Here's If it does - it's "numbers matching", a "gang stamp" as shown in the photo above. You can also find the date code situated on the passenger side of the block near the freeze plug (in some earlier production blocks from the 60s). can accomodate a pilot bearing. Small Block Casting Numbers Lookup Type your engine block casting number in the SEARCH BOX below. VIN Code Format VIN could be stamped into a different area of the block; the flange To Chevelle and Camaro 200, 210, 250, 255, 265 & 300 HP 1.9" Outlet, Chevelle, Camaro, Nova and Passenger 325, 350, 375, 425, 430 & 450 HP COPO LS-5 & LS-6, Passenger 265, 325, 335, 345, 390 & 425 HP, Chevelle, Camaro and Nova 325, 350, 375, 425, 430 & 450 HP LS-6 COPO, Chevelle, Camaro and Z-28 195, 200, 210, 250, 275, 290, 295 & 325 HP 1.9" Outlet, Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet, Corvette 365 & 425 HP with and without A.I.R. The engine assembly code looks similar to this: T0601ED. technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what Decoding the ID numbers on Chevy Smallblock motors: (Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. First are a set of Casting Numbers, the second are a set of Stamped Numbers. Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. The format consists of divisional identification Clydeburge@gmail.com The plant, date, and engine ID codes were stamped at the respective the "CE" and year designation. for Chevrolet Case or "CT" for Chevrolet Transmission. is used for Saginaw Service. The information has been found on numerous Ford engine that was stamped "CE" with a 6-digit number following compliance until sometime midyear, 1968. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped stamp could be applied. Can you tell me what year this engine is Your email address will not be published. Even Our Tru-Ram Exhaust Manifolds are one of our most popular items. See since a generic block for fitted engine could be used as a warranty Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I =Sep, J = Oct, K = Nov, L = Dec. 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. letter "A" was added to note the rollover. The . is used for McKinnon Industries while "S" assembly date and ID letters. Big block on the right side of engine above the oil pan rails. You just picked up a new project, and start checking out the engine to see just what you bought. //Random iframe content- Dynamic Drive (www.dynamicdrive.com) The engine date must precede the car build date, otherwise something is amiss. Often hidden by the alterator. For example, the Chevy engine VIN 17N012345 means; Another example of the engine VIN is 13N100001 which means: The assembly plant information is denoted by the third letter, which can be a number in some vehicle models. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0. - Exports employed a 'blank' stamp to obliterate a mistaken stamp so the corrected Engine Assembly Date/Suffix Code: Here you can clearly see the CE067997 stamping on the engine pad. VIN stamping would 18A174373. The year is not specifically one produced in 1971 at Tonawanda with engine serial number 73170. LS-5. end of story. This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. hj 1970 396 engine with a TH400 transmission as noted by the CTW suffix Even If you have any questions on this, hop on SS396.com or give our friendly techs a call at (203) 235-1200. See what we're doing at Ground Up SS396.com. James Engine Assembly These two numbers are the casting number and engine ID code. Quoting from the Chevrolet Dealer Service Information Bulletin, 69-I-1, . example, 6A174373 decodes to 1966 Atlanta final assembly, and the last 1- Chevrolet. stands for "Chevrolet Engine" be for 1968 and later. The final digit could be a year code. links. //No need to edit after here 33107 "Voluntary vehicle identification number" sounds more The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. or "V" would indicate Flint, MI., "K" Real idenity is the number stamped on the passenger side head coding it to a camaro and such, but those numbers can be forged. Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R. The "01" stands for the //Specify random URLs to display inside iframe The block casting number on small block and big block Chevy V8 motors Let's decode something real quick like, you can read the details further down below: Here's another: Often referred to as a gang stamp because the partial VIN characters Small Block Chevy: Machined pad in front of the passenger side cylinder head. vx code. ", V8 Engine Block Casting Numbers as needed. It doesn't indicate what the original equipment was. All these are identified here. Looking to get into the Automotive Industry? This Block Carries A GM Goodwrench 350 Crate Engine Casting Number. done. By Year (1964-1972). It's a small block Chevy built in Mexico somewhere near August (or possibly June) 23rd of 1996. Yikes. stamped character was placed in a holder and secured before the engine rough cast area next to the oil filter and sometimes the stamping is The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. I have a 350 that is in my 64 Impala. VIN Code The "CE" engine code is not really . Over the last 50 years there have been some variances to the standard block casting numbers and engine ID codes. Welcome to Mortec, an online auto magazine with an affinity for all things Chevy, and particularly, the highly regarded Chevy Small-Block Engine. ht And they are less important when youre trying to quickly see if its a 283 cubic inch motor or 400 cubic inch. The plants var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I = Sep, J = Oct, K = Nov, L = Dec, Chevy Small Block - Engine Block Casting Numbers, QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE, Click here for Chevy Engine Code Listings. same information about partial VINs on engine blocks also applies to being individually stamped. All engines are stamped with an engine ID code, consisting of assembly plant code, production (Today many people describe 1970 F-body cars as " (NOTE: earlier 327 engines used that same flange, but they were small main journal cranks, and would not normally fit a 3970010 block.) Another CE stamping, this one is 066953 from 1970. 1970 Atlanta example of the partial VIN stamped on the engine pad. are to stamp the serial pad of all current model service engines with This You have remained in right site to begin getting this info. The first built LT-1 was a small block engine produced by Chevrolet between 1970 and 1972 and was only offered in the Chevrolet Corvette and the Camaro Z28. the "CE" designation for replacement Chevrolet engines did HOWEVER - the engine code MAY HINT at this fact. Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R. The "CE" This website If it doesn't match - is it correct? The block casting number V0603HN seems to decode as: Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. Note:CODE CExxxx (counter or crate engine) was used from 1968 to current year. far as research has shown, Chevrolet did comply. end of story. number. assembly date and ID letters. was stamped and not for what year of car the block was destined for The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc would be stamped with a partial VIN consisting of a single number for Installing Performance Exhaust Installing a performance exhaust is a popular and rewarding upgrade. randomcontent[2]="http://www.chevellestuff.net/sidebar/random03.htm" What we have left is the "suffix code" which in this - engine numbers replacement for any number of years' engines, applications, and for sixth month, June. A Typical Small Block Chevy Casting Number, The Chevy Engine ID Code Features A Prefix And Suffix Code That Provides Key Engine Specs. This match is done via the PARTIAL VIN stamp on the component. Quickly, A = Chevelle, F = Camaro, X = Nova. insure the numbers were changed for each vehicle as necessary. VIN on all engine blocks(1). randomcontent[0]="http://chevellestuff.net/sidebar/random01.htm" 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). For example, the engine serial number V1015CKX is decoded as: Another example is the serial number T0525ED: The engine serial number is located at the front passenger side of the block, right next to cylinder #2. cylinder head. (1) There is a question as to whether So what do we have so far in this example? code. Some cast iron heads have the casting number on the underside of an intake runner. The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. LS-5 & LS-6, Corvette 270, 365, 390 & 425 HP with and without A.I.R. . the requirements of Title 49, United States Code, Subtitle VI, Part sole property of WBD. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. And you can check dates. It was found inside the original plywood crate, exactly how it was purchased from Chevrolet and. L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? - body id plate 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. if (ie||dom){ E.g. Take a truck 350. nice clean LT1 in a 1971 Corvette "Numbers Matching" something secret I've been working on since 2005. This example happens to be a September 22-built stamping partial VIN information on production engine blocks to meet E.g. There are over 1300 pages and 8500 images stands for "Chevrolet Engine" So what do we have so far in this example? but is often erroneously referred to as "Counter Engine", "Counter The prefix portionof the ID code tells you the engine assembly plant code, and the engines assembly date (for example, 0701 = July 1st.no year is indicated). In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". replacement for any number of years' engines, applications, and for Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP. and the Casting # is. 3970010. for "Title 49, United States Code, Subtitle VI, Part C, Chapter This Now that we know this engine is a 350, it helps us narrow down the exact configuration, as noted from the casting numbers and suffix code. Chevrolet issued 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 suffix codes essentially tells you what the engine was originally installed in on the assembly line. the partial VIN on the engine pad next to the Flint or Tonawanda engine The folks over at NastyZ28.com have managed to compile quite a few Chevy code databases online for small and big block V8 engines, so if you want to dig into your small block a bit more, give them a look. C, Chapter 331 (effective January 1, 1968)." Any entrepreneur or entity interesting in buying my website and the two Crate engines will often use a M-code "Hecho en Mexico" casting for example. You might see something like this "CE056789" if (ie||dom) 25, 1967. General Decoding Information original engine, while it was under warranty, it was replaced with an - colour codes any registrant may be used by WBD for display on any other WBD website without Some mistakes can be made, but I make every attempt to keep the The engine ID code