Gm 3970010 block

C3 Tech/Performance - 69 coupe with a 3970010 block - have been getting mixed info about this block in my car. i have owned it for 32 years so i would know if i changed it or had it restamped. the question is, if its legit, am i looking for casting #'s for the 3932386 casted block or am i looking for castings that...

Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars ... 3970010: 350: 69: Corvette: 4-bolt main, late 69: 3970010: 302 ...High Nickel GM #3970010 Engine Block "010 020" Marked Block decoding High Nickel! I estimate this motor makes around 420hp at 5500rpm and around 450ft lbs torque. The balance is also correct 8" GM balancer correct for the timing cover.1 post · Joined 2008. #1 · Aug 3, 2008. I have recently aquired a chevy small block and I'm having trouble finding out exactly what it is. I have found Four numbers. 3970010 along with "hecho en mexico" on the back drivers side. 254 on the back passenger side. 010 on the drivers side in front of the oil filter. and the engine code is "MK01800."Discontinued NOS GM Sheetmetal; Online Store; Small Block Chevrolet. LB=Long Block SB=Short Block Year Date Casting Size 2/4 Bolt BB=Bare Block Notes/Pad Number ... 69 F-4-9 3970010 4 BB CE9B23598 69 D-8-9 618 4 BB VO416DZ ...3970010. Manufacturer Warranty. none. Number of Cylinders. 8. Engine Size. 5.7L. Manufacturer Part Number. 3970010. UPC. Does not apply. ... Engine Block Parts for Chevrolet Chevy II, Engines for Chevy, Crate Engines for Chevy, 1987 Chevy Cars & Trucks, Rally Wheels for Chevy, 1950 Chevy Cars & Trucks,

Is the Chevy 350 block with casting numbers of 3970010 have more nickel? Blocks that have more nickel have 010 or 020 under the timing cover, meaning 10% and 20% nickel.Oct 1, 2014 · Location. Dallas, TX. Car. '82 Chevy K20. Jan 3, 2015. #2. Casting No. 3970010 = '69 327 from Camaro, '69 327 from trucks and industrial, or '69-'80 (vehicles unlisted). You'll need at least your assembly date (number stamped in front of pass side head, which is No. 4 on the location diagram on this site) to narrow it down, assuming that number ...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?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.What gm engine has 3970010 on the block and 12L538322? Updated: 9/21/2023. Wiki User. ∙ 11y ago. Study now. See answer (1) Best Answer. Copy. It's probably a 1972 350. Wiki User. ∙ 11y ago.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 ...

A 509 casting 400 block has the numbers "509" cast into the sides of the block in big letters -- like 1" tall. The 350 block will not and the 509 under the TC cover doesn't mean its a 400 block or a "509" casting. the suffix code you give TML is for a 1974 Chevrolet Van 350 engine. cast 3970010.Info on gm block 3970010 looking for all origanal. That is just the casting number indicating it might be a 4-bolt main 350. You will need the stamped numbers on the block right in front of the passenger side head. Read full answer. Jul 26, 2016 • Cars & Trucks. 0 helpful.Block #3970010 was used from 69-75, and is a 350. It was used in passenger cars with 255 or 300HP, Chevelles with 300HP, Camaros (as a 302) with 290HP, Chevy II's with 300HP and Corvettes 300 or 350HP. It could be either 2- or 4-bolt main, & was used extensively in truck applications. The date code you provide is, of course, in the wrong format.Can anyone tell is this a casting number for a 350 (3870010). I saw a add for a bare block 350 and that was the casting number I was given. I looked for it but could not find any info on it. ... Chevrolet Camaro -69 , 454/TKO600 Pics. of my Camaro: ... 3970010 ,302/350 ,1969-79 ,145-370HP ,car & Truck 2 & 4-Bolt Most commonMay 11, 2014 · 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 ...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.

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Apr 14, 2023 · 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.Hi 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 327's ...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. For help go to engine Code help or engine decoding FAQ. Choose Group to View Small Block Engine Suffix Codes.On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). 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).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 ...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.

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. ... It definately has the 3970010 code at the back of the block on the drivers side. '72 sounds much better than '80! Also,These two numbers are the casting number and engine ID code. As the name infers, the casting number is cast into the block when the block itself is cast. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. These casting numbers are well …Ok you have a 3970010 block, now look at the date code on the back of the block. If the date code is anything higher than 71 it is a 350. 68-70 it could be a 302, 327, or 350. The 302 block had additional stamping that read DZ, most likely it is not a DZ block.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.The 3970010 block has "010" in the timing cover area. The 3970014 block has "014" in the timing cover area. It's pretty obvious to me what it means, but I'm not an old wife.Ads can be annoying and intrusive, especially when they pop up while you’re trying to browse the web. Fortunately, there are a few easy ways to block ads on Chrome for free. Here’s...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!Chris agree with others on sonic test, but personally I'd look for another block. The 350 4 bolt blocks are plentiful and often you can get them for free. I've had a 350 +.030 block crack the entire length of the #1 cylinder and also on the outside just below the deck between cylinders 3 & 5. Also cracked two 350 blocks that were +.060.Received 1 Like on 1 Post. 3970010 block was used for 190hp and 250 hp. Get the suffix code of the engine pad on the passenger side and I can tell you which one it is. It will be a three letters like CKZ, CLH. Reply Like. 05-04-2006, 05:46 PM.

Block Cylinder Head Intake Exhaust Manifold (LH) Exhaust Manifold (RH) wdt_ID Corvette Year Engine Type Block Cylinder Head Intake Exhaust Manifold (LH) Exhaust Manifold (RH) ... 3970010: 3927186: 3965577: 3846559: 3932465: 33: 1970: 350 - 300 HP Base (Late) 3970010: 3927186: 3965577: 3846559: 3989036: 34: 1970: 350 - 350 HP L46 (Early) 3970010 ...

KARISH Discussion starter. 4 posts · Joined 2011. #1 · Aug 28, 2011 (Edited by Moderator) HI, GUYS I RECENTLY BOUGHT A CHEVY 350 cu in WITH BLOCK CASTING#14010207 I DID SOME RESEARCH AND CAME UP WITH THE FOLLOWING: IT'S A 4BOLT MAIN. L82 SERIES 350 cu in. USED FROM 1970-1972.1972 dated Small Block Chevy 2 bolt main block, GM 3970010. Block only, all main caps are there. Standard bore, good candidate to have bored.I'm not 100% positive, but I seem to remember the cast in Mexico 3970010 was a four bolt main 350 engine, that allowed the oil pan dipsick to be located on either side of the block. I seem to remember the oil pan was unique to the cast in Mexico block and actually had contours for an oil dipstick on both sides of the oil pan.Seller feedback (385) Great description, fast & safe shipping. Thanks. Fast shipping. quality parts. SBC 350 Bare Engine Block 3970010. Casting #: 3970010. This is a 350 Chevy bare block. 4 Bolt Main Machined and Painted Chevy Orange. Block painted Chevy Orange. Block has been Bored and honed. 030".The 010 block casting was a VERY common 4in bore block. It was MACHINED in both 2 and 4bolt configurations. The width of the registers (that's the gap in the main web where the caps fit), FOR A SB, is what determines 2 or 4bolt configuration. AND, ONLY the center 3 webs got 4bolt caps in in the SB. ANY (NOT just an 010) 4in …The 010 block casting was a VERY common 4in bore block. It was MACHINED in both 2 and 4bolt configurations. The width of the registers (that's the gap in the main web where the caps fit), FOR A SB, is what determines 2 or 4bolt configuration. AND, ONLY the center 3 webs got 4bolt caps in in the SB. ANY (NOT just an 010) 4in …Check Details. GM 3970010 - 4 Bolt Main Block Original Chevy 350 Motor Engine for Sale. Check Details. 434 chevy engine. Check Details. Chevy Small Block Engine Chevrolet Casting Number 3970010 Plus Gearbox. Check Details. $199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. cab. ← 396 Jeep Wrangler 3d Print Wide Body Kit →.

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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.Get notified when new articles are added to the knowledge base.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 …Aug 26, 2021 · On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). 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).Jul 19, 2012 · 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.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.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 350.3970010 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 code should be the 12347# but no luck help pleasecamaro-parts-world. 99.9% Positive Feedback. Seller's other items Contact. Joined Dec 2005. Find many great new & used options and get the best deals for SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY 1973 Chevelle at the best online prices at eBay! Free shipping for many products!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 Location Lawrenceville, GA. ... Could be one of the following, all listed as 3970010 69 302 4 bolt main from a camero 69 327 truck and commercial 69-80 350 2 or 4 bolt main2152 posts · Joined 2007. #3 · Jul 10, 2012. 3970010 is a common casting # for a 350. In the numbers 15b474835. The "1" stands for Chevy. The "5" stands for 1975. The "B" stands for Baltimore. The last six numbers are a part of the vehicle VIN. These numbers match what is on the vehicle when it was built at the factory, hence #'s matching.The block I aquired has the casting #3970010. But in front of the passenger head, on the block, the letters and numbers - Answered by a verified Chevy Mechanic ... Chevy: cylinder..heads..a chevy small block 350 casting #3970010..bolt. could some chevy cylinder heads-casting #10110810 thats 91 and up, ... ….

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.Location. Dallas, TX. Car. '82 Chevy K20. Jan 3, 2015. #2. Casting No. 3970010 = '69 327 from Camaro, '69 327 from trucks and industrial, or '69-'80 (vehicles unlisted). You'll need at least your assembly date (number stamped in front of pass side head, which is No. 4 on the location diagram on this site) to narrow it down, assuming that number ...4762 posts · Joined 2006. #1 · Aug 29, 2009. 3970014 350 2 bolt main short block, combination of stamped code and VIN come back as correct for 1971 Camaro SS from Van Nuys plant (350ci, at, 270hp). Comes with oil pan, timing cover. Not sure about crankshaft, probably cast, I did not have the pan off, but owner says its a 2 bolt main.Chevy: cylinder..heads..a chevy small block 350 casting #3970010..bolt could some chevy cylinder heads-casting #10110810 thats 91 and up, fit on a chevy small block 350 casting #3970010 thats years 1969-1980 4-bolt main …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. ... It definately has the 3970010 code at the back of the block on the drivers side. '72 sounds much better than '80! Also,I have a 1956 chevy with a small block chevy engine.I was told when I purchased the car that it had a 400 small block in it. ... The block I aquired has the casting #3970010. But in front of the passenger head, on the block, the letters and numbers are c5b120386.Had a 3970010 Hecho En Mexico Block.....No idea about the nickel nor the go fast people. It was a smooth running motor and gave me no issues. 1968 Camaro SS 350--350, muncie 4spd, 12 bolt 3.31 (multi-leaf) 1967 Camaro (plain jane)--350, muncie 4spd, 12 bolt 3.31 (mono-leaf) 1965 Chevelle Malibu SS 327Aug 6, 2002. 6,401. Bremen, Ga. Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine. He will just need an 8 bolt vortec style intake rather than the std 12 bolt intake. He will also need the vortec style self alinging rocker arms and center bolt valve covers. Sep 13, 2011. Gm 3970010 block, 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., Dexos oil is the only type of oil that General Motors (GM) recommends owners use in their cars, as other brands, which contain different compositions, may cause damage and void war..., Here's the applications that I found: 3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main. 3970014 350 69-79 Truck 2 or 4 bolt main. 3970014 350 72 Corvette late '72,200 HP,255 HP 4 …, Can anyone tell is this a casting number for a 350 (3870010). I saw a add for a bare block 350 and that was the casting number I was given. I looked for it but could not find any info on it. ... Chevrolet Camaro -69 , 454/TKO600 Pics. of my Camaro: ... 3970010 ,302/350 ,1969-79 ,145-370HP ,car & Truck 2 & 4-Bolt Most common, What motor is a GM 3970010? 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., The front pad has been machined and there are no other numbers visible on this block as it is still in the vehicle. The numbers are definitely 3870010. One other note, the damper is BIG and the heads are "186". Thanks guys. ... they are 3970010. A majority of them are 4 bolt main blocks.-----68 RS, Ash Gold,pwr windows,Hounds tooth . Save ..., 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!, Spark Plug Wire Set, Street Thunder, 8mm, Silicone, Black, Over Valve Cover Style, Chevrolet, Big Block Mark IV, Set. Part Number: TAY-56032. 4.86 out of 5 stars. Estimated Ship Date: Tuesday 5/28/2024...Loading Estimated Ship Date: Tuesday 5/28/2024. Moroso Super Looms Wire Looms 72178., Looking 4 info on sb chevy engine block # 3970010. - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... I have a 1956 chevy with a small block chevy engine.I was told when I purchased the car that it had a 400 small block in it., Aug 26, 2021 · On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). 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)., 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., 1 post · Joined 2008. #1 · Aug 3, 2008. I have recently aquired a chevy small block and I'm having trouble finding out exactly what it is. I have found Four numbers. 3970010 along with "hecho en mexico" on the back drivers side. 254 on the back passenger side. 010 on the drivers side in front of the oil filter. and the engine code is "MK01800.", Body, Chassis and Mechanical. Drivetrain & Performance. The 3970010 Block, The 3970010 casting was introduced by GM in 1969 and was used through 1975. It was produced in both 2-bolt and 4-bolt main configuration and these applications varied greatly from year to year. In the 1969 model year, Chevrolet documentation shows the block only being used in the 4-bolt main configuration. This block saw extensive truck usage ..., 78 GM 350 small block Chevy, came out of a 78 Camaro. Rod bearing went, 2 bolt main, standard factory bore. Part # 3970010. 78 GM 350 small block Chevy, came out of a 78 Camaro. Rod bearing went, 2 bolt main, standard factory bore. Part # 3970010 Marketplace. Browse all. Your account. Create new listing. Filters. Dearing, Kansas · Within 621 ..., 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., A typical casting number for a Chevrolet small block V8 engine is 3970010. This designation shows a particular kind of engine block that was mostly used in various automobiles. The Chevy engine blocks’ casting number provides a lot of details about the engine block, such as: Displacement. 2 or 4 bolt main., The only why to i.d your motor with out tearing it down, is with the stamped (Suffix ) Code on the right front (Passenger side) Of the block.Just below the head. The 3970010 casting numbers were used for 302/327/ and 350 blocks. With out looking up the suffix code your just guessing at it.Of course you could pull it down and have it mic`d., 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 ..., sbc block number 3970010 need to know what year she is what she came in horse and what ever else the book tells thanks. ... 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 ..., The other numbers were the distributor # 1111480 and the (3) possible engine casting #'s 3932386, 3956618, and 3970010. The only other number I can think of would be the V----DZ number at the front of the engine. Thanks again for the reply. 1969 Z28, Fathom Green, DZ302, M20, 3:73, PS, TW., Find many great new & used options and get the best deals for 1969-72 SBC Small Block Chevy 350 Long Block 3970010 J-25-1 Heads 3962441 B-18-9 at the best online prices at eBay! Free shipping for many products! ... NOS GM BIG BLOCK CHEVY BBC LONG SLOT HIGH PERFORMANCE 'H' ROCKER ARMS 427 454 (#335137955154) t***v (37) - Feedback left by buyer ..., 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., The Block Casting Number is GM 35 3970010. The Engine ID Stamping is no longer visible due to deck resurfacing. I don't plan on removing the oil pan or valve covers to look at other codes, just trying to determine anything I can from the outside of the motor. Thanks for any help !, Small Block Chevy Casting Numbers. Small block casting date is located on driver side rear of block on flange forward of bellhousing. Big block on the right side of engine above the oil pan rails. Casting Date Example: E038 – (E = Month, 03 = Day, 8 = Last digit of model year (1978)). Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F ..., Tags Chevy 350 Subjects. Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics ... What is a GM 3970010?, 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. Gary, 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 : 302 : 290 : 4 : Z-28 Camaro : 3970020 : 1970-73 : 307 : 2 : 3970024 : 1969-73 : 307 : 2 : 4715111 : 1980 : 305 ..., SBC 350 Bare Engine Block 3970010. Casting #: 3970010. This is a 350 Chevy bare block. 4 Bolt Main Machined and Painted Chevy Orange. Block painted Chevy Orange. Block has been Bored and honed. 040"., 2. Car. 71 chevelle. May 22, 2020. #1. