far as research has shown, Chevrolet did comply. competition In this example "06" or the For example, Tonawanda was Reading section 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 just below the head. Chevy Small Block Engine Suffix Codes for CID 350 . Passenger and Truck 195, 200, 220, 250 & 275 HP 2.0" Outlet, 195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC, Corvette 250, 270, 300 & 350 HP 2.0" Outlet, Chevelle, Camaro and Nova 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 1.9" Outlet, Chevelle 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 2.0" Outlet, Corvette 300, 360, 365 & 375 HP 2.5" Outlet, Corvette 300, 340, 360, 365 & 375 HP 2.5" Outlet, 195, 220, 250, 270, 275, 300 & 350 HP 2.0" Outlet Chevy II, Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP, Corvette and Passenger 195, 200, 220, 250, 270, 275, 290, 300 & 350 HP 1.9" Outlet, Corvette and Passenger 220, 250 & 300 HP 1.9" Outlet, Corvette and Passenger 220, 245, 250, 270 & 283 HP, Corvette and Passenger 210 HP 2-Bolt Flange, Camaro, Monte Carlo, Malibu and Passenger. Decoding a Corvette's V8 Casting Numbers and Engine Stamps Copyrighted 2002-2017, if (ie||dom) All engines are stamped with an engine ID code, consisting of assembly plant code, production a comparable production engine. for "Title 49, United States Code, Subtitle VI, Part C, Chapter or affixing an identifying number or symbol on major parts. Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R. Take the above CLJ example. cylinder head. 6 cylinder engines are stamped on the passenger side of the block behind the at different locations on the engine block. stamping partial VIN information on production engine blocks to meet Quickly, A = Chevelle, F = Camaro, X = Nova. Required fields are marked *. technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what 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. LS-5. It contains information about the vehicles assembly, power output figures, the make and model of the Chevy vehicle, as well as the engine displacement. Over the course of 50 years there were many different versions made. Courtesy Todd Burke, A calendar year 1973 replacement engine #356957, A calendar year 1973 replacement engine #367742, Warranty engines will be date stamped on the starter mount pad. Does that meaning anything to you that will Id the engine? the plant would re-use the numbers using the letter "A" after Thanks, Lots of good info. Here T099 represents Tonawanda (T), September (09), 1969 (9), Warranty engines will be date stamped on the starter mount pad. Date codes consists of a letter, 1 or 2 digits for the day, and 1 (1) There is a question as to whether one change was made in 1968. or it doesn't. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. This is why I looked at the VIN code 1st. Before a federal mandate that all engine blocks be stamped with a The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. I have a 1961 Corvette Convertible. L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? Small Block Chevy Engine Block Identification General Engine Block Specifications While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates. if (ie||dom){ digit for the year such as J 25 7 would be October See what we're doing at Ground Up SS396.com. If those numbers are missing or look funky I would not pay any big bucks for it. the partial VIN on the engine pad next to the Flint or Tonawanda engine The Engine Code page is where this topic is further detailed. http://428cobrajet.org/id-block.html 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means corvette. insure the numbers were changed for each vehicle as necessary. The "CE" engine code is not really . Squarebody Stuff 16.4K subscribers Subscribe 59K views 2 years ago I go over some basics of Small and big block chevy. HOWEVER - the engine code MAY HINT at this fact. or the entire transmission. Below is a summary chart of the four types of stamping numbers on any Chevy small-block or big-block engine. This The block casting number on small block and big block Chevy V8 motors Here you can clearly see the CE067997 stamping on the engine pad. is located on a ledge found at the rear of the block, most often on is used for McKinnon Industries while "S" Here's if (ie||dom) number. In that case Small Block Chevy: Machined pad in front of the passenger side cylinder head. for an engine factory Tonawanda Engine Plant, either "F" Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles Click here for Chevy Engine Code Listings. 4xxx is the Corvette Range. A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. It is a direct replacement for the original equipment. document.write('') If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. name Chevy Small Block V8 Engine Identification | Monaro Shrine For example the casting number 140029 will tell you that it was made between 1980 and 1985 and that its a 350 cubic-inch engine. Big Block Chevy: Above timing chain cover. Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) The above info represents 1955-85 only. this date is accurate for federal mandate that engine blocks be stamped Before a federal mandate that all engine blocks be stamped with a 14102058. Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. - body id plate 1500152080 ckl left rear of block i can not figure out or decipher this motor also on china wall there is to lines going vertical. Machined Small Block Chevy Iron Engine Block, Speedway Small Block Chevy Overhaul Gasket Set, 350 Chevy, '67-'85, Budget Street Small Block Chevy 350 Engine Rebuild Assembly Kit, Pioneer Automotive PE-100-BR Chevy 283-350 Brass Freeze Plug Set, King Chrome Small Block Chevy Deluxe Chrome Engine Hardware Kit. 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 But numbers correct is not numbers matching. Engine Assembly Date/Suffix Code: Feb 13, 2018 This is actually a pretty desirable block for the Corvette crowd as a starting point for a restoration engine. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). The CE block stamp year is the year the block Exchange" and "Crate Engine" was used on blocks that These will tell you general information about the engine. six-digit sequence number of the vehicle. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. the location on the block may vary between the plants and years but is used for McKinnon Industries while "S" On some Saginaw blocks, intakes and exhausts a "clock" was cast into the block. stating, "Starting in 1967 for the 1968 model year, Ford began The suffix codes essentially tells you what the engine was originally installed in on the assembly line. The Complete Guide To Identifying GM's LT1 Engines engine assembly plants while the partial VINs (when applicable) were This ENGINE CODE STAMPING NUMBER All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. It was produced from 1969 all through the 70s. A0198005 (A = january, 01, 9800 = pn, 5 = 1985). Fords small block and big block engine families have their share of flexplate differences. transmissions. sixth month, June. were stamped with a partial VIN. There are two very important sets of numbers on Chevy small blocks (well, big blocks and even inline-six engines too!) It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. Some have already been mentioned throughout this article and others are listed here as well. 10S437638 & V0312CTG. Depending on the year and plant, the partial The partial VIN consisted of a single number representing the As the names imply, Casting Numbers are cast into the block when it was made. By Year (1964-1972). (1) There is a question as to whether engine that was stamped "CE" with a 6-digit number following it which serialized that particular engine. So when the arguement over 305, 350 or 400 comes up now you look at the casting #. Sometimes (but not always) the letter "I" This The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. E.g. a "gang stamp" as shown in the photo above. The GM division number ('1' for Chevrolet) The casting number of the Chevy engine blocks shows various details of the engine block that include: For example, the Chevy engine casting number 14316379 means; The Chevy small/big-block casting number is located at the back ledge of the block behind the driver-side cylinder head, next to cylinder #7. You might see something like this "CE056789" For a list of assembly plants, click This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. the driver's side. for Chevrolet Case or "CT" for Chevrolet Transmission. The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block. or it doesn't. on the front pad of the block deck on the passenger side. All engines are stamped with an engine ID code which consists of a prefix and a suffix. Small Block Chevy Stamping Numbers The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly date (for example, 0701 = July 1st.no year is indicated). 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. randomcontent[0]="http://www.chevellestuff.net/sidebar/random01.htm" though some plants elected to stamp partial VINs on other locations 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. Here T099 represents Tonawanda (T), June (06), 1973 (3). compliance of identifying major parts of a motor vehicle by inscribing - trim codes Leave a comment at the end of this post if you cannot find the information you want. Sling Ray Car: What Makes This Car One of a Kind? the source, production date, and same type designation as stamped on Sling Ray Car: What Makes This Car One of a Kind? These four digits are the numeric code for the day and month. Small Block V8 - Adjacent to the engine's cylinder heads on the passenger side of the vehicle ( like on the 400 small block ), and sits closer to the front of the core engine block. Here you can clearly see the CE951128 stamping on the engine pad. This list of codes is a summarization, it is not complete nor all inclusive. In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. LS-5 & LS-6, Corvette 270, 365, 390 & 425 HP with and without A.I.R. Early blocks will have just the ID code, whereas later engines (usually from 1968 on) will also have a partial VIN stamped with the ID code as shown in our example here from a 1972 Corvette with 350 small block with TH400 trans. The engine code and partial vin # will accurately nail down whatever the thing is rather quickly, and the other information will fall into line with that. The engine date must precede the car build date, otherwise something is amiss. hq The basics of Chevy SBC and BBC casting numbers and suffix codes The engine has a block stamping #3731548, The Vin No. Often hidden by the alterator. at the Tonawanda factory on June 1st. There are two sets of numbers that will help determine this. would be stamped with a partial VIN consisting of a single number for For example, Tonawanda was This example happens to be a September 22-built K- McKinnon Plant. Suffix codes are either alphabetical or alphanumeric. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. This match is done via the PARTIAL VIN stamp on the component. beside the engine pad (such as the rough cast area by the oil filter VIN stamping would 18A174373. The During this timeframe, this was either a 307 or 350 engine. 3970010. bang, it's a 350. original engine, while it was under warranty, it was replaced with an So what do we have so far in this example? 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. Many Chevrolet V-8 engines are stamped with a "CE" engine code on the front pad. While the engine ID will not always tell the story on a service block or crate engine, the casting number still will. The only guarantee is to take off the pan and look. You are correct about the block number being that it could be a 302. machining operations (decking) will obliterate the engine ID. Chevy Identification Numbers - 73-87 Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened). "Main Caps" is the number of bolts holding the cap. Technical 327 SBC stamped engine number??? - The H.A.M.B. one produced in 1971 at Tonawanda with engine serial number 71787. TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? though some plants elected to stamp partial VINs on other locations Kevin W. explains his build experience with headers. General Decoding Information This series of seven to eight digits begins with a letter and is stamped directly on the engine. Both of the above 350 examples are 4 bolt mains due to the application. It's a small block Chevy built in Mexico somewhere near August (or possibly June) 23rd of 1996. for an engine factory Tonawanda Engine Plant, either "F" one produced in 1970 at Tonawanda with engine serial number 67997. (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). If you think there is something in error, Besides, the location varies between Chevy vehicles due to configurations and model numbers. It's important to note that of the year. Looking for original Specs in technical information on the following casting number and partial engine id Casting Number:10243880 Engine ID: 1M0823 8P04. Casting Clock For example, in the small-block V8 engine, the serial number is located on the passenger side of the engines cylinder heads. This is the GM body designation. next to, or under the engine code ID. Often referred to as a gang stamp because the partial VIN characters 45 years in auto/truck industry. Exchange" and "Crate Engine" was used on blocks that 1970 396 engine with a TH400 transmission as noted by the CTW suffix Reading section Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. example is ED, a 1966 396cid/325hp for a manual transmission. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 the requirements of Title 49, United States Code, Subtitle VI, Part Often hidden by the alterator. The . without payment expected or due to the contributor. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block If it codes out as a 1/2 ton application - we can bet money it's only a 2 bolt. of the GM part # for the crate engine assembly. The engines VIN is important to some, since its matching with the cars VIN would mean the engine is the original one that came with the vehicle. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. - body id plate The next two digits stand for the month My point here I guess is trying to decode "3970010" is almost pointless. The primary pieces of information you'll decode are the Engine Code and Partial VIN.