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Small block chevrolet identification numbers of Technology

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from Saco, Maine. The block number - in this case 3970010 - is not the same as the block alloy casting codes (010, 020) that show alloy content and are cast inside the timing cover area on the front of the block. Jmountainjr, Oct 7, 2010. SHARE POST #19.Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.Small Block Chevy LS Cylinder Heads by Casting Number 10215339 - LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . 12480005 - LS Small Block V8 2000 LS1, GTZ, aluminum, 38cc chambers, 2.125/1.625 valves, angle plugs . 12556743 - LS Small Block V8 1999 325, 5.3L, aluminum, truck, van . 12558806Chevrolet Engine Block Casting Numbers. April 12, 2014 Roadkill Customs Technical Info. All engines are stamped with an engine ID code, consisting of assembly plant code, production date, and suffix code. ... MarsFab Offroad and Fabrication builds a set of custom zoomie headers for a classic Ford pickup with a 700 HP blown small block Chevy ...the vortec heads will have casting numbers that end in 906 or 062. and not every small valve small block head is junk- the 305 HO heads that end with the numbers 416 flow pretty well for stock heads and the small chambers will bump a 350 with dish pistons up to a respectable compression ratio in the 9.5:1 to 10:1 range, which is doable on pump gas as long as the cam doesn't build too much ...Partial VIN: 1C1250244 --> Chevrolet - 1982 - Wentzville or Oshawa #2 Block #: V0612CNH --> Flint - June 12th - 350 w/Police LM1 for B/Bel Air/Kingswood (This is the weird one Bel Air stopped manufacture in 1980/81, Kingswood not here in North America) Along with the other reference numbers, I also found this thread where I got the Plants post ...Step 1. Remove the camshaft from the engine if necessary. This is an involved process, requiring the removal of the engine's front end. The radiator, hoses, timing assembly, belts and fan will need to be removed to access the camshaft. This is a job for professionals and the mechanically-inclined.The significance of head casting numbers on Chevrolet 350 engines can’t be overstated for enthusiasts and mechanics alike. These numbers, found stamped on the heads of Chevy small-block engines, serve as a detailed fingerprint, allowing us to identify the capabilities, design changes, and applications of any particular head.Farm Boy Discussion starter. 1862 posts · Joined 2005. #1 · Oct 20, 2006. I recently purchased a 1967 3892657 block. The stamping is V1210MV which is from an SS350 67 Camaro. I already knew the Camaro SS350 was the only large journal (2.45") small block with a cannister oil filter and the crankcase ventilation hole in the back by the ...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 Small Block Engine Casting Codes. The Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. Choose Group to View Engine Block Codes.Chevy Engine. Most people define Chevrolet Bellhousings by the Clutch size (i.e. 10.5",11", or 12"). Flywheel Diameter (12.75" or 14") or number of teeth is more accurate because some 168 tooth flywheels are drilled with multiple bolt patterns, and the aftermarket makes a 153 tooth flywheel that a 11" clutch and pressure plate will fit ...Large precast concrete blocks are revolutionizing the construction industry with their versatility and wide range of applications. These blocks, which are made off-site and then tr...The Multiple Listing Service, or MLS, is a real estate database that contains information about properties offered for sale. A MLS number is a unique six-digit identification numbe...Today Cousin Mike @landoncustomclassics dropped off a Mystery Small Block Chevy that he's had for a while. We don't know a lot about it, but one things for s...The block casting number confirms this is a 1957 engine (548 casting) One of the rarest engines on the planet. Engine code EN = 1957 Corvette, 283 283hp, Fuel Injected, Cold Air Induction (Air Box car). This one puzzled the Corvette guys for a little while until someone recalled that Chevrolet did NOT use leading zeros for the month on …BBC Crate Motors. SBC Cylinder Heads. Holley Carb Information. Holley Tuning Tips. Chevy engines and parts on eBay. Other links. Got a question? Ask in our Car …The are several numbers stamped or cast on a block that identify the capacity of the motor and the vehicle it was installed in. (see more information on Chevy Small Block V8 Engine Identification here) Engine Numbers. Prefix: This refers to the identification of the engine. For a variety of reasons, engines need to be correctly identified, and ...3791362. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date: 1962-1967 Notes: 327, 2 bolt, recessed oil filter bossThe block casting number you have indicates that yours is a 1967 model year, 195 hp, 2 bolt main, 283 engine . Yhis engine was used in many Chevrolet models that year, and was replaced by the 307 in the 1968 model year. The K87 indicates it was cast on November 8, 1967. Ask Your Own Chevy Question.Casting numbers vary based on engine type, production year, and model. Key components of Chevy block casting numbers include: Prefix: Typically three to four characters, representing the engine family, type, and sometimes vehicle application. Casting Date Code: Comprising a letter for the month (e.g., A for January), a two-digit day number, and ...Decoding small block Chevy engine suffix codes and stamped numbers: TXC - UTT.It was a raucous, racing-inspired engine with solid valve lifters, a high-lift camshaft, and high-winding personality that redefined small-block performance. Displacing 350 ci (5.7-liter) with a ...* Engine Block Casting Number by Number - small block Chevrolet - coming * Engine Block Casting Number by Number - big block Chevrolet - coming * Engine Block Casting by Year/2- and 4-bolt Main ID * Engine Block Stamping ID/Date/CE (Chevrolet Engine) Information * Engine Suffix Codes (V8) - Chevelle specific - 1964 through 1972 by year * Engine ...World Products 011150 – Cylinder Head Cast Iron Chevy Small Block SPORTSMAN II 200cc 64cc 23Degree 2.020″ x 1.600″ Angle Plug, Bare Castings . The first available true aftermarket performance cylinder head, good for 30-70HP over stock, and emissions legal! ... Casting ID Number: I-037; Material: High density cast iron;The block casting number is stamped on the left front of the engine block, usually above the vibration damper. It consists of 3-8 numbers or letters that indicate the manufacturer, displacement, and date. Common GM block prefixes include: V codes (e.g. VIN code) for small block V8s; Y codes for small straight-6 … See moreThe block casting number is stamped on the left front of the engine block, usually above the vibration damper. It consists of 3-8 numbers or letters that indicate the manufacturer, displacement, and date. Common GM block prefixes include: V codes (e.g. VIN code) for small block V8s; Y codes for small straight-6 and inline engines; Z codes for ...I need help identifing a chevy 350. The rear of block is stamped 5.7 LG SGI. The front plate near the passenger side head where the numbers are usually found is smooth. The only numbers I have located so far are, 638 located on the lower block side above the motor mounts. and near the oil filter stamped 183551 (I think).1984 Small Block Chevy 350 Camshaft Identification. Identifiers: Letter R, CWC, EP1, C4 and E8. Canadian made ERTEL brand. Lift of tested lobe could be .300"...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. This ledge is below …Chevy Small Block Engine Casting Codes. The Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. Choose Group to View Engine Block Codes.Chevrolet Small Block - Head Casting Numbers. Small Block Head Casting Numbers. (In no particular order) 330545. 1971 / 75. 350. 245, 250 hp. 1.94 / 1.5.For the sake of clarity, we've broken down the locations by engine type and code/number type. Engine Identification Numbers: L6 - The engine identification codes are located on a machined pad on the right (passenger) side of the block behind the distributor. V8 - On both small- and big-block V8s, the engine ID codes are found on a machined pad on the front passenger side of the block ...The Vortec head is quite a bit different compared to a traditional small-block head. The intake manifold bolt pattern changed using only four bolts per side instead of the typical small-block's six per side. The springs are stock 1.25-inch diameter, and the rocker studs are pressed in. Vortecs also require center-bolt valve covers and gaskets.Small block Chevy casting numbers are engine series numbers cast into the engine block, cylinder heads, intake and exhaust manifolds. They are used to …BriTon Motorsports said: Looking for original Specs in technical information on the fallowing casting number and partial engine id Casting Number :10243880 Engine ID: 1M0823 8P04. the fallowing is what I've come up with (not sure if accurate) It's a Small Block Chevy block built in Mexico somewhere near August (or possibly June) 23rd of 1996.Many manifolds were used in multiple years. Exhaust manifolds are normally date coded in the form of a letter for the month (see table below), two numbers for the day and a single number for the year. For example, C259 indicates a date of March 25, 1969. V8 