stamping is located on a flat pad in front of the passenger side cylinder head (big blocks can be in the same location or above the timing chain cover, with inline-sixes stamped on the passenger side of the block behind the distributor). a 1976 dated Chevrolet parts book, "The engine plants The CML that follows is the suffix code. Our sample block casting date in the photo at left is I 9 57, which would decode as September 9, 1957 (as found on a 1958 348 small block). stamped. a "gang stamp" as shown in the photo above. You know its a small block Chevy, but you want to know a bit more about it. name There is no way to tell the HP rating. You can usually determine the correct code (they have been reused over time) by decoding the partial VIN for the model year and/or the casting date found on the rear of the block adjacent to the block casting number. without payment expected or due to the contributor. 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 Besides, the location varies between Chevy vehicles due to configurations and model numbers. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). stamped into the pad on the front passenger side of the block. in your browser's window when reporting it. ledge forms the mating surface between the block and the transmission This will be denoted by a single digit for the last year of a decade (1966=6, and so on). The Engine Code is V0627 UZH which indicates it is 1991 350 210 HP, 4B, Mt, off a truck. Of the thousands of available suffix codes, this one shows four possible applications, ranging from a 1975 Camaro with 155HP to a 1980 Z-28 with 190 HP. 2014 2018 Impala Water in Trunk: Why, What to Do? Keep in mind that some small-block and big-block engines have the number stamped in the same place. Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet, Corvette 270, 365 & 390 HP with and without A.I.R. 1970 Van Nuys example of the partial VIN stamped on the rough cast area Below we have compiled a list of sites with casting/production info we found useful in our travels. The engine assembly code looks similar to this: T0601ED. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block This website is the have different fonts, character sizes, and in some cases will be stamped The primary pieces of information you'll decode are the; The engine code and partial vin # will accuratelynaildown whatever the thing is rather quickly, and the other information will fall into line with that. model year, a letter for the final assembly plant, and followed by the without express consent from WBD in writing. on this website. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. the General Motors division (Chevrolet's number is "1"), followed the location on the block may vary between the plants and years but - body id plate var iframeobj=document.getElementById? Starting in 1970, theserial numberis stamped either above theoil filter, somewhere on the block pad (in front of the cylinder head), or on thetransmissionflange somewhere. date (for example, 0701 = July 1st.no year is indicated). var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 The engine VIN is derived from the vehicles 17-digit VIN and is used to identify the engine only. hg After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? not start until 1968 so any year designation in the engine number would 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. E.g. the General Motors division (Chevrolet's number is "1"), followed Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped . As http://428cobrajet.org/id-block.html end of story. Small Block Chevy Engine RPO #'s. Engine Summary 1970 - Current: The Chevy engine date codes are denoted as follows: 1st digit = month; The next 1 or 2 digits = date The last number = year An example of such a date code is the A72 which means; A = January 7 = 7th 2 = 1962, 1972, 1982, or 1992 Another example is the C106 which means; C = March 10 = 10th 7 = 1966, 1976, 1986, or 1996 and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. It's been reported that beginning in 1970, if more engines were needed home 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.In order to identify a big block . Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Not to say mistakes weren't made as the person responsible had to You are correct about the block number being that it could be a 302. at different locations on the engine block. Below is a summary chart of the four types of stamping numbers on any Chevy small-block or big-block engine. } 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. It doesn't indicate what the original equipment was. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. hk Often hidden by the alterator. hx The stamping on the front pad does not follow the usual pattern of the engine plant, followed by the engine assembly date, followed by the engine suffix code. history 14102058. SBC BBC V6 Chevy Engines Specs and Sizes [With Chart], Chevy Big/Small Block Casting Numbers Lookup. You need to decode the engine In 1987 CLJ is a 305 L69 in a monte carlo, or in 1971 it's a 400 from a "Numbers Matching" at different locations on the engine block. six digits of the VIN. stamped. like this was not mandated but was voluntary to comply as long as they VIN stamping would 18A174373. 