Chevy cylinder head identification numbers. Camaro, Corvette even Stovebolts can be found here.

Chevy cylinder head identification numbers. RECTANGULAR PORT - Valve size 2.

• Chevy cylinder head identification numbers Street use only. It's a unique identifier that tells you the engine's make, model, and year. Chevrolet. 6" valves installed, bowls ported to proper sizing with larger valves, exhaust runners ported smooth so they could be polished, no intake runner work, no chamber work other than blending out from the valve job around . This little gem of an engine has seen displacement from 262 to 400 cubic inches in its 50 plus years of existence. 305 heads are common at junkyards and machine shops, finding a set in good shape cheap should be rather easy. Our images cover Chevrolet small blocks since 1955. Is the same as an earlier (1953-1955) head except for the method of attaching the temperature sender and the older ones having a 7. Big block heads started with numbers only in April of 1984, but changed to alpha-numeric starting with BB 1 in August of 1984. 50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 series mufflers In my book "Catalog of Chevy V8 engine casting numbers 1955 to 1993" the head part # 3795896 was used on 327 62-64 Corvette 250 HP, 62-65 passenger car,62-67 truck, 283 63-67 truck,63-67 passenger car. Powered by Ethanol Those looking to increase the valves in 348 heads can’t go that big due to the design of the heads and castings. There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. Although Chevy went to 3 character suffix codes in the 1970 model year. Cylinder heads must be unaltered approved OEM and minimum 76 cc combustion chamber. 3824435 . 68 Camaro 555 tall deck liberty 5-speed tranny 3. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Open to all models including Belair, 210, 150, Sedans, and Nomads. The 416 casting 305 heads w/ 1. Save Share Reply For most Chevy inline-six engines, the casting numbers are located on the passenger side of the engine, near the distributor or on the bell housing flange. does anyone have any info on gm heads casting number 14102183 im really looking for the chamber size «ÿÿ¨ªªªþï P‡»¤uU¸{§©ºªÚî ù2"·èŽÈŒÎˆÊZâ'øW7 7Ór5U+U5÷ðŒŒ†9Üÿé ü ¿ŒßoRñ N ‰µI:Ó£Í-(‰D"#‘H é k‘‘‘-G®\ù¼ì™}ÿ[ý k• g;•" "žYû?æ§ g/ß~¾¼ÿãö ôaÐç?½8ëà AKÓÕ šèü§³ e{þ àlÀ ¡é¥ó êh [RF° p6` `ä€u´Wx ­ 4Ö 4¡Ž ª }Ýâ^5H ª } ʨ ¤&¾‘ k nø[µ2;p¨ëht¨­l#è nëhyiM@ –ï­ ~ye º{Õõ Casting number 12367713. 84-1. The remaining engines/cars were produced with an identical cast iron cylinder head. Skip Content. Closed-chamber cylinder heads have small combustion Chevy's first true performance heads for the Mouse motor were available in the '60s with the small-chamber 64cc heads and 2. The 487 heads will flow as well as any factory double hump head. 1967 C heads had this number; 68-9's did not. Use these casting numbers to identify the heads you have. He says they are off a 78 pontiac catalina. I currently own a 1987 Chevy Z-28 with the 305 motor and it has 134,000K on it and it's time to do some freshening on the motor, heads look like a black swamp! 89-93 HEAD ID # 14102191, 10110810 Notes: TBI, 1 piece rear main seal, roller lifters, center bolt valve covers which I know are crapola. Jump to Latest 1970 LS-5 cylinder heads were unique to that year. Knowing what you're looking at could save you from wasting a lot of money. It is intended for off-highway applications only. 5 rockers ?? Anyone has a stock 327/210 3876775 casting numbers head flow and intake runner size numbers? Small Block Chevy Cylinder Head Indentification . The most famous heads are the 461 and 462 heads that offer 160-cc intake 330545: 1971 / 75: 350: 245, 250 hp: 1. 194. " Standard S/R heads have the casting mark "S/R' above the casting number, while S/R Torquer heads have "305" above the casting number. ; How to Read and Decode Chevrolet Engine Casting Numbers. Chevy casting numbers for blocks and heads for W family 348-409 V8 engines. Casting. With small-block Chevy cylinder heads, it's hard to tell the snoozers from the cruisers. Four bolt main blocks are desirable in high All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. Flat top or dish pistons only, no gas ported pistons. " copy and past from another forum ;-) The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. the engine is a 350 Steel crank, 4 bolt main, 9. Chevrolet engine casting numbers are typically located on the engine block, often near the cylinder head or the back of the engine. 54 gears. 72/1. 427 . old1946truck, Oct 5, 2015. Introduction Small block Chevy engines have been around since the mid-1950s, and while they are beloved for their performance, they Chevy V8 Head Casting Number Locations. 55 cast iron Vortec head, Gen. So, if your C head has a stamped ID like V2023456G in figures about ¼" tall, that'd be from a 1967 400-4V, possibly a W-30. Just lowend torque heads for a work truck. 