Exhaust Manifold Casting Month Codes. A - January.Gm block casting number Hi will, my book tells me that all blocks from 59 to 62 can be bored to 4 in.. your block # is 65- 67. Sonic test is the way to go.. I plan to bore my 283 to a 327 s/j some day. Good Luck jim . Reactions: defilade. Save Share. Like.SBC Casting # 14022601. Thanks for the info---53cc seems very small for smog era heads. If that is the case,this would cause detonation problems with stock timing. You know the shop that put this together didn't read the fine print in the 383 kit----gives 10:1 compression ratio when used with 76cc or 64cc chambers !Step 2. Decipher the Chevy big block engine prefix. The prefix code is identified by the first few letters. The plant where the Chevy big block engine was manufactured is the first character. The following numbers are the day, followed by the month. For example, a prefix code of T1218: "T" stands for town of Tonawanda, 1218 stands for Dec. 18.In today’s global economy, supply chain management plays a crucial role in ensuring the smooth flow of goods and services from manufacturers to consumers. One key aspect of effecti...Block has provisions for dry sump scavenge in the valley area. If no scavenge is used at this ... lifter bores sized on the small end of the specification. Sometimes these bores will need to be lightly honed. ... Cam bearing bore ID: SBC - 2.00" BBC - 2.120" 50mm Roller Brg - 2.2819"- 2.2831"Chevy Small Block Engine Casting Codes. The Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. Choose Group to View Engine Block Codes.22551656. 4. Chevy/Olds Rocket block 4.00"-4.190" bores 2.45" main journal sizes splayed caps dry sump 2-piece rear seal 9.025" deck. 22551660. 4. Chevy/Olds Rocket block 4.00"-4.190" bores 400 mains journal sizes splayed steel caps wet sump raised cam 2-piece rear seal 9.300" deck. We would like to thank everyone that has contributed to the ...2623 posts · Joined 2002. #2 · Dec 27, 2005. The 487 heads will flow as well as any factory double hump head. The only real problem with them is that they have poor combustion and burn characteristics compared to the earlier closed chamber style heads. You can get 220 CFM out of them without too much work and they will make a good cheap set ...Chevrolet has produced the small block engine in dozens of different configurations since it was first introduced in the mid-1950s. General Motors alloys all of its cast iron blocks with a certain amount of nickel, but for some time, cast them with a far higher nickel content than it does today. ... Identify the block casting number, which you ...The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. For help go to engine Code help or engine decoding FAQ. Choose Group to View Small Block Engine Suffix Codes.Small-Block Chevy Gen-I Cylinder Heads. Standard Gen-I small-block Chevy heads position the valves at a 23-degree angle to the deck. ... Casting numbers 3782461 or 3782461X used 1.94 and 1.50-inch valves. These were commonly called "Fuelie" minds. Chevrolet Small Block Head Pouring Phone. Casting #, Combustion Chamber Size (CCs), Intake ...Sep 14, 2012 · 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. "Main Caps" is the number of bolts holding the cap. A "two-bolt" main, or a four-bolt main.Have you ever found yourself in a situation where you wanted to unblock a phone number? Whether it’s because of an accidental block or a change of heart, unblocking a phone number ...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. "Main Caps" is the number of bolts holding the cap. A "two-bolt" main, or a four-bolt main.KARISH Discussion starter. 4 posts · Joined 2011. #1 · Aug 28, 2011 (Edited by Moderator) HI, GUYS I RECENTLY BOUGHT A CHEVY 350 cu in WITH BLOCK CASTING#14010207 I DID SOME RESEARCH AND CAME UP WITH THE FOLLOWING: IT'S A 4BOLT MAIN. L82 SERIES 350 cu in. USED FROM 1970-1972.Feb 26, 2011. #1. Picked up a 283 short block with casting 3789935 and engine number F04I0D, on the bellhousing area RHS is cast *1* and what looks like D58. I have done a little research, and it could be late 61 through to 64. Any help from the more knowledgable members would be appreciated.Small block Chevy casting numbers are engine series numbers cast into the engine block, cylinder heads, intake and exhaust manifolds. They are used to …11400 posts · Joined 2002. #4 · Aug 29, 2004. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship. Loaded in 1 ms.. There are 2,506 casting numbers in the dataVortec heads will bolt on any small block Chevy. A Brief Specifically, to do a GM engine serial number lookup, tak

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The block casting number on small block an.

