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 ...help with 3970010 block. ... Numbers cast into the shaft between lobes are L15, then GM21, then 2182 The lifters have a snapring in the top, so that would mean they are hydraulic, right? ... Cam is a GM LT-1 (solid lifters), cast in December, 1975 (service part). Block was made at McKinnon Industries (Canada), cast November '73. :thumbsup:Yes, one of the most durable low perf block and head combos GM ever made. Reply Like 05-03-2010, 02:32 PM #3 jim lockwood ... To 4 bolt main GM 3970010. Subscribe Reply Subscribe . Tags. 338882, 3970010, 41, 42, bolt, chevy, corvette, engine, gm, gm3970010, good, head, heads, main, remanufactured ...3970010 is a 350 from 69-74. Are there any other numbers and letters in the front pad? From what you've provided, this is what I came up with but others may have a different origin and date: K = St. Catherines, Ontario (some GM engines were cast in Kosai, Japan [K] however for this block, I highly doubt it) 09 26 = September 26Only show this user. #1 · Dec 10, 2014. Im trying to verify my numbers/facts before looking at a possible purchase. Are these the correct casting numbers for a 69 302. Heads: 3927186. Block: Before April of 69 3956618, After April 69 3970010. Crank: 1178. Intake: 3932472.Second Generation Camaro Z28 Engines - LT1 Specifications. 1970 engine is used as the baseline. 1971 & 72 will be identical except where noted. 1971 had compression dropped from 11.0:1 to 9.0:1 by using different pistons and bigger CC cylinder head. 1972 is identical to 1971, except horsepower dropped 10 and rating was changed from GROSS HP to ...Sep 15, 2022 · The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Below is the meaning of each of the letters and numbers in the engine serial number: 1st letter = assembly factory. 2nd and 3rd digits = month of the assembly. 4th and 5th digits = day of the assembly.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 NO top edge on the cylinders and the bearings look great. The pistons look like new except for the carbon on top and are stamped .040.34081 posts · Joined 2000. #2 · Jan 23, 2011. Block casting was common for both CID's. 327 would be MA or ME, 350 would be MS or MU, depending upon trans used. This two letter code is located on the front of the pass side head deck - VXXXXMX. Above only applies if engine is a '68 Camaro. Give a man a rescued dog for the health of both their ...Apr 14, 1999. 25,179. 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 …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.11400 posts · Joined 2002. #4 · Aug 29, 2004. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship.Tags Chevy 350 ... Chevy motor with casting numbers 3970010 a 327 or 350? Updated: 9/23/2023. Wiki User. ∙ 11y ago. Study now. See answer (1) Best Answer. Copy. That should be a 4 bolt main 350.Reference: Chevy V8 Engine Block Casting Numbers. By Bobby Kimbrough September 19, 2013. ... 3970010 Small Block V8 1969 302, 4 bolt, Camaro Z28 . Drawing of an LS6 Small-Block Chevrolet engine. LS-Based Small Block Casting Numbers. 12550592 LS Small Block V8 1997-up 346, LS1.The 3970010 engine block casting number does not mean 350. It could be a 327, 307 or 350, 2 or 4 bolt main from 1968 thru 1978. All it can tell you for sure is that the block is a 4 inch bore. However, if you are a betting man, you would most likely win guessing 350 because it is the most common casting number for a 350.Chevy block small casting 700r4 gearbox chevrolet engine plus numberCasting chevy number gearbox 700r4 chevrolet block engine plus small 350 sb chevy complete engine$199 gm 3970010 chevy engine block tyz corvette, camero or conv. cab.The casting number on Chevy V8’s is located on the drivers side of the engine where the block is connected to the bellhousing. It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. That block casting number was …The exact same blocks running down the exact same assembly line were drilled both ways. 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.I got a freebee block that I am trying to sell but I nned to ID it first. The casting number is 3970010, and the code stamp/suffix is V0709HV. From what I found the casting number indicates it is 1969-79 350ci for a car, truck, or Vette. But then the suffix code indicates it was built July 09, 1965 and is from a 327ci Vette.