19 intake, 1. Both are found under the valve cover be it a small block V8 (283/307/327/350) Chevrolet Small Block Heads Casting Numbers, Information and Specification. which is great for the enthusiast that isn’t encumbered with casting numbers and originality. Chevy SS / Holden Commodore; Corvette (C5) Z06; Corvette (C6) Z06; Corvette (C6) ZR1; Corvette (C7) Z06; Corvette (C7) ZR1; Trailblazer SS; Dodge. Pay attention to the casting numbers to pinpoint the crucial information. They might be stamped or cast into the metal, often on the top or side of the head. pdf; Email Sign Up Small Block Chevy Cylinder Head Identification Small Block Chevy Cylinder Head Identification : Chevy Cylinder Head Casting Numbers : Years: Casting# CID: Intake Exhaust: CC : Comments : 1971-75: 330545 307,350 1. Looking for Chevy casting numbers ? This is a very complete list of numbers to help identify your Chevy engine block, heads and crankshaft. 06/1. For cheap performance 993,441,487 are all good mild performance large chamber heads. A "two-bolt" main, or a four-bolt main. 02: 1. 364 posts · Joined 2014 Add to quote Chevy Forums FREE technical assistance for your restoration and repair. "Main Caps" is the number of bolts holding the cap. Greg Turner Discussion starter. These numbers reveal the year of production and specific design features. Then paint and mostly fool the great unwashed! Cast iron heads, a little more involved, but bosses can be added, just not looking forward to doing 4 per head, like Vortecs would require. kalamykid. 94 Heads, i am hoping to make 350-375HP with them. For more information about the 348/409 W-motor cylinder heads, select a head casting number from the drop down Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. . There is a 3986336X head listed so if the second digit is being read as an 8 vice 9 and you/seller is ovelooking the X, then it is a 350 head with 76 cc combustion chamber. Join our Forums! Join our Forums! Chevy "W" Motor 348-409 V-8 Casting Numbers SBC Cylinder Heads Holley Carb Information Holley Tuning Tips Chevy engines and parts on eBay Other links Got a question? Ask in our Car Mechanic Forums! Re: rect port head casting number 3964291 For the most part. 50 head. You could have your favorite machine shop, (hopefully I don't have any Old School Knowledge, but I have a copy of Colvin's Chevrolet by the Numbers 65-69. oem rectangular heads belong on nothing under 500 cubes or a high winding 7 grand application and then with a dual pattern cam that favors that poor exhaust flow. So in theory a 1968 L30 327/275hp or L48 350/295hp engine should have 291 heads if assembled at Flint or 040 heads if assembled at Tonawanda. View Big Block Cylinder Head Codes Select BB Cylinder Head Group ALL Head Codes 348/409 366 396/402 427 454 502 The correct casting number is 376450. More tech info. guy told me the heads had been fixed to hold up to a 550 lift and self BBC Heads HELP - Casting# 3993820. chambers. SB2. the edelbrock is part number#7516 which is what summit sellls thats made for the vortec the heads had center bolt valve covers also atwhich all of your vortec from what I was told had them also. However I do not recall them being mentioned by F-BIRD'88 or anyone else who know the 305 heads well. CHEVY CASTING NUMBERS. 736 bore. Don't bother spending any money on them. 02" Intake/1. 60 valves, and were used in 71 and 72. The head started with a 8. Around May of 1967, a boss was added for a temperature sending unit and the casting number changed to 3917215. Chamber Volume (CC) COMMENTS: 3788415: 1962-67: 194: 72. i agree that $1300 might be a bit high. Jump to Latest 1956, and 1957 Chevy owners and enthusiasts. The most common heads sought by engine builders are ones identified variously as the "Camel Back," "Double Hump" or "Humper" heads used on a range of passenger cars and performance vehicles. Small-Block Chevy Gen-I Cylinder Heads. ; Block Casting Date: This date code reveals when the engine block was cast, helping to confirm if the engine is period-correct for the vehicle. this is cut and pasted from Mortec which is a good website for chevy casting numbers. Related Attachments (2) sbc_casting_blocks. 32 CC . I Bowtie, 175/65cc ports, small port head Big-Block Chevy Cylinder Head Casting Numbers 330864: ’68 through ’84 oval port, open chamber, 2. This casting number cylinder head was equipped with 1. The numbers I read off the heads were the following: 8998998 R133 Searching for the 8998998 casting number I finally got around to getting my "spare" set of big block heads out of hiding. Feel free to contact us or call toll-free at (800) 572-1963. I actually went through several lists and made some corrections before making this list. 94 / 1. Head Casting # 376450. 