The number itself can have 6, 7 or 8 numeral digits. They might look like this “361959” or “3970010” or “14015445”. The block casting numbers do not have any letters in them. There are sometimes other individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block ...Updated: 9/19/2023. Wiki User. ∙ 13y ago. Best Answer. GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt ...The #3970010 block casting number is for a 4.00" bore block, so because of that block casting number and the 4.00" bore that eliminates the chance of it being a 305. You've got a 1974 350, likely a 4-bolt main as it was for HD and Police use and came with a Turbo Hydramatic 400 transmission. ... How to decode Chevy Engine Codes . Save …My 3970010 350 block is a 10 and I'm sure it'll wear just fine as most blocks of that era were 10's. '72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water pump, Holley ...Details for 3970010; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1969-1980: Notes: 350, 2 bolt or 4 bolt, may be mistaken as 8970010: …A discussion thread about a Chevy block with casting number 3970010, which can be a 302, 327, or 350 engine. Users share their experiences, tips, and questions …Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.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 Select Block Casting Group ALL Block Codes 262, 265, 267 302, 305 or 307 327 350 400Apr 14, 1999. 25,167. Bismarck, North Dakota. They are basically the same. Chevy made both castings and used them pretty much interchangeably over the years. The 3970010 seems to have been made in much larger numbers than the 3970014. Jan 15, 2008. #3.... block Engine, Chevy 350 short Block Engine for sale, GM 350 Engine, GM3970010, Remanufactured GM Chevy 350 Short Block for Sale, Short Block. Description ...Chevy Small Block Engine ID Your Chevrolet small block engine comes with two sets of codes: the engine code and the partial VIN code. Each one can tell you a lot about your engine. Let’s find out what you can learn and how to decode each one! Engine Code Your engine code is an eight-digit number found on the passenger side of the engine.Same engine the stamp number passenger side front behind alternator on the block is T51509012 Any help would be appreciated . Reactions: crunchyg. TXK20 New Member. Joined Jan 3, 2015 Messages 10 Karma 1 Location Dallas, TX Car '82 Chevy K20 Jan 3, 2015 #2 Casting No. 3970010 = '69 327 from Camaro, '69 327 from trucks and …3970010 - This is a small block V8 engine that was produced from 1969 to 1980. It was used in a variety of GM trucks, including the Chevrolet Camaro, Corvette, and Nova. 14015445 - This is another small block V8 engine that was produced from 1975 to 1985. It was used in the Chevrolet C/K truck and the GMC Sierra.The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. The engine VIN also contains six digits that are used to denote the last six digits of the vehicle’s VIN. The engine’s VIN is important to some ...Order Status. 69 Camaro Z/28 302 DZ complete engine. This is the real deal, black casting # 3970010 casting date E 14 9 (May 14, 1969), engine stamp code V0527DZ (May 27). Cylinder heads casting # 3927186 …Gm 10066036 block or 3970010. General engine tech -- Drag Racing to Circle Track. Moderator: Team. 8 posts • Page 1 ... are only sand core identification numbers. The 010 is a side core for a small block chevy, and it does not guarantee that the block is a 4 bolt or not. Most were 4 bolt blocks, but some 2 bolts were built with 010 …The #3970010 casting block is the most common four-inch bore block ever made. It comes from a 350 and likely has a forged steel crank, but the heads are terrible for performance improvements. The design uses 1.72-inch intake valves, measuring out to around 8.2:1 when appropriately installed.The great American sports car is going electric. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. The great American spor...Block is a 3970010 , opposite side of block is stamped G17 ... 18C122629 means=1=Chevy, 8=1968 probably, C=Southgate, Cal, a full size chevy plant IIRC, the rest are ...Quick example to help show what the markings on your engine mean. Your engine may have other numbers or symbols but this should help in a broad sense.Here is...Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars - Project Cars - Farm TrucksSee full list on chevygeek.com 3970010 is a 4.0" bore block, used to make 350's mostly (1968-1979), two years (1968-69) of large journal 327's and one year(1969) of 302's. The "high nickel block" thing is an car magazine/internet myth that just won't die, one of our members here and on other forums who worked for the GM casting plant in Flint, Michigan back in those days explained it all, the "010" and "020" cast numbers ...Can’t find in list block casting number 3999289 from a 1974 chevy corvette. Code number T0319TRJ also has- HI PER cast in block. This is supposed to be the stock engine that came in the car.Block Casting Number = 3970010; 1969-1979, 302/350 cid, car & Truck, 2 & 4-Bolt Mains, 4 Bolt Most common. This covers a huge array of engines. An interesting thing happened in Chevy plants sometime during the 1971 model year production; early in 1970, Congress past a law requiring all U.S. auto manufacturers to standardize the …Aug 5, 2015 · This is the cylinder block in the 57 wagon in my profile photo. I took the pictures during final assembly of the engine. It is important to note that this block is NOT a 4 bolt block. It is a 2 bolt original 327 block, although I understand that 3970010 was also used for 302's and 350's which also have a 4" bore. Driver. If this listing is still up it's still available!! Chevy stock 350 small block 4 bolt main. Was rebuilt at one time yhen pulled for different engine. Has been sitting in garage since 2004. Was running when pulled. Comes with felpro complete gasket set and the original 2 barrel intake and carburetor and headers. Serious Inquires ONLYSBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS. carstarzautosalesllc. (131) 100% positive. Seller's other items. Contact seller. US $1,200.00.These numbers are from the front pad. 21B650536 K04 17 CTL. This block is a 2 bolt main and has the 3970010 cast in the back of the block then up above that is K 9 cast into the block. I looked up the head casting numbers 3998920 and it said they are 72-73 350. The intake valves are big on these heads.I have a 3970010 block in my 69 camaro that is stamped "CEB1362" on the pad behind the alternator. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! ...SBC 350 Bare Engine Block Casting # 3970010 4 Bolt Main Machined and Painted. stoversps (174) 100% positive; Seller's other items Seller's other items; Contact seller; US $1,250.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit * …44 posts · Joined 2004. #1 · Feb 20, 2005. Hi everyone. I am going to purchase an engine with 3970010 as the casting numbers on it. The books indicate that this block could be a 302, 327, or 350. It is a four bolt main and my goal is to convert this block into a 383.There are no interchangeability issues between small block passenger car engines and truck engines in 1970, if that's your question... Casting number 3970010 was used from 1969 - 1979 on the 350s that were used in cars, trucks and Corvettes. It was also used on 1968 327's, so be sure to check the date codes.Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars - Project Cars - Farm TrucksProduct Summary. 350. Complete rebuild assembly kit for 1969-Up Small Block Chevy Engines. New high tech, internal balanced, fatigue resistant 80-60-06 cast steel crank with near forged endurance. These 5140 forged steel claimer I-beam connecting rods - Press fit style wrist pin bore. Keith Black economy pistons feature coated skirts, wrist pin ...Get ratings and reviews for the top 11 gutter guard companies in Chevy Chase, MD. Helping you find the best gutter guard companies for the job. Expert Advice On Improving Your Home...Mar 11, 2009 · 1 post · Joined 2010. #6 · May 15, 2010. i have a small block 3970010. lg1969 said: It's used on 69' 302 Z/28 4 bolt main. 327 truck and industrial. 350 from 1969 - 1980. The block can be either 2 or 4 bolt main. You have to look at suffix letter in front of the block on the pass. side. Behind the alt. The chance of it being a 302 is almost nil, and it being a 327 is almost as small. The 3970010 casting number was most commonly used to build 350s. Chances are probably 99.5% that its a 350. Also, he said he got it out of a truck so that eliminates the 302 and almost completely eliminates the 327. Dustinweaver, what year truck did you …First, small block chevy block castings changed certain features over the years, and early model 3970010 blocks had a longer pad in the numbers-stamping area in front of the passenger cylinder head. The short, almost square pad you show in your photos is from mid-to late 1970's.1968 3970010 327 2 bolt. This is a side post from my original post about my motor. Everybody knows the 010 block was used on 69 to 79 350s. Everybody do some research and let me know what you find on a rare 010 block 327 2 bolt built in 68 what they were in and maybe how many were produced if any. Keep and open mind and search more than …Was also used for some CE replacement blocks: 3959538 : 327 : 2 : Chevy II recessed oil filter boss, Used for some Chevy II CE replacement blocks: 3970010 : 69 : 302 : 4 : Z …Sep 19, 2023 · Updated: 9/19/2023. Wiki User. ∙ 13y ago. Best Answer. GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt ... OEM SBC HP Rating 3970010. I have a high nickel 010 block casting number 3970010, that is at the machine shop right now. It's a 4 bolt block NOT splayed, with stock caps. I hear they are good for about 850 hp at the crank and the main webbing is critical after that. I am putting a callies compstar crank and rods in it with JE slugs.looking for id information on my small block chevy egine numbers. the block casting number is XXXXX the block number is XXXXX … read more. RICK. Service Director. High School or GED. 423 satisfied customers. Gm casting number 3970010, 350 4 bolt mail [email protected]. 9732 posts · Joined 2002. #2 · Mar 15, 2014. Early large journal 4" block. Produced in both two and four bolt mains. Cast in Saginaw, Michigan and machined/assembled in Flint, Mi. Companion block to 3970010.Chevy Small Block Engine Casting Codes. First Generation Pictures; ... Passenger/Chevelle/Chevy II/Corvette/Camaro : 3970010 : 1970-80 : 350 : 145-350Hi guys, hoping someone can set me straight about the block I have. I have a bare block that has casting number 3970010, it is a 4 bolt main block with the main caps stamped 2842, it also has 010 buy the oil filter housing which means 10 percent more iron or nickel which should mean a better block. However these blocks were 302 in 69 and …3970010 is a 4.0" bore block, used to make 350's mostly (1968-1979), two years (1968-69) of large journal 327's and one year(1969) of 302's. The "high nickel block" thing is an car magazine/internet myth that just won't die, one of our members here and on other forums who worked for the GM casting plant in Flint, Michigan back in those days explained it all, the "010" and "020" cast numbers ...A popular car modification is the stereo system. Replacing the stereo enables the car owner to add an aftermarket stereo with a number of features such as MP3 players, Bluetooth co...Find the casting number of your Chevy block by year and model. Small Block blocks have casting numbers from 330817 to 3970010, while Big Block blocks have casting numbers from 393288 to 393288. See the comments and details of each casting number on the web page.Loads of 2 bolt small blocks were raced all through the 60s. The dz 302's although rated at something like 290 hp actually ran over 400 hp. I beleive they were 2 bolt in 67 and 68. The ticket is in using the right parts (like a forged crank and rods) and a meticulously ballanced bottom end.3970010 sbc id. I found a block and cant fint proper info on it. 3970010 on back of block. Pad in front of passenger side head. has B&B on way left side and 1022 on far right side. Front and rear mains are 2 bolt, rest are 4 bolt. By oil filter it has 010 then 020 then 167, under timing chain cover. is 010 then 509 then 020 with other #s ...The 2014 Chevy Equinox is a reliable and dependable SUV that has been a favorite among drivers for years. But how long can you expect it to last? Here, we’ll explore the expected l...7034 posts · Joined 2011. #8 · Jul 10, 2019. 3970010 = 68-80 350 2 or 4 bolt main 4 inch bore. J67= October 6 1967, or 1977. This block was not cast in 67, so that leaves 77. If it says hecho in mexico on the …The number itself can have 6, 7 or 8 numeral digits. They might look like this “361959” or “3970010” or “14015445”. The block casting numbers do not have any letters in them. There are sometimes other individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block ...3914678 is the casting number for a 68 MO block and is a 2 bolt block. 3932386, 3956618, 3970010 were used for the 69 DZ block and were all 4 bolt blocks. All the above block casting numbers were ALSO used for 327 motors. Check the numbers and good luck . Gold Founding Member #158 Old Blue The TC Search >> HOW-TO TC …Mar 21, 2019 ... ... I use that has always worked for me in identifying a 4 bolt main small block. small block Chevy, v8, 4 bolt main, sbc, hot rod, engine, diy.SBC 350 Bare Engine Block Casting # 3970010 4 Bolt Main Machined and Painted. stoversps (174) 100% positive; Seller's other items Seller's other items; Contact seller; US $1,250.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit * …Yes, 3970010 is the Z-28 302. Also used in 350 applications for the Corvette, camaro, Chevt II, Chevelle and passenger. It was also used as a truck block. So yes, the Block number itself does not make it a Z-28. And as mentioned, the VIN Suffix is what makes it so. The vin stamp will use the Suffix DZ and only DZ.Was also used for some CE replacement blocks: 3959538 : 327 : 2 : Chevy II recessed oil filter boss, Used for some Chevy II CE replacement blocks: 3970010 : 69 : 302 : 4 : Z …casting number 3970010 is a 350 block from 1969 - 1979 but in 1969 302 and 327 have the same casting # and im not to sure about the other # What year is a 350 Chevy engine with casting number ...SNTAuto Discussion starter. 1468 posts · Joined 2011. #1 · Jan 12, 2013. I would like to know for sure what I have. It is a casting 3970010 block. Thepan is off and is a 2 bolt main. Is there any way to know if its a 302, 327 or 350 or did they all use the same crank and rods. Its deck has been milled so no numbers to get on right front side.The Chevy 6.0 liter small block engine is an eight-cylinder engine aligned in the V formation and is called the Vortec L96. As of 2015, it is used primarily in Chevy’s heavy-duty t...Yes, Please make this my home page! Small Block Chevy Bore & Stroke Specifications. *Production of 305 car engines ended in 1992. +Production of 350 car engines ended in 1997. Small Block Chevy Casting Numbers. * Sometimes machined for 2-bolt mains. Note 1: Small-journal 302-CID engine uses 327 block.Fresh 69 Camaro Z/28 302 DZ complete engine. This is the real deal, black casting # 3970010 casting date E 14 9 (May 14, 1969), engine pad stamp code V0527DZ (May 27). Cylinder heads casting # 3927186 casting date E 27 9 (May 27, 1969). More pictures and details coming soon. This is a great complete engine. Real four bolt main, correct original ...Yes, Please make this my home page! Small Block Chevy Bore & Stroke Specifications. *Production of 305 car engines ended in 1992. +Production of 350 car engines ended in 1997. Small Block Chevy Casting Numbers. * Sometimes machined for 2-bolt mains. Note 1: Small-journal 302-CID engine uses 327 block.See full list on chevygeek.com Thats a common high nickel block.Should have an 010 under the timing cover.Good block a 2bolt one of these is better than a 4 bolt newer block were they skimpt on materials. The heads are good factory heads for mild performance if you can redo them with just guides and a valve job go for it if they need seats etc...look for something better.re: 3970010. Can you post the id letters and numbers that you see on the engine block on the the small extension of the block surface just below and ahead of the head on the passenger side. I have some books that might reveal some info re: the year of the engine. BTW my own 383 stroker has a number that I cannot seem to find anywhere yet.Chevy 350 Details about GM 3970010 Small Block Chevy 350 Bare Block 4 Bolt 4.030 Bore I-20-6 Date. Where is the serial number on an engine block? The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine.350 Rebuilt Chevy Small Block Engine Block # 3970010 with Edlebrock Intake Manifold This engine is in good rebuilt condition. The intake manifold is made by Edlebrock. This item is listed as Pick Up Only, but if you are interested in it and are willing to pay for the cost of shipping, please send me a message with your zip code and I will find ...Big Block Chevy Dart 308, 320, 340, 360, 370, PRO1, Iron Eagle Step 1: For best results, it is necessary to check the stud girdle for fit before final installation. The stud girdle is designed to fit only Dart 308, 320, 340, 360, 370, Pro1, and Iron Eagle cylinder heads. The application is stamped on the stud girdle.Chevy 350 Details about GM 3970010 Small Block Chevy 350 Bare Block 4 Bolt 4.030 Bore I-20-6 Date. Where is the serial number on an engine block? The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine.Apr 27, 2006 · Re: how much can a 3970010 block handle, it has the 010 high nickel casting I copied this info from a post at HOT ROD, earlier this year. It said that the figures were aquired from SUPER CHEVY, POP HOTRODDING, and some local shops. None completely agreed, so lower values were used and rounded down. 2-bolt w/ OE main bolts = 400hp Loads of 2 bolt small blocks were raced all through the 60s. The dz 302's although rated at something like 290 hp actually ran over 400 hp. I beleive they were 2 bolt in 67 and 68. The ticket is in using the right parts (like a forged crank and rods) and a meticulously ballanced bottom end.Updated: 9/19/2023. Wiki User. ∙ 13y ago. Best Answer. GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt ...Was also used for some CE replacement blocks: 3959538 : 327 : 2 : Chevy II recessed oil filter boss, Used for some Chevy II CE replacement blocks: 3970010 : 69 : 302 : 4 : Z …Sep 19, 2023 · Updated: 9/19/2023. Wiki User. ∙ 13y ago. Best Answer. GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt ... [email protected]. 9732 posts · Joined 2002. #2 · Mar 15, 2014. Early large journal 4" block. Produced in both two and four bolt mains. Cast in Saginaw, Michigan and machined/assembled in Flint, Mi. Companion block to 3970010.Joined Aug 19, 2002. 35 Posts. #51 · Oct 5, 2008. SBC #3970010 is this a good block. If it is actually a 69 model and it appears to be that then here is the GM info for that HV designation: HV 1969 350 255 4 turbohydro 350 This would then go along with your saying it has dish pistons and big chamber heads.These numbers are from the front pad. 21B650536 K04 17 CTL. This block is a 2 bolt main and has the 3970010 cast in the back of the block then up above that is K 9 cast into the block. I looked up the head casting numbers 3998920 and it said they are 72-73 350. The intake valves are big on these heads.the year specific should be on bell housing flange at top of block behind distributor, will start with a letter ,a= january,b=feb etc,the second and third will be digets,the second ones are the day and third diget is the year so if the last diget is a6 it would be a 76 block..your engine is a 350 1969-1979 with 200,255,270,300,330,350,370 horse …Oct 14, 2015 · Looking to ID further. Looking at a Chevy engine with the 3970010 casting number and trying to find out more info. The numbers on the machined pad on the front passenger side of the block are 151420105 K10 3P CMJ. From the info I'm looking at the CMJ means "1974 350 T400 Police" or "1980 305 full size/Camaro", but shouldn't the 9 digit VIN code ... Casting number 3970010 is a very desireable block it is a 4 inch bore used for late 327s, Z28 302s, and heavy duty 350s used as performance, truck, and industrial engines. They all vary as to being 2 or 4 bolt mains. The 2 bolt blocks can be converted to 4 bolts with all the strength of factory 4 bolt versions. These are very frequently found ...Learn about the history, features, and problems of SBC #3970010, a four-inch bore block used in many Chevy vehicles. Find out how to identify, repair, or replace this engine block if you need it.Chevy By The Numbers indicates the 3970010 block came into production in April or May, 1969, and was used through 1975. The E69 date is May 6, 1969. It was used for 350 applications in full size Chevrolet, Chevelle, Nova, Camaro (350 & 302) and Corvettes. It was also used in trucks. Hope this helps. Bob. 62 Acadian cvt sold. 63 …Apr 11, 2021 · Chevy 350 Details about GM 3970010 Small Block Chevy 350 Bare Block 4 Bolt 4.030 Bore I-20-6 Date. Where is the serial number on an engine block? The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine.
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The #3970010 casting block is the most common four-inch bore block ever made. It comes from a 350 and likely has a forged steel crank, but the heads are terrible for performance improvements. The design uses 1.72-inch intake valves, measuring out to around 8.2:1 when appropriately installed.Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.Yes, 3970010 is the Z-28 302. Also used in 350 applications for the Corvette, camaro, Chevt II, Chevelle and passenger. It was also used as a truck block. So yes, the Block number itself does not make it a Z-28. And as mentioned, the VIN Suffix is what makes it so. The vin stamp will use the Suffix DZ and only DZ.Small Block Chevy BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan.SBC BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block cast. It has ...See full list on chevygeek.com Mar 11, 2009 · 1 post · Joined 2010. #6 · May 15, 2010. i have a small block 3970010. lg1969 said: It's used on 69' 302 Z/28 4 bolt main. 327 truck and industrial. 350 from 1969 - 1980. The block can be either 2 or 4 bolt main. You have to look at suffix letter in front of the block on the pass. side. Behind the alt. 44 posts · Joined 2004. #1 · Feb 20, 2005. Hi everyone. I am going to purchase an engine with 3970010 as the casting numbers on it. The books indicate that this block could be a 302, 327, or 350. It is a four bolt main and my goal is to convert this block into a 383.Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.If you’re in the market for a new or used Chevrolet vehicle, it’s important to find a reputable dealership near you. With so many options available, it can be overwhelming to choos...Details for 3970010; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1969-1980: Notes: 350, 2 bolt or 4 bolt, may be mistaken as 8970010: …Nov 16, 2006 · J. javamxcars Discussion starter. 7 posts · Joined 2006. #1 · Nov 16, 2006. I speak with a lot of friends , and the opinon is the same , the question is: the chevy block 3970010 with number 010 .020 is for the nickel ,ok is it for 1% tin and 2% nickel or is 10 % tin and 20% nickel ? Like. Sort by Oldest first. The #3970010 casting block is the most common four-inch bore block ever made. It comes from a 350 and likely has a forged steel crank, but the heads are terrible for performance improvements. The design uses 1.72-inch intake valves, measuring out to around 8.2:1 when appropriately installed.My 3970010 350 block is a 10 and I'm sure it'll wear just fine as most blocks of that era were 10's. '72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water …010= 3970010, 350 509= 3951509, 400 020= 3970020, 307 IMO this proves even more, the number on the front sand molds correlate with the casting being made. No more, no less. The front half of the Gen1 SBC are the same. The block molds are put together with multiple pieces to make the casting.All 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 ...looking for id information on my small block chevy egine numbers. the block casting number is XXXXX the block number is XXXXX … read more. RICK. Service Director. High School or GED. 423 satisfied customers. Gm casting number 3970010, 350 4 bolt mail block.The block is a 3970010 350 and I will go from there. When i dissassembled the engine I found that the engine had been rebuild already with very low miles on it. The inside is a clean as if I just built it, there is …I have a 3970010 block in my 69 camaro that is stamped "CEB1362" on the pad behind the alternator. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! ...A user asks how to identify the model of a Chevy block with casting number 3970010. Other users suggest checking the stampings on the front pad, the crankshaft journal, and the bore and stroke measurements.The chance of it being a 302 is almost nil, and it being a 327 is almost as small. The 3970010 casting number was most commonly used to build 350s. Chances are probably 99.5% that its a 350. Also, he said he got it out of a truck so that eliminates the 302 and almost completely eliminates the 327. Dustinweaver, what year truck did you ….