Nov 1, 2008 · 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.My understanding is the 3956618 block was used for many high performance 302 and 350 applications beginning around January of 1969 while GM retooled the Flint plant for the 3970010 block. I don't understand the complete history and exact usage, but I believe the 3956618 block was used thru the end of the 1969 model year with a few of …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: Added to DB: December 20, 2010 (4902 days ago) Loaded in 1 ms. There are ...Chevy’s First-Generation Small-Block V8 Casting Numbers. 10036033 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal. 10051182 Small Block V8 2 bolt, Bow Tie block, 3.75-4.30 bore, 1-piece rear seal. 10051184 Small Block V8 4 bolt, Bow Tie, 4.00-4.160 bore, 1-piece rear seal.Q&A: Small Block Chevy Casting Numbers 3970010 - Explained. Camero conv tyz showmethead Q&a: small block chevy casting numbers 3970010 Pulled from 1983 silverado chevy 350 engine motor 4 bolt main block. $199 gm 3970010 chevy engine block tyz corvette, camero or conv. cab.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. That's correct,and you may need to pull the cam gear to see it.It's the nickel and tin content in the block.GM Engine Stamping Info Please. top left "corner" GM 3970010 and in the next "bay" is 11. Pretty sure this isn't a "south of the border" block as no Hecho En Mexico stamping. I was told this is a mid-70's block....true or false? As you can see this was a rather common casting number.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 block used in cars, trucks and even corvettes. Casting number 3970010 is a common small block engine casting. It was used in 1968 on the 327 2-bolt engines used in the "A" body, and it was used as a 350 ...1 post · Joined 2011. #11 · Jul 7, 2011. Ray J Neal said: Based on the suffix TJA I found it is one of two motors. 1973, 160hp conversion cab truck, or 1979, 165hp forward cab w/ AT. Based on the 3998991 heads (1972/1973) I would think it is the 160HP model. So Pretty much LOW compression motor.The first place we typically look is the casting number on the back of the block. There are dozens of numbers used from 1955 through the ’90s, but there are a few standouts that indicate a performance engine. Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank.All 1955 and most 1956 Chevy V-8 engines used an engine plant stamp format like the following: 0I04563F56FG which breaks down to: 0I04563 = the sequence number of the engine F = the engine plant (Flint, Michigan) 56 = model year of engine production G = engine suffix code. Late in the 1956 model year, Chevrolet changed the format of the engine ...Same 441 casting number. Servedio Cylinder Head Development. 631-816-4911. 9:00am - 9:00pm EST. mag2555. Guru. Posts: 4625. Joined: Sun Sep 18, 2011 3:31 pm. Location: Heading for a bang up with Andromeda as we all are.YEARS : CASTING : CID: LOW POWER: HIGH POWER : MAIN CAPS: COMMENTS: 1980-85 : 140029 : 350--2: car: 1973-80 : 330817 : 400--2: car, truck: 1975 : 355909 : 262-- 2 ...Might be hard to find. My understanding is the 3956618 block was used for many high performance 302 and 350 applications beginning around January of 1969 while GM retooled the Flint plant for the 3970010 block. I don't understand the complete history and exact usage, but I believe the 3956618 block was used thru the end of the 1969 model year with a few of the 010 blocksWhat year is the Chevy motor with the casting numbers of gm 3970010? it is a 1969-1979 motor it was used in cars, trucks, and vettes ... What year is your 350 with block numbers vo802ckd casting ...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 ...Check out this quick reference of Chevy V8 block-casting numbers. Bookmark this quick reference guide and check back as needed. Chevy Trucks. Garages. Crate Engines. Crate Motors. Engine Block. Engine Repair. Drivetrain. Chevy Motors. Chevy Muscle Cars. Bruce Bessey. 13 followers. Comments. No comments yet! Add one to start the conversation.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 ...Alan L. Colvin Corvette by the numbers also mentions that the 3970014 blocks were cast at the Tonawanda "metal casting plant" in 1972, however Alan's book also states that there were 5 facilities producing the block and that it is possible that one of the remaining four plants produced the block.These are actually core box pattern numbers for block casting assembly. I will look for the post and add a link to this thread. ... The blocks with the 3970010 casting number, were built 69-80 (and maybe later). They were built in BOTH 2- and 4-bolt versions. ... I have seen GM uses the 010/020 block and the 010 K block. Pre 86We we see a 010 020 block, and for Chevrolet, the 307/350 was a high percentage of engines made in the 70's. At one time, the Chevrolet division had more model engines than all the other GM lines combined. 1960's 70's. Pontiac, Buick, Oldsmobile, Cadillac had mostly one design engine. with 2-3 cubic inch separation 350/400/455 Cadillac 472/500.That casting number is the most common 4" bore block that GM ever made. Depending on your use, the clearance could change. High performance and racing engines usually use clearances a little loose to compensate for higher oil volume and pressures. For a stock rebuild I shoot for between .002 and .003, trying to get right around .0025. GaryThe tough part about understanding engine block code numbers is the fact that these numbers often vary between vehicle makes and models. Check out this guide to help you to underst...The block has the following numbers: On the rear: 40 GM 3970010 B 27 B (the "B"s might be 8's possibly) The block is a 4-bolt. On the front of the motor: V0302TDJ 287170411 <--- This number was very hard to read, it appears to not be stamped very deep. The heads have the following numbers: 3998993 174 GM10 88 Crank is from a 400 - 3951529 ...SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS. Opens in a new window or tab. Parts Only. 5.0 out of 5 stars. 1 product rating - SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS. $750.00. or Best Offer. Free local pickup. 27 watchers.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.If you are looking for information on how to decode the suffix codes and stamped numbers on your small block Chevy engine, this webpage is for you. It covers the codes from TJT to TXB, and explains what they mean in terms of year, CID, application, VIN, HP, and more. You can also find links to other related webpages that cover different ranges of codes. Learn more about your small block Chevy ...Kdemmons Discussion starter. 4 posts · Joined 2020. #1 · Sep 7, 2020. I have a Chevy engine with the casting number 3970010 from I can see they use this for a couple of engines the VIN is v0610chf I can decode most of it except for the hf at the end can anybody help me out. Like.High nickel block.Stud the bottom end,square everything (machine work).I've used this very block in several drag motors.Making 580H.P right now with one thats 7 years going strong...600 H.P is what I'd rate it at pretty easy. (best block to use IMO for a drag app.) with less than 400 cubes. Reply. 07-30-2010, 09:33 AM. # 4.Small Block Chevy Suffix Codes: CE - CMJ. GM body designation. All these are identified . 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 ...Block Number behind the Alternator is 16S406771 V0923CHC I'm trying to find out Exactly what engine this is. I have been on several forums and no one knows for sure what the engine is so Far. ... The whole number is GM 17 3970010 and the Front of the Engine "again" is 16S406771 V0923CHC That's all the numbers I can Find on the Engine. Save Share.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.Block Number behind the Alternator is 16S406771 V0923CHC I'm trying to find out Exactly what engine this is. I have been on several forums and no one knows for sure what the engine is so Far. ... The whole number is GM 17 3970010 and the Front of the Engine "again" is 16S406771 V0923CHC That's all the numbers I can Find on the Engine. Save Share.22 posts · Joined 2012. #3 · Jul 19, 2012. No it isn't. There is no date code or clock on rear of the engine. One forum quoted that GM moved date codes to the side of the block in the 70's. This is passenger side between the core plugs. Block code (in the usual place) confirmed as 3970010 "M" code next to this.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.Jul 19, 2017 ... When we rebuilt a Chevy small-block V-8 and released a time-lapse video of the process, we had no idea how many people would want to use it ...The 3970010 block was used from 1969 through 1975 in, as far as I can tell, only 4-bolt main applications" I have to question the "only 4 bolt" aspect. I have 2 3970010 blocks, one is a 2 bolt from a 72 midsize and the other is the coveted "010-020" 4 bolt block from a 73 1 ton truck.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 ...1 post · Joined 2011. #11 · Jul 7, 2011. Ray J Neal said: Based on the suffix TJA I found it is one of two motors. 1973, 160hp conversion cab truck, or 1979, 165hp forward cab w/ AT. Based on the 3998991 heads (1972/1973) I would think it is the 160HP model. So Pretty much LOW compression motor.I have a 4 bolt main,apparently 350 with the # XXXXX:vc011tbc,and,3970010.Heads have #3878487. Iwas told this is a 1969-1979, out of a car truck or vette.Any help would be greatly appreciated.I'm building a 383 stroker ,and need to know if it's a good block,and heads to use. Thanxxxx.Mar 23, 2005 · i was under the impression that this particular block casting 3970010 was some how stonger than other blocks high nickel or not. most of the casting number index sites show this number as "Heavy duty truck block hi perf ECT" they both came from circle track cars there must be some reason they were prefered not just for the nickel and tin content. am i incorrect.Good info for Chevy small block motors. Small Block Chevy Engine Block Identification --- DAN ---1978 FJ40. R. RMC73FJ40. Joined Sep 5, 2007 Threads 5 Messages 148 ... In bright sunlight with glasses on the number is 3970010. Not 387etc. Thanks for all the help. BigJim . R. RMC73FJ40. Joined Sep 5, 2007 Threads 5 …The casting number on the left side by the distributor is: "14010207" I need to know the details of the engine. (Where it was made. Is it from a car or truck … read more. BigBlock434. Technician. High School or GED. 288 satisfied customers. Gm casting number 3970010, 350 4 bolt mail block. Need car detail.The first place we typically look is the casting number on the back of the block. There are dozens of numbers used from 1955 through the '90s, but there are a few standouts that indicate a performance engine. Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank.Block casting code should be 3970010- This block was used in the 350 200 hp and 255 hp. Stamp pad: the 12s500560 is the part of the vin number of the vette. it would have been the 560th vette made that year. The 1 is probably a K meaning 350 200 hp. CKX means 350ci , 200hp with auto.Manufacturer Part Number. 3970014. eBay Product ID (ePID) 654700723. Product Key Features. Vintage Part. Yes. Show More. Show Less. ... $249.00. item 2 SBC 350 V8 ENGINE MOTOR 3970010 2 BOLT MAIN SMALL BLOCK CHEVY 30 OVER 1979 TMH SBC 350 V8 ENGINE MOTOR 3970010 2 BOLT MAIN SMALL BLOCK CHEVY 30 …What year is the Chevy motor with the casting numbers of gm 3970010? Updated: 10/20/2022. Wiki User. ∙ 13y ago. Study now. ... What year is the Chevy motor with the casting numbers of gm 3970010?Find many great new & used options and get the best deals for Pair of GM 1972-1975 350cid Cylinder Heads Part#3998920 at the best online prices at eBay! Free shipping for many products! ... Manufacturer Part Number. 3998920. eBay Product ID (ePID) 741136057. Show More. Show Less. ... Chevrolet Small Block. 5.0 out of 5 stars based on 85 product ...from Sierra Vista AZ. mortec will tell you it's a 1969-79 350 or a 69 302, based on the casting number. not much help, really. squirrel, Apr 6, 2006. SHARE POST #8.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. ... 3970010: 302: 69: Camaro Z/28 - 4 bolt main bearings: 3970010: 327: 69: 2 bolt main bearings - trucks: 3970010: 350: 69 - 80: 2 or 4 bolt main bearings: 3970014: 350: 70 - 76:Mar 10, 2019 · 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.As far as the 3970010 myth and high nickel, I don't buy that ***** myself. Especially for as long as that block was produced. A 68-72 block I might buy into some of it, but nickel content was cut down year after year. 3970010 is just that, a CASTING #. The # to the mold, not a thing to do with the melecular structure of the block build.Decoding/Numbers » 3970010 engine decode help ... 2018, 02:18:23 AM » I acquired what I was told was a 1969 350 that was taken out of a 1956 Chevy Belair in good running condition to be replaced with a 383 and 5 speed. Casting number - clearly 3979910 ... This block is from the 70's. The VIN derivative is probably under the paint on the stamp ...Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.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 ...These are actually core box pattern numbers for block casting assembly. I will look for the post and add a link to this thread. ... The blocks with the 3970010 casting number, were built 69-80 (and maybe later). They were built in BOTH 2- and 4-bolt versions. ... I have seen GM uses the 010/020 block and the 010 K block. Pre 86chevy 350 dipstick location. I just bought a chevy 350 as a builder. Complete long block for $100. Any way I got the motor out of a 1982 el camino. I don't think it was original, i.e. they only came with 305's that year, as far as I know. The casting number on the block is 3970010. From the stuff I read it could be a 1969 to 1979 350 2 or 4 ...Chevy Small Block Engine Chevrolet Casting Number 3970010 Plus Gearbox. Check Details. GM 3970010 - 4 Bolt Main Block Original Chevy 350 Motor Engine for Sale. Check Details. $199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. cab. Check Details. Q&A: Small Block Chevy Casting Numbers 3970010 - Explained. Check Details