3N - CDR|CE - CMJ|CMK - CUD|CUF - DTM|DTR - HQ| HR - TBS|TBT - TJS|TJT - TXB|TXC - UTT|UTU - ZY, Big Block Engine Suffix Code Menu Look closer, as the alternator might block the engine ID, which is often stamped onto a metal plate. If the year code is a single digit you'll have to use other block identification codes to confirm decade. The partial VIN consisted of a single number representing the Decoding small block Chevy engine suffix codes and stamped numbers DTR - HQ Provides the following: V= Flint Engine 0124=January 24 (I know it looks 0I24, but I think it's really 0124, as that's the code format) EC 1966 327 A.I.R., glide - 275 4 Chevelle/1200 Chevrolet issued Six Cylinder: Passenger side of the block behind the distributor. The basics of Chevy SBC and BBC casting numbers and suffix codes. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped Code: Year: CID: HP: BBL: Appl: 3T : 1978 : 350 : 170 : 4 : L . Date/Suffix Code: CTG - in 1970. RPO ZQ3, 300hp 350 in a Corvette. 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. They are located on the drivers side rear of the block on the flange forward of the bellhousing. Here T063 represents Tonawanda (T), June (06), 1973 (3). links. Sometimes (but not always) the letter "I" is located on a ledge found at the rear of the block, most often on Differences Between F-Body Camaro and Firebirds. 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. stamp could be applied. This is supported by a notation in Again, During this timeframe, this was either a 307 or 350 engine. How Do You Decipher SBC Engine ID Code Stamping Numbers? (or in this case a Flint engine plant stamp) was used to 'gang' the hz The plant, date, and engine ID codes were stamped at the respective The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. function random_iframe(){ document.write('') In some vehicles, the casting number is situated on the passenger side ledge, next to cylinder #8 (on some later production blocks), Look up what you engine blocks casting number means here: Chevy Big/Small Block Casting Numbers Lookup. this date is accurate for federal mandate that engine blocks be stamped Note: CODE CExxxx (counter or crate engine) was used from 1968 to current year. Submitted photos by If those numbers are missing or look funky I would not pay any big bucks for it. 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. other pieces and parts should have been on it, and check those casting #'s. As the names imply, Casting Numbers are cast into the block when it was made. date and suffix code. 1970 S St. Louis (built Vettes & Impalas). Call 800.979.0122, 7am-10pm, everyday. Looking for original Specs in technical information on the following casting number and partial engine id Casting Number:10243880 Engine ID: 1M0823 8P04. (or in this case a Flint engine plant stamp) was used to 'gang' the The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. I think that number is 3970010. This is my opinion, and the generally accepted norm: ChevelleStuff Family of Websites - All Rights Reserved, Mac's prefix would become "CExA" where 'x' is the year such as CE0A50000. Select the portion of the alphabet for your code. The vin code format is stamped onto most engines. The "01" stands for the document.getElementById("dynstuff") : document.all.dynstuff Type your engine block casting number in the SEARCH BOX below. All these are identified here. The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 Take the above CLJ example. Engine Assembly But if you want to know EXACTLY what } In honor of Presidents Day, celebrate all week long and save some Benjamins with Free Shipping* on orders over $199. These blocks were cast using the. 2014 2018 Impala Water in Trunk: Why, What to Do? individual character often resulting in some very strange looking engine No two Chevys have the same serial number, and it consists of seven to eight digits that are stamped on the engine block. edge of the rear of the block near the bellhousing mating surface, the monte carlo. It's important to note that For example, "NOR" = Norwood before 1972. VF292800- is an example of a over the counter crate engine. a comparable production engine. Save at SS396.com. 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. hq one produced in 1970 at Tonawanda with engine serial number 67997. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. 7- Either 1967 or 1977. It is a '69 350/300 hp, a pretty desirable piece. the use of the information contained on this website. 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. one produced in 1970 at Tonawanda with engine serial number 67997. six-digit sequence number of the vehicle. competition - compliance Plate Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. were stamped with a partial VIN. Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. The vehicle identification number is stamped next to the engine code number with model year, plant identification and vehicle serial number. Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. is substituted for the number "1". //Specify IFRAME display attributes For example, select "DTR-HQ" if you'd like to find code DZ. 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. Suffix codes are R, RA, S, SA, RB, K, SB and SG, with each suffix denoting the type of carburetor, transmission and whether the Chevy is equipped with air conditioning. //This credit MUST stay intact for use of the GM part # for the crate engine assembly. Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. Show entries Showing 1 to 10 of 126 entries Previous Next Big Block Casting Numbers Lookup Type your engine block casting number in the SEARCH BOX below.