50 valve head. 569 posts · Joined 2009 Add to quote Wait a minute that is a block casting number C3 Tech/Performance - Cylinder Head #83417369 - Hecho en Mexico? - My 80 came with a remanufactured 69 Vette motor and I finally got curious about the heads. Some time ago Chevy High Performance magazine did a Mr Goodwrench 350 build up from stone stock to screaming wild in #462624 is a late '70-mid 80's 350 head, small valves, large cc. 94 : 1. 23 @ 196+ @ 3800# Best time to date-11/2019 7. Also refer to the following website for Location: Typically, you’ll find these casting numbers on the cylinder head itself. 1973 and 1974 LS-4 engines used cylinder heads specific to each year which were different for each year. See less See more 2 Save What's the casting number on the block and the suffix code stamped on the front pad? Ed . The heads came with my Five Star 383/360 HP crate engine. you need to check the angle of the center intake bolts as this casting makes 2 part numbers one with the center bolts at 90 degrees to the mating surface for 1986 and earlier intakes it is P/N 10159552; the other is PN/10125377 for 1987 and newer intakes with the 72 degree Small Block Chevy LS Cylinder Heads by Casting Number 10215339 – LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . 348-409 Chevrolet Cylinder Heads. The 624 heads are among the worst of the worst. 454 build. Years: Casting# CID: Intake Exhaust: CC : Comments : 1971-75: 330545 307,350 1. Compression ratio checked using Whistler and cubic inches checked using pump, OR by visual inspection, such as part numbers, casting numbers and flat top or dish pistons (track option which method is used). 0. For example, your head manufactured date number is 249-space-14-space-1. As already referred to, they are highly prone to cracking in critical places, and do not take kindly to port work as a result; their combustion chambers are a cavernous 76cc, and leave you with a compression ratio way short of anything resembling performance; and their The casting number is a series of alphanumeric characters that are usually located on the engine block or cylinder head. 43 posts · Joined 2003 Add to quote; Only show this user #1 · Apr 28, 2004. ; Cylinder Head: Some engine identification numbers may also be found on the cylinder heads, although this is less common. it seems like i see the 990's go in the 700-800 range with a fresh reconditioning with new parts and the 291-292 around 900-1000 just my own recent experience. This engine used oval port cast iron heads, casting numbers 3904390 and 3909802. 80 CC. 2019 Drag-Week Winner - N. 50 valves from 1969-1970 on any Sept. This is for One, (1 head), Bare, Used Chevrolet SBC, (Small Block Chevy), Used Cylinder Head in Good Condition, (GM Casting Number 3973487 GM Group Number 0. Have new rebuilt job with 1. 348/409 All of our casting codes are now in searchable databases. pdf; sbc_casting_heads. - GM 291 Camel Hump Heads, 2. Thread group anyone with a 1970 Z28 or LT-1 Corvette who are not so date specific but who are at least looking for the right casting numbers and details (screw in studs and guide plates which can be easily added) will be interested. intake valve exhaust valve; 032: 70cc: 1. Thanks, Bill I have a guy trying to sell me these heads 482824 rebuilt but i cant find the casting number on mortec website. Can somebody explain if these heads will work well as opposed to some of the other well known casting numbers or the Dart and World (fairly low end price) from Summit/Jegs. Chevy smallblock and big block cylinder heads have the CASTING NUMBER and the CASTING DATE located in the rocker arm valley. Cylinder Head Casting Numbers. 5001 74 Big Block Head ID/Codes, Casting Numbers. 00 lbs. 02/1. almano Discussion starter. Chevy Forums FREE technical assistance for your restoration and repair. My engine came out of a wagon, 2bbl powerglide with 1554 heads. The creators of "Engine Math For The Rest Of Us" software provide a great deal of information on their site, including Chevy bore and stroke, casting numbers and their This is for a Pair, (2 heads), of Bare, (Not Exactly Like the Complete File Photo Examples Sold Previously), for a Mid Year 1966 or Early 67 1967 Used Chevrolet SBC, (Small Block Chevy), Double Hump, (Sometimes called "Fuelly", "Fuelie" Heads), Used Cylinder Heads in Good Condition, (GM Casting Number 3890462, GM Group Number 0. The numbers come as follow: 3884520 GM 4 casting number cylinder head 3836848 block 3769716 date codes cylinder head G72 block G72 Vin next to the distributor F07107 If I'm right this engine was built July 7, 1962? I'm just trying to figure out if its a car or a truck engine? Last edited: Oct 5, 2015. 500" lift than those 113 heads. I am well familiar with Mortec. 50: 034: 64cc: 2. so the small valve myth of no power is just that a myth. 02-1. Block Casting Number: Found on the engine block, this number indicates the engine’s displacement, production date, and casting plant. Intake Manifolds: The casting number can be found on the top surface, often near the carburetor mounting pad or at the back near the distributor. 3 OHV Cylinder Head Iron Cast #113 Bolt Down Clearwater Cylinder Heads is happy to assist you with your cylinder head casting number identification and set you up with one of our amazing replacements. The 305 uses heads that have a 58cc and smaller chamber due to the 305`s small 3. Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. ( 1548 ). But, what about that person who has a set of heads sitting on the Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. They can be had for a reasonable price. Block Casting Number. If you notice any mistak Head casting numbers and the head casting date are located under the valve Cylinder head ID is very important when hitting the swap meet. These numbers will tell you the engine’s displacement, The head casting number was 3973487X. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. If it's an A, B, or C head, look for the engine unit number/ID code as detailed in the Blocks section under Big Block Unit Numbers. P. However, the X caught my eye. The Bad News; these heads are crack prone!:roll: I installed a good flowing race-flow valve with an undercut stem to help the flow numbers, and minimized the ammount of cc gain because I did not have to plunge cut them as much. I hope it helps you identify the Chevrolet engine parts you are working on. For 1971-72 LS-5 engines, although different castings were used for each year, the cylinder heads were, essentially, the same. 1971 Heavy Chevy - original owner 1984 Riviera - original owner - Wife's car . The heads will need 2. They are off a Chevy truck with a sbc (not exactly sure on size, haven't got casting numbers), I believe it is a 350. This is probably the best cylinder head casting that Chevrolet has ever produced for a production small block Chevy. Some cast iron heads have the casting number on the underside of an intake runner. Legal Streeter - 1956 Chevy Bel-Air 7. 5: 330862: 1971 / 73: 400: 1. This guide will help you decode casting numbers and other important markings. 5001 74 Last updated: 12/12/1997 AuthorMadMike Maciolek Email: [email protected] Re: Chevy 350 TBI Cylinder Head Casting Number? Post by blue88 » Tue Jan 18, 2011 7:31 pm Any idea if it is worth it to replace the stock "193" TBI heads with say a set of 487/993 heads from the early 70's without any other mods except opening the center intake holes to align with the old heads? There not the best heads for sure, but depending upon your budget, you can actually get some surprising results. Buick; Chevrolet. 60. I really like the small chamber heads. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences Chevy 235 engine identification numbers help determine the engine's year, origin, and application. A 1974 truck engine would have a 3 letter suffix code, starting with T. 50 valves : B : Late-model lightweight Last revision: 12/2/1998 - Reformatting head CC info Author: MadMike Maciolek Big Block Chevy Cylinder Heads Open vs. I only put the numbers here that I can prove, so this is a short list. I am looking for intake/exhaust runner sizes and flow. CID. Just tig a boss on where the 2 bolts go, and massage the shape until it looks good. 72-inch exhaust valves. Product Key Features. There will usually be a date code on the opposite side of the cylinder head face. but with the LS engines you really need to look closer to find what exactly you have in front Small-Block Chevy Cylinder Head Identification. Are these heads worth buying. These are heads for the crappy 262, 267 engines; some also found their way onto 305s. 02-inch intake and 1. Identifying Cylinder Heads: Casting numbers like 10051101, 10128374, and 12551561 are critical to identifying the lineage and characteristics of small block Chevy heads. If you want to learn about dart head identification, please read my article to get helpful information about dart heads with my comprehensive guide! The date code is often shown opposite the big chief cylinder head selection and consists of three digits followed by two pairs of These small-block Chevy heads fit engines ranging from 305 SBC Head Casting Numbers. 241 castings (the casting number is found near the corner of the head New GM Chevy S10 Astro 4. Any help is greatly appreciated! The 67 base cylinder head carried the casting number 3890462. 72 1. Funny my 360 heads are peanut port heads, they don't make much power LOL. 1954-1955 235 The casting number is probably the most significant feature on a cylinder head as it's the hardest to alter. However, these are the original (date verified) heads from my '75 L82 -AND- the GM "specs and restoration guide" for 1975 Corvette clearly states that the L48 and L82 used the same head, BUT were configured with different valve sizes, etc (pg: Principal Components 6-CYLINDER CASTING NUMBERS; CYLINDER HEAD AND BLOCK CASTING NUMBERS; 1937 - 1962 Chevrolet 6-CYLINDER; 1929 - 1952 Chevrolet Menu item; Menu item; 1935 - 1941 Chevrolet Paint Charts; Menu item; Gallery; CHEVROLET 6-CYLINDER 216, 235 AND 261 CYLINDER BLOCK CASTING NUMBERS 1937 to 1962. Small Block Chevy Cylinder Head Identification Small Block Chevy Cylinder Head Apr 22, 1996 I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. 19-inch intake and 1. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2. 46" Dual Springs at 160/420+ spring pressure with steel To identify a Chevy 396 engine, check the casting number, suffix code, block date, and partial VIN. Typically, these numbers are stamped on the top of the cylinder head, close to the valve cover Casting number 336781 reveals a 1973–1984 oval-port open-chamber 454 iron cylinder head with standard 2. SHARE POST #1. A 1974 car engine would also have a 3 letter It is common practice when talking about cylinder head casting numbers to only use the last 3 digits of the casting number. So it may have been 300 HP (base) or My references do not list this head for a small block Chevy. The casting date is usually found near the casting number. It was used from 1960 through July of 1963. Yes. This code is comprised of most typically three digits followed by two paired digits and a spaced number. Buick/Chevy, 10′ race head, symmetrical ports, 235cc intake ports: 25534351C: 69-70: 2: 1. For high-performance use, these heads are routinely fitted with 2. The Big-block Chevy Merlin head casting number is "I-043," followed by a "B," "C" or "D I see these heads listed variously as '87-'91 305 "swirl port" heads and also as '87-'91 305 "HO" heads. 3927763: 1965-70: 230: 3895052 . It actually worked out very well, and the heads make more power than I expected. casting #s on a 235 cylinder head (Topic#69696) 52_chev_261 Senior Member All 1953-62 235 heads had the 3836848 casting number. 6 valves 333881 350, 74-75, 76cc, 2. 3917291 and 3927186 are the Saginaw (Flint assembly) casting plant's heads. Does anyone know anything about these heads? the casting number could be wrong, I'll double check tommrow. We have real matching YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. As with our casting numbers on W engine blocks, Chevrolet’s head information is often sketchy at best. Used on 396ci, 402ci, 366ci truck, 427ci truck, and 454ci truck. They may also be Big Block Chevy Engine Parts casting numbers and Identification : Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC Cams | BBC Cylinder Head Casting Numbers RECTANGULAR PORT Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine. My small 1. This book Well, there's good news and a little bad news about these heads! The Good News; Chevy used these heads from 1976 to 1987 on 350 cid engines. The numbering system only identifies the casting model and the year the head C3 Corvette Casting Numbers for Blocks, Heads, Intakes and Exhaust Manifolds. HP/RPO/Comments. 5" valves, 170cc intake runner volume, 64cc chambers, comes with springs, retainers and valves, has bracket/accessory holes, use with Vortec style intake manifolds (PN You need more numbers to tell what your engine was from the factory. Basically, all of them. crankshaftcoalition. The L31 heads from the late-model 350 Vortec engine, introduced early in 1995, is the other type of cylinder head you need to look for on the used market. Vortec head casting numbers are also in the rocker arm valley but usually cast width-wise instead of length-wise. php?title=SBC_cylinder_head_identification&oldid=3479139" The oval port casting numbers of interest are 336781, 353049, 3992241, and 3993820, which were originally installed on '71-'74 402 and 454 engines. They are off of a 1997 suburban with 135k miles on it. Engine Repair Shop. Save Share Reply Quote Like. The Network. 348/409 Block Casting Numbers; 348/409 Cylinder Head Casting Numbers; Chevrolet Head Casting Number Reference Small Blocks 330545 350, 73, Corvette, 76cc, 2. 5-inch exhaust valves. Engine ID Pad: This pad is usually found on the front passenger side of the engine block, below the cylinder head. 50" Exhaust, or 2. Y. 88 exhaust This page has information on the 348 and 409 Chevrolet W-motor cylinder heads. regards Arne 6272176 1968-76 366 Chevy, GMC, tall truck 6272177 1972 402 210 6272181 1973-76 427 tall truck 1401544 1975-87 454 truck Big Block Chevy Cylinder Heads Open vs. 12480005 Casting Number 873 Head: 1999-2000 LQ4 6. 00 @ 204+ @ 3800# unless you're building some numbers matching deal those heads are outclassed by many of the more modern heads. Key: Cast Marks: Cast Nos. Introducing the Phase I Bowtie small-block Chevy cylinder head in 1981 for racing applications, Chevrolet Performance subsequently released variations such as Phase II and Phase VI, as well as the NASCAR approved SB2. The 369 heads best place is the scrap pile. I was looking at replacement heads before I even took the valve cover off. For over 50 years BRODIX has been the only cylinder head company to perform each stage of the manufacturing process under one roof. ; Head Casting Numbers: These numbers are specific to the cylinder heads and Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. 88-inch exhaust I just bought a RPM air gap intake for what I was told where vortec heads!!! casting number 14102193. 06- and 1. For the 1975 model cars (Vettes included) with SBs, Chevy started cutting corners with the head castings. and 350-300HP (maybe others?) with 1. For a comprehensive guide on this entire subject, you can visit this link: The easiest way to reference any production head is with the last three digits of its casting number. Such as TAA. These numbers are found after removing the valve cover on the head. 50 to 1 compression ratio. 02 ,1. The ‘X’ on the cylinder head is a 1/4”-hiigh letter an is cast on the underside of all’461 cylinder heads towards the lifter gallery. Any intake manifold (LS1, LS6, LS2) will work with these heads as well as Vortec intakes from cathedral port headed variants. 02 valve sizes depending on application. 5:1 compression ratio with these heads, comp cams . It was only available as a 1. Four bolt main blocks are desirable in high performance applications We've tried to boil down the GM part numbers, casting numbers and other LS cylinder head information into an easily usable (and ideally definitive) cross reference. com/wiki/index. com. This number tells you the head was manufactured on the 249th day of the year. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. Retrieved from "https://www. Chevrolet Big Block Cylinder Head Casting Numbers. But the casting numbers on the block Hey guys, I told you before that I found out that my 67' Biscayne appears to have a 307 in it (block casting number- 3970020). 5001 - 1971-76: 333881 : 350 Find many great new & used options and get the best deals for 235 261 Chevy Rebuilt Cylinder Head Casting # 3836848 at the best online prices at eBay! Free shipping for many products! Manufacturer Part Number. 94 intake valve seat and 1. They were fitted with either 1. The only real problem with them is that they have poor combustion and burn characteristics compared to the earlier closed chamber style heads. 1967. Corvette Year Engine Type Block Cylinder Head Intake Exhaust Manifold (LH) Exhaust Manifold (RH) wdt_ID Corvette Year Engine The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 050" to . Pass them up if you are looking for 56 265 casting numbers. Model specific subject matter experts, classified ads and more. Chamber. Cores must be returned within 30 days. It's possible that you/or seller is misreading the casting number. The casting number is 3917215, and the date codes are F4-8 (June 4, 1968) and K30-7 (November 30, 1967). Tom Terrific or Terrible Tom, depending on the phase of the moon Chevy Small Block Head Casting Numbers . 06-inch intake and 1. Common Chevy Head Casting Symbols. There is also a stamped number on a pad at the front of the passenger side head just behind the alternator. 50 exhaust valve seat and have been hot tanked, shot blasted, tumbled, cleaned, inspected and magnafluxed. it is classified as a high swirl head that was intended for good bottom end torque and fuel economy. You can Small Block Chevy Casting Numbers. 84 intakes are better heads for performance and can be had for dirt. I wasn't too impressed to see the GM casting along with the Hecho en Mexico Are these Vin Plate: The Vehicle Identification Number (VIN) can also provide clues about the engine. 72-inch valves. Here's a breakdown of some of the most common GM truck motor casting numbers and their corresponding year, make, and model information: The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 60 Big Block Chevy Cylinder Head Identification. The casting number is usually found in between two valves and the rocker arm studs underneath the valve cover. 94-1. 3904392. Description: A : Rectangle 460 ‘55 & up 265/283 low comp (8:1) 1. 94-inch intake valves and 1. Save Share Reply Im rebuilding a 57 283 and the block number looks right for a one year only 1957 Chevy 283. 1970 3927186 cylinder heads. 00 to 1 compression ratio in 1956, raised to 8. In the tables below. I shift at 7000 rpm with my 1. CASTING NUMBER: CID. Bobby Kimbrough brings the part numbers you'll need to know. I want to know if these are good heads. including cylinder head casting codes, VIN codes, displacement, and more in They are simply the Tonawanda casting plant's version of the same head. My 1970 SS454 LS6 SuperCar Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Chevy V8 Notes SBC Crate Motors BBC Crate Motors SBC Cylinder Heads Holley Carb Chevy cylinder head Identification - Small block casting numbers . This one appears to be in good shape, but it likely needs crack checking, pressure testing, new seats and guides, and surfacing. Two types of crankshafts are offered, cast nodular iron and forged steel. Closed-chamber cylinder heads have small combustion chamber volumes for high compression ratios, with even mildly domed accueil engine code. With those numbers we can get you closer to what you have. They were also used in a wide range of years so they could have the later model intake bolt pattern used with the TBI truck engines. Media added by Greg's 56 Nomad. 12558060 - Vortec "L31" '96 350 complete cylinder head, cast iron, 1. The VIN is typically located on the dashboard, near the windshield, or on the driver’s side door frame. They are thin castings and prone to cracking. 72- inch valves. There is a casting number on the top of the block behind the driver's side head. The cylinder head casting number is the single most important identifying feature on a head because, just like the block casting number, it will probably be the last characteristic to be altered or changed. Most heads have 1. All cylinder heads are supplied with a return ARS core tag. Timing Cover: In some models, the timing cover Chevy 350 engine block identification numbers, including the casting number and date code, are vital for verifying specifications and parts compatibility. 625 valves: 3030817: 74: 400 : 2-bolt: 3238882: 68-69: 350 : 3297185: 57-67: Whether you are an engine builder, drag racer, circle track racer, boat racer, road racer or a hobbyist doing a classic Chevrolet restoration, Mortec has information you can use, starting with our ever-popular Chevy casting number lists for small-block (SBC), big-block (BBC), and 348-409 V-8 engine blocks, cranks and heads. 269). Related Products: Cylinder Heads, Engine Assemblies. 5001 : 74 : 1971-73: 330862 : 400 : 1. 7 vortec heads casting number 12558062. The casting was all the same but they were drilled and machiened Camaro, Corvette even Stovebolts can be found here. 94" Intake/1. We love Muscle Cars. Thanks! Email Report Impala_ss Block & Cylinder Head Casting Numbers | Where To Find & How To | Chevrolet Small-BlockThis video should not be considered a ‘how to’ instructional video. eBay Product ID (ePID) 671499987. 02"/1. Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Chevy V8 Notes SBC Crate Motors BBC Crate Motors SBC Cylinder Heads Holley Carb Learn how to identify Chevy cylinder heads on your early cast iron, late model aluminum, or aftermarket and Vortec Chevy Small Block (SBC) with our Chevy cylinder head identification guide. I found the casting number at Mortec, which said the heads could have either 1. RECTANGULAR PORT - Valve size 2. Cylinder Heads & Parts for Chevy. But here is what is widely accepted The Chevy V8 interchange manual also does not talk about the larger valves. Thank you! I was about to add a picture of the cylinder head casting number, which is 3872708, also indicating a 230. Closed. There are similar casting numbers that are off a 267 or 305. Views: Please see the attached charts to help figure out exactly what you have. The small block Chevy has been the predominant engine swap candidate from about a week after the first engine block casting cooled in the mid-1950s. casting # chamber vol. Finding Swap Meet Gold By RANDY BOLIG FEBRUARY 20, 2019 Big-Block Chevy Cylinder Head Casting Numbers 330864: ’68 through ’84 oval port, open chamber, 2. 1/1. 72 : 1. That casting number was introduced in 66 on the later portion of Vettes and carries over into 67 on both base and L79 engines. 230 This Tech Tip is from the full book: HIGH-PERFORMANCE CHEVY SMALL-BLOCK CYLINDER HEADS. 060", heads step cut for 1. It used to be you could simply look up a block casting number and identify an engine back in the days of the original Small Block Chevy. "this cylinder head is not a performance oriented cylinder head. It's a good head it re-worked right. on a machined pad just in front of the 1965 Chevy Biscayne 460cid, 10:1cr, Brodix RRO 270, "Old School" 229/241, AED 950 HO, Air Gap, 1-7/8 headers, 3" true dual exhaust That head is like the old 820 '69 265hp 396 head with a different casting number. 2 series. The Phase 2 cast iron Bow Tie head can be identified by its redesigned outer water jacket wall with a machined bar between the exhaust GM head casting numbers? 14102183?? Jump to Latest 41K views 2 replies 3 participants last post by DoubleVision Apr 28, 2004. CC. Joined: Sep 23, 2004 SBC cylinder head identification . B: is the Block casting number H: is the Head casting number Serial/Sequence numbers = engine serial/sequence the 348 and 409 block casting codes, head casting numbers, exhaust manifold casting numbers, and intake manifold casting numbers. IMHO,You might be able to get $200-300 if they are really clean,especially if someone needs that particular casting number. While there’s a wide variety of casting symbols, here are some common codes: Casting Number: Usually a 4 to 7-digit number that can C3 Tech/Performance - GM 4586642 cylinder head info needed - I am seeking technical information for GM iron cylinder heads, casting number 458642. The famous double-hump If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. Colvin says the 461 head was used on 65 and 66 327 engines with either 1. Never ran the 113 though. Date Code location 1 Or Date Code location 2 CFD marking location. 2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. 3836848. 12497186 - "Fast Burn" bare head, same as above, but no springs or valves. Small valves, small ports early thin wall, crack prone castings, they don't like porting nor larger valves (they crack between the intake and exhaust seats and from the exhaust seat into the wall. I found tonight that I appear to have some powerpack 283 heads on it as well lol. 6 valves 333882 350-400, 74-80, 76cc, 160/60cc ports World Products Cast Iron Heads ( by part numbers ) 4351 67cc, 162cc intake port 4350 76cc, 162cc intake port 4205 58cc, 162cc intake port, 305 torquer accueil engine code. 50 or 2. but mine are ported. 0 Liter Truck Material: ***Cast Iron*** Part Number: Big-Block Chevy Cylinder Head ID. 60" Exhaust Valves, all these heads had 76cc combustion chambers. 6 valves , screwin studs and guideplates ,bigger spring pockets,downcut guides ,it would be smart to open up the pushrod holes, and THEN THE 30HRS OF PORT AND BOWL WORK!! Those heads were used with the target crate engines, and are one of the better (heavy weight) heads chevy made in the 75-76 cc range. The casting number is 14014418. You can search for specific specs or numbers or even view all. Core checks will be mailed within 14 days after receipt of complete core. The FIRST thing that was done When working on small block Chevy engines, understanding the cylinder head markings can be crucial for both performance upgrades and restorations. 94/1. The Chevrolet Small Block was introduced in 1955. 480/. My engine builders software also says they are 305 heads and can be either 55 or 65cc. 94"/1. Years. The 848 head came on the 1956-1962 engine. C3 Tech/Performance - 1972 SBC Cylinder Head Identification - Took the valve covers off last night to get an idea of what I'm working with while I start putting together the plan for rebuilding my stock 350. Performance Part. 25 in 1957. Even with a But w/ 70cc chambers they ain't gonna be good on a 283 either. These codes reveal the engine's specs, production date, and original vehicle. Small Block Casting numbers. Chevy Small Block Head Casting Numbers Jump to Latest 77K views 6 replies 7 participants last post by Big Bob Mar 13, 2018 I have these 14014416 casting number heads and was wondering what facts you guys could give me about them (I know they are 305 heads), and I would also like to know how well they would work out on a 350. Thi Dang you're quick. The success of these heads cause every Chevy cylinder head with the double hump casting identifier to be referred to as fuelie heads for an entire generation of hot rodders. The serial number near the distributor and casting numbers on the block provide key details for restoration or repair. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 Customer: I have small block chevy heads with the numbers(###) ###-#### what valves or heads are they? Mechanic's Assistant: Could some chevy cylinder heads-casting #10110810 thats 91 and up, fit on a chevy small block 350 casting #3970010 thats. CHEVY SMALL BLOCK V-8 Cylinder Head Casting Numbers. 480 lift with 230/230 Duration at 0. 3864883 . Are these heads any good. Move cursor over these links to see their location. 5: 333881: 1971 / 76: 350: 165, 270 hp: 333882: 1970 / 77: 350 / 400: CFM Inlet 137. It is usually found on the top of the head in between two valves and the rocker arm studs. Closed Chamber - A good way to describe big-block heads is to categorize them as open or closed chamber. Home; GM. 50 601 heads flow about 20 cfm on intake and exhaust side more at . It contains a combination of letters and numbers, which reveal important If I get CRAZY and get aluminum heads, no problem. These castings were originally equipped with 2. These numbers are usually found on the side of the block or cylinder head and can be used to identify specific components 1929-1954 Model Serial Indentification from Keeith Hardy's OLD ONLINE CHEVY MANUALS. 60-inch exhaust valves, often called "fuelie" heads The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 94 and 2. punk1c5040 Discussion starter. 72: 1. The 65cc combustion chamber was a different design than the Casting Numbers: 14101083 14102183 14102193 Part Number: H4845: Weight: 50. 88 exhaust. Today, I saw an ad for 5. ^^^ Did you According to World Products, the Sportsman model casting number is "I-037" and S/R model casting number is "I-052. the intake runner is restrictive beccause it has a ramp cast into the bottom of the bowl to promote high swirl. Number Year Engine Valves Details; Buick/Chevy aluminum 10' head, 42cc chambers, symmetrical ports, 235cc intake port volumes, 2. This is Chevrolet's best cast iron cylinder head for I have a set of Chevy heads with a casting number of 333882, with 1. upha saly ftqwzx ozoajlh bnvixq ykms qgnaod yzaf wclimo hjybi