Engine ID Code Example: V0101CLJ- (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) Another example: T0830CTY – (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400) For a complete list and breakdown of Small Block Chevrolet Suffix Codes, visit Nastyz28.com. Small Block Chevy Casting Numbers.Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Valve Production Years Misc. Engine Size (ci) 10033867: 62cc: 2.02: 1.60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101:For instance, a camshaft made for a small-block Chevy engine code has the model prefix “LT1”. By knowing the model prefix, you can narrow your search for the precise camshafts made for your engine builders. Grind Number. Another vital piece of information that helps you identify GM camshaft identification codes is the grind number.Possible Reasons: Please make sure that the Article URL is not incomplete. This article might have been removed from the knowledge base. The article title might have changed causing the previous search-friendly article URL to break.The casting number consists of 6, 7, or 8 digits without any letters. Any letters cast near the 6,7 or 8 digit number are not part of the Casting number. The Block Casting Number designates veries information of the block such as the displacement, the year of production, 2 or 4 bolt main, and also vehicle application. Chevrolet Big Block ...Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1987-1995: Notes: 350, 2 bolt or 4 bolt, roller or flat tappet cam, 1-piece rear seal: Added to DB: December 20, 2010 (4911 days ago) Loaded in 1 ms. There are ...To determine what type of heads are on your small block Chevy, take a look at the illustrations below for 'Early' or 'Late' Style, Aftermarket Aluminum SBC heads, Aftermarket Cast Iron heads, and other SBC cylinder heads. Text descriptions of the heads can also find text descriptions for each head type under the respective headings. …Find CHEVROLET Chevy small block Gen I Wiseco Pistons and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 ... 4.030 in. Bore, Chevy, Small Block, Kit. Part Number: WIS-PTS534A3. Not Yet Reviewed. Estimated Ship Date: Jun 20, 2024 if ordered today. Free Shipping; Special Order...Loading Estimated Ship Date: Jun 20 ...VIN stands for Vehicle Identification Number. It is a unique code assigned to every vehicle by the manufacturer, which serves as its identifier. This 327 engine code location for Chevy vehicles can be found above the oil filter, on the rear of the block pad, or block on flange.The significance of head casting numbers on Chevrolet 350 engines can’t be overstated for enthusiasts and mechanics alike. These numbers, found stamped on the heads of Chevy small-block engines, serve as a detailed fingerprint, allowing us to identify the capabilities, design changes, and applications of any particular head.The casting number is found on the drivers side of the block at the back of the engine. In my experience, this number will give you an idea of what you might have, but it isn't as specific as the second numbers. The numbers we're really concerned with are at the front of the block, on the passenger side. There is a little tab cast into the ...Caller identification allows the user to see the phone number and name of the incoming caller before answering the call. In some cases, these calls are blocked or the user cannot s...384929064-67 283 & 327 RH 195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC 384928864-67 283 & 327 RH 195, 220, 275 & 350 HP 1.9" Outlet Chevy II 3846659 66 327LH 350 HP 384656364-65 327LH Corvette 300, 350 & 365 HP 2.5" Outlet 384655964-71 327 & 350 LH Corvette 250, 270, 300 & 350 HP 2.0" Outlet 384091264-68 283, 307, 327 & 350RHHydraulic roller design. Duration @ .050" Lift (deg): I: 234 / E: 242. Maximum Lift (in) w/1.5 rocker: I: .539 / E: .558. Lobe Centerline (deg): 112. Off-highway use only; contains eccentric for mechanical fuel pump. NOTE: The Gen-II LT4 camshaft P/N 24502586 was designed to be used in many different engines. The following change may be ...Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82I run 601 casting heads bowl ported on my 2 current rides. 57 chevy 350" and 47 dodge with small block. I bowl port them and widen the pinch at the pushrod. Runners come in at 170cc. Chambers need unshrouded. There are some rel crappy 1978 305 heads with 1.72-1.50 valves.A typical casting number for a Chevrolet small block V8 engine is 3970010. This designation shows a particular kind of engine block that was mostly used in various automobiles. The Chevy engine blocks’ casting number provides a lot of details about the engine block, such as: Displacement. 2 or 4 bolt main.12480005. Manufacturer: Chevrolet Category: Cylinder Heads Type: LS Small Block V8 Date: 2000 Notes: LS1, GTZ, aluminum, 38cc chambers, 2.125/1.625 valves, angle plugsAll these are identified here. Quickly, A = Chevelle, F = Camaro, X = Nova. If you're looking at the engine code - this is already known. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B".... basically this means "it's used in everything", whereas if it simply states "Y"... this means Corvette. Decoding small ...Details for 10128374; Manufacturer: Chevrolet: Category: Cylinder Heads: Type: LT Small Block V8: Date: 1992: Notes: 350, LT1, 53cc chambers, angle plugs, aluminum ...Small-block Chevy connecting rods are typical22551656. 4. Chevy/Olds Rocket block 4.00"-4.190"

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Spam texts can be annoying and intrusive, cluttering your inbox and wasting your time. Fortunately, there are numerous apps available for iPhone users that can help you put an end ...Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! 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.11400 posts · Joined 2002. #4 · Aug 29, 2004. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship.Small Block Chevrolet. LB=Long Block SB=Short Block Year Date Casting Size 2/4 Bolt BB=Bare Block Notes/Pad Number. 65 K-24-4 3782870 327 2 BB FI209H 66 F-15-6 3849852 283 LB 66 K-2-5 3858180 327 CE TI21bEA 67 CHEVELLE 275 4SP ...Most small-port heads use a 1.94/1.50-inch valve package in an attempt to keep the price down. The biggest percentage of gain in performance can often be gained by increasing the exhaust valve diameter rather than the intake. Edelbrock's E-Tec line of aluminum heads strives to improve upon the GM iron Vortec head.VIN code format Example: 13N100001 (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence) Engine Block Casting NumbersNotes (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. "Main Caps" is the number of bolts holding the cap.Sep 14, 2012 · 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. "Main Caps" is the number of bolts holding the cap. A "two-bolt" main, or a four-bolt main.CUSIP is an acronym for Committee on Uniform Securities Identification Procedures. A CUSIP number is an identifying number for most of the financial securities in the United States...You need to decode the engine assigned the sequence range of 50,000 to 79,999 so if more engines were A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. Mortec - Chevy Small-Block Casting Numbers, Engine Codes and more If you're looking at the engine code - this is already …The Edelbrock #5089 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 ...The Chevy small block engine casting number can be found on the bell housing section of the block just behind the passenger side cylinder head. This number will indicate some notable design specs such as 2 or 4 bolt main bearing caps, what models of cars it was installed in, the years it was installed in those cars, and in some cases the …150 posts · Joined 2007. #19 · Sep 10, 2007. Crankshaft casting #s. 1967 Z28 302 = 3815822. 1968 Z28 302 = 3923279. 1969 Z28 302 = 3941178. If the crankshaft doesnt have one of these casting numbers then it is NOT a factory 302 crankshaft. If it does have one of these numbers then you should also buy yourself a lotto ticket.Another way to identify a Small Block Chevy 327 is to look at the cylinder head numbers. These are usually located on the top of the cylinder head, between the rocker arms. The cylinder head numbers for a 327 should be either 3782461, 3782461X, 3782461X, or 3890462. Again, if your engine has one of these numbers, it’s likely a 327.Possible Reasons: Please make sure that the Article URL is not incomplete. This article might have been removed from the knowledge base. The article title might have changed causing the previous search-friendly article URL to break.Standard Gen-I small-block Chevy heads position the valves at a 23-degree angle to the deck. ... Casting number 12558062 is a Vortec head that is available from Chevrolet Performance. It is completely assembled with 1.94/1.50-inch valves, and 64 cc combustion chambers. It can be machined for 2.20/1.60-inch valves.Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, ... Chevy Block Casting Numbers. Use these casting numbers to identify the block you have. Small Block Casting numbers . Casting Number. Years. CID. Comments. 330817. 70-80. 400. Car & Truck 2 & 4-bolt 3-freeze plugs. 355909. 75 …Edit: David Vizard says this in his book "Budget Building Max Performance Chevy Small Blocks:" "The best blocks to get are the blocks that have a number 010 and 020 under the timing chain cover. These have 1% tin, and 2% nickel. The tin is used to help the metal flow better into the casting mold. These blocks are the least prone to cracking.Tech: GM 1st Gen Heads vs. Vortec Heads Reader Guide. By Bobby Kimbrough April 13, 2015. Chevrolet’s small-block Chevy was manufactured beginning in 1955, and the first-generation engines (Gen I) can still be purchased as a replacement crate-engine through Chevrolet Performance. In 2005, General Motors estimated that …Small Block Chevy Casting Numbers. Views: Please see the attached charts to help figure out exactly what you have. Related Products: Cylinder Heads, Engine Assemblies. Related Attachments (2) sbc_casting_blocks.pdf; sbc_casting_heads.pdf; Email Sign Up12551358. Manufacturer: Chevrolet Category: Engine Blocks Type: LS Small Block V8 Date: 1999-2007 Notes: Vortec 5300, VIN "T", 5.3L / 325 CID, Cam bores changed some time in 2003Chevrolet 305 and 350 cubic-inch engines are virtually identical, differing only in cylinder bore size. To identify any Chevrolet small-block V-8 engine, the engine ID number must be matched to a listing of suffix codes, which identifies the details of the engine in question, including original application, horsepower, year of manufacture and technical specifications.The heads on the 1976 through 1987 GM vehicles can be identified with casting number 462624 with an intake/exhaust port size of 1.94/1.50 inches. These heads are prone to crack. 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. … The 350 came stock anywhere from 7.8-10.5 or 11.00CR stock