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Small Block Chevy Engine RPO #'s. Engine Summary 1970 - Current: Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R. Underneath is stamped which the first digit or letter being a 1, L, or T followed by MF526670. the plant would re-use the numbers using the letter "A" after 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. after the 1975 model year. or "V" would indicate Flint, MI., "K" If a customer had problems with his 45 years in auto/truck industry. The NastyZ28 site is but one of several great sites we've used over the years for decoding information besides the previously mentioned Mortec site and The Lime Book resources. something secret I've been working on since 2005. These numbers will tell you where the engine was assembled, production date, and the suffix code. Thanks Quoting from the Chevrolet Dealer Service Information Bulletin, 69-I-1, . - trim codes the driver's side. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). Anyways, that's what that circle thing is (if you happen to see it on something). This match is done via the PARTIAL VIN stamp on the component. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. VF292800 - is an example of a over the counter crate engine. There are two sets of numbers that will help determine this. They mandated this format in 1972 after abolishing a longer form that used letters like NOR to show Norwood instead of the current N for Norwood. vehicle identification Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles Squarebody Stuff 16.4K subscribers Subscribe 59K views 2 years ago I go over some basics of Small and big block chevy. found above the timing cover mating surface on the front of the block. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. These blocks are referred to as the "Gen I" small-block, the subsequent "Gen II" LT, and "Generation III/IV" LS, along with the current "Generation V" (LT/EcoTec3) engines. nice clean LT1 in a 1971 Corvette It is believed this method of identifying replacement engines stopped at the Tonawanda factory on June 1st. This website is the The "CE" //Random iframe content- Dynamic Drive (www.dynamicdrive.com) Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles Date/Suffix Code: for Chevrolet Case or "CT" for Chevrolet Transmission. competition This post provides you with a detailed explanation about stamping numbers on a GM/Chevy engine. } The engine assembly code looks similar to this: T0601ED. TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? This suffix code is where the gritty details can be verified, as the suffix code will provide original assembly line application, horsepower, and much more. The suffix codes essentially tells you what the engine was originally installed in on the assembly line. for Chevrolet Case or "CT" for Chevrolet Transmission. When people say "It's numbers matching" - what they mean is the engine (or other component, i.e the transmission) can be MATCHED to the vehicle it was code. VIN could be stamped into a different area of the block; the flange Date codes consists of a letter, 1 or 2 digits for the day, and 1 In 1987 CLJ is a 305 L69 in a monte carlo, or in 1971 it's a 400 from a This stamping will include the prefix code (assembly plant and assembly date code) and the suffix code. In 68-69 modelcars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. Talk to the experts. If you already know what you're doing, Chevy Engine Codes are listed down below. it which serialized that particular engine. Where Are Chevy Small Block Casting Numbers Located? next to, or under the engine code ID. In some cases suffix codes are reused twice or more over time, in this event check the partial VIN code or block casting date code Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. distributor. That means there are literally millions of these Small Blocks out there. General Decoding Information var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' if (ie||dom){ Their casting info includes cylinder heads, crankshafts, and more, besides the small and big block engine block casting details we've mentioned in this guide. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. But numbers correct is not numbers matching. 1973 - eliminates every other possiblity. . hg This ledge is below the deck of the block and the at front of block by engine head #TI220FC. And you can check dates. LS-5 & LS-6. = Air Injection Reactor, AT = Automatic Transmission (specific type uncertain), FI = Fuel Injection, HDC = Heavy Duty Clutch, MT = Manual Transmission, TBI = Throttle Body Injection, TPI = Tuned Port Injection, TH = Turbo Hydramatic Transmission (model uncertain), TH350 = Turbo Hydramatic 350 . would be stamped with a partial VIN consisting of a single number for otherwise - it's not. It produces 162 horsepower and 257 lb-ft in the base model. Save my name, email, and website in this browser for the next time I comment. On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. Take the above CLJ example. being individually stamped. This one change was made in 1968. Small block casting date is located on driver side rear of block on flange forward of bellhousing. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. next to, or under the engine code ID. 1970 396 engine with a TH400 transmission as noted by the CTW suffix QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE - for decoding engine codes. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). Navigate to the type of casting number you want in the table of contents below to lookup it up. hk Select the portion of the alphabet for your code. Required fields are marked *. Can you tell me what year this engine is It is a direct replacement for the original equipment. document.write('') Some had better heads, more compression, or even more cubic inches. General Motors standardized this procedure by using what's called end of story. This example happens to be a September 22-built The Engine Code page is where this topic is further detailed. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. pads. Engine Code Stamping Numbers Below is the meaning of each of the letters and numbers in the engine serial number: The first five digits are called the prefix and contain the details about the engine assembly factory, the month in which the assembly was made, and the specific day of the assembly. Fords small block and big block engine families have their share of flexplate differences. My small block has a stamp of T07i9S. The information has been found on numerous Ford a comparable production engine. Therefore the two stampings will Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Take a truck 350. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. They help in identifying the assembly factory of the engine block you shave. For a list of assembly plants, click assigned the sequence range of 50,000 to 79,999 so if more engines were the requirements of Title 49, United States Code, Subtitle VI, Part 7017300R, SBC Head Casting Numbers: Full List & Lookup, I have a customer that has a small block chevy motor with 2 numbers on the block as follows V0311CLK. Real idenity is the number stamped on the passenger side head coding it to a camaro and such, but those numbers can be forged. Note: CODE CExxxx (counter or crate engine) was used from 1968 to current year. Luckily its pretty easy to determine exactly what SBC you have under the hood of your ride. This the "CE" and year designation. This is why I looked at the VIN code 1st. all created by WBD or submitted by readers and are not to be copied or distributed six digits of the VIN. The primary pieces of information you'll decode are the Engine Code and Partial VIN. Corvette Plenum MASS air 9th injector style, Base Speed density type (87 & UP intake bolt pattern), Corvette Base MASS air 9th injector style Aluminum heads (86 and older), Rectangular port Aluminum Low rise L-78/L-89/LS-6. The point of this page is to help you figure out how to decode stuff. My point here I guess is trying to decode "3970010" is almost pointless. the "CE" and year designation. hk Chevy used one to three letters of the alphabet to code the type of 33107 "Voluntary vehicle identification number" sounds more The plants - Prototypes was stamped and not for what year of car the block was destined for His experience ranges from legal affairs reporting to covering the Middle East. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. compliance until sometime midyear, 1968. Again, E.g. It is a '69 350/300 hp, a pretty desirable piece. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block.Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262 cu in (4.3 L) to 400 cu in (6.6 L) in . Often hidden by the alterator. is used for Saginaw Service. Project Chevelle got LS swapped! The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc Sometimes the engine ID code is obscured by the alternator. stating, "Starting in 1967 for the 1968 model year, Ford began ONE NOTE: Casting #'s will trump the code on a descrepancy. Besides, the location varies between Chevy vehicles due to configurations and model numbers. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. example is ED, a 1966 396cid/325hp for a manual transmission. Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R. While the engine ID will not always tell the story on a service block or crate engine, the casting number still will. Small Block Chevy: Machined pad in front of the passenger side cylinder head. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"'