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 ...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 '41' on your block is called "pattern serial number 41". The foundry poured 2 castings per cask (in this case, it would have been series 21, patterns 41-42). Reason is that GM engineering was constantly making refinements to every block. If successful, the blocks were approved for the line. If not, they were destroyed.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.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 383.4 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. Sort by Oldest first. ExcellenceAuto. 2167 posts · Joined 2016. #2 · Sep 7, 2020.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.This is what i have on you #s 3970014 block =350 1970-1976 can either be a 2 or 4 bolt engine. don't about the 200hp. Cole. Like. C. Canuckcamaro Discussion starter. 32 posts · Joined 2011. #3 · Mar 10, 2011. Yeah that is what i have come up with also but there's a few.The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. ... Chevy Small Block Engine Suffix Codes [T-TZZ] Code: Year: CID: HP: BBL: Appl: T9N : 1985 : 305 : 4 : Roch E4ME ...The numbers you are talking about (010, 020) 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 side cores, or whatever side core was available.Oct 6, 2010 · 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.May 25, 2018 ... ... ford fe engines rebuilding g35 engines rebuilding gm ls engines rebuilding small block ford engines tools for rebuilding engines.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 400SB BLOCK Casting Number CID Years HP Comments ... 3970010 302/350 69-79 145-370 car & Truck 2 & 4-Bolt Most common ... "The 267 was introduced in 1979 for GM F-Body(Camaro), G-bodies (Chevrolet Monte Carlo, El Camino, and Malibu Classic) and also used on GM B-body cars (Impala and Caprice models). ...Engine Families. This article covers a number of Ford V8 engine families. They are: Y-Block small-block: Produced in the US from 1954 until 1964, the Y-Block was the small block replacement for the Flathead V8 and is where this article starts. Common factory displacements ranged from 239 cubic inches to 312 cubic inches.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 one site.The "C5F" number string is "C"=Chevrolet, "5" = year ending in 5....so with an 3970010 block being '68-80 years of use, it is an 1975 Engine. "F" = Flint Engine plant. The 333882 head castings are among the top three WORST ever produced for the SBC. Very thin, crack prone castings.3109 posts · Joined 2010. #2 · Jan 18, 2011 (Edited) .060 is the max safe overbore. Don't go all the way to 60 over for the first build though. Go 30 over this time and then 10 over for each rebuilt after. If you go 60 over now then when it comes time to rebuild you will be screwed and have to buy a new block. Like.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. 10. #Lemanster: Our Ultimate Road-trip Cruiser Build!With the exception of a "010" and "020" found under the timing cover and on the back of the block near where the starter mounts. The 010/020 indicates the 'formula' used for the casting (% of tin and nickle) [This message has been edited by Marv Davis (edited May 15, 2001).] May 15, 2001. #3.Casting number on the rear of the block is 3970010, which supposed to be a 350 Blok and may well be. But the stamping on the pad is ML26800, which is supposed to be a Mexico 327 275 hp but I really don't know one from the other. ... The 3970010 casting was introduced by GM in 1969 and was used through 1975. It was produced in both 2 …How to find out the CID of a 3970010 engine number identification. 3970010 shows 68-1969 327 2 bolt and also shows 69-1979 3970010 350 185 370 2. This id # located on drivers side rear engine block stamped on pad. R.S.rear engine block has c-110 on it and R.S. front engine block has 12347 and drivers side of block 371 and 386 and 11618N suffix ...How to find out the CID of a 3970010 engine number identification. 3970010 shows 68-1969 327 2 bolt and also shows 69-1979 3970010 350 185 370 2. This id # located on drivers side rear engine block stamped on pad. R.S.rear engine block has c-110 on it and R.S. front engine block has 12347 and drivers side of block 371 and 386 and 11618N suffix ...The casting number on Chevy V8's is located on the drivers side of the engine where the block is connected to the bellhousing. It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. That block casting number was also ...Re: Engine Casting Block #3970010. 02-12-06 09:07 PM - Post# 873994. In response to joeysworld. The difference is the suffix code on the block. Could be a 145 HP 350 from a 1975 caprice. Could be a DZ 302. The difference is the code on the front of the passenger side. Just above where the water pump bolts.Only show this user. #1 · Dec 10, 2014. Im trying to verify my numbers/facts before looking at a possible purchase. Are these the correct casting numbers for a 69 302. Heads: 3927186. Block: Before April of 69 3956618, After April 69 3970010. Crank: 1178. Intake: 3932472.69 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).All GM block castings have a date code. On small blocks it is generally located on the flange of the block where the bellhousing bolts and to the rear of the distributor. ... The number should actually be 3970010 and was in use from 1968 through 1979 but was sold well into the late 80's in the service block and targetmaster engines. All it ...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 ...Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars ... Chevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings are always a work-in-progress. If you have any documented info that can be added to these pages, ... 3970010: 350: 69: Corvette: 4-bolt main, late 69: 3970010: 302: 69 ...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 ...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.chevy heads cant find id number match. Thread starter racecar37; Start date Jun 11, 2013; R. racecar37 Rookie. Jun 11, 2013 #1 hi i just got a Chevy motor and I'm trying to check id numbers block is 3970010 and intake is 340261 found these the heads are 3888820 cant find this anywhere i have looked anybody have answer? thanks for looking . rc ...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 ...3970010 350 69-79 Pass, Chevelle, Camaro, Nova, Monte Carlo 2 & 4 Bolt Main. 3970010 350 70 Corvette 300, 350, 370 HP Bolt Main. 3970010 350 71 Corvette 270, 330 HP, 4 Bolt Main. 3970010 350 72 Corvette 200, 225 HP, 4 Bolt Main. Need another set of numbers to identify for sure. 17J15300jb is to short for a vin number.Engine casting # 3970010--how to find the year. Thanks to some GREAT help, I found my engine casting number. By looking on the web pages some of you guys suggested, that number was used on 350's from '69 to '80 (also on '69 302's and '69 327's), both 2 and 4 bolt.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 ...The number on the block is 3970010. - Answered by a verified Chevy Mechanic. ... i have a 1988 chevy van motor 350CI with with block number k1016ph6 cj4ii6828 and want to know if it is a high output motor or if is a 4 bolt main engine or not . the reason i am asking is when the en ...Gm casting number 3970010, 350 4 bolt mail block. Need car detail. I have a 350 4 bolt main block with casting number(###) ###-#### Can you tell me the year and the vehicle it originally came out of? …Chevy 350 Heads#3998920. I have a set of #3998920 heads 1.94/1.5 valves 76cc.They were on a 4bolt with a medium cam.Some pistons have scuffing on the sides so I believe I should change them but to what.I want about 10-1.This engine is not my final but I want to fix it right so I can sell it honestly.I would do a valve job to be on the safe side ...What size Chevy engine has casting number 3970010? a 350 or 327 that is the question. A 350 or a 327 ... What is gm block casting number 397010? That block was used from 69-80 to build 302's, 327 ...According to most sources, the 3970010 casting was used for '68 327, and '69-'79 or '80 350 engines, and possibly one year for a 302, but not the 305, which has a different bore. Two numbers don't add up here. Assuming a 350, which didn't come out until '69, the block date code would be from '78, but the second digit of the VIN code (6 ...Re: Chevy 350 block info? Your block code TAX with casting number 3970010 is a standard 1970 truck block C10-3500 series, 255HP, 4 barrel carb. That block was introduced in May of 1969 and was used through model year 1975. It's your good ole early 1970's 4 bolt main truck block. Yes, the "Nickel" myth is just that, a myth!Re: Help identifying engine. 3970010. « Reply #4 on: March 18, 2013, 11:27:25 AM ». The 3970010 block is probably the most common "350" block there is. As stated it can be any 4.00" bore motor of the 3 possible. More than likely its a 350 that someone has changed the timing cover on, or maybe a car engine. If it has a 6" harmonic balancer it ...1981 Chevrolet El Camino. Oct 21, 2020. #1. I recently bought a 1981 El Camino with a bunch of cool stuff done. The most interesting is the 90's era VORTEC heads on a "3970010" 70's era block. (I think) I am attaching the casting number / Block Stamp and date code from the block. Has anyone seen this conversion?They are located above the oil filter. The casting numbers for the block is 3970010 The block date code is C317. Thanks, Dan. Click to expand... The important one is in the lower picture 3970010 which is the casting number, and it's a damn desirable one. Bogie. Why is that it's just 3970010. Why is that it's just 3970010. The 010 casting is one ...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 (4879 days ago) Loaded in 1 ms. There are ...The number on the block is 3970010. - Answered by a verified Chevy Mechanic. ... i have a 1988 chevy van motor 350CI with with block number k1016ph6 cj4ii6828 and want to know if it is a high output motor or if is a 4 bolt main engine or not . the reason i am asking is when the en ...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 …2. K-20. Enter your engine SUFFIX CODE in the Search box below. E.g. 0FC, 0XA, 1XJ, etc. Or read about engine serial numbers first to identify the suffix code. Bonus: Want to know the information about your GM/Chevy engine? Enter the engine serial number suffix code in the "Search box" to find out the year, C.I.D, etc.Could be anything from a 302 to a 350 if OEM cranks are used, most anything is possible up to ~400 cid w/aftermarket cranks in the -010 block. They have a great collection of sbc casting numbers. GM never put a 327 in a 68 SS camaro. If it is a 68 camaro 327 then it is either a 210hp or a 275hp 327.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.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. # 4.350 block casting 3970014. I am nearing the end of a body restoration on my 68. Always knew that the engine was not original but was told it was a '70 350. casting# is 3970014, and the code reads RAI 1238 (its easily legible) I found some info that this block was originally to be used in 1970 camaros but found its way into camaros, chevelles ...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)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 …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 ...Can you determine what type of car or truck this engine was in by the block number or casting number Casting# 3970010? - Answered by a verified GM Mechanic. We use cookies to give you the best possible experience on our website. ... The numbers on my block are.....GM(NNN) NNN-NNNNand VO912TJY. I believe it is from a 1973 truck.Are you trying to identify your small-block Chevy engine's head? Check the casting number in this article with the free lookup. Skip to content. Chevy Geek. ... 3970010: 68-76: 350: 4-bolt: 3970020: 68-73: 307: 3970126: 67-71: 327/350: 3970721: 64-67: 283: 3971293: 68-69: ... Can't find in list block casting number 3999289 from a 1974 chevy ...Have a small block that I recently purchased and was told it was a GM crate motor. Upon further inspection I found the casting number 3970010 on the block which I see online as a 69-79 350 2 or 4 bolt mains. Only other numbers I see in that area is a K 1 above the oil filter casting.. Find many great new & used options and get the best deStock Chevy 350 horsepower casting number 3970010? That is the nu Chevy 3970010 block. General engine tech -- Drag Racing to Circle Track. Moderator: Team. ... I have two with casting numbers 3970010. I've been told by a few people they are good blocks and some machinists say they know there harder by the way they machine. ... Thanks. i ran a Hencho en Mexico 010 Block , had thicker Cylinder Walls than the ... The first GM PassLock antitheft system was i 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 # ... Chevy block with casting #3970010 is not a 4-bolt ...Chevy Small Block Engine Casting Codes. First Generation Pictures; ... The Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. ... 3970010 : 1969-69 : 350 : 255-350 3970010 block (had canister type filter) suffix code ...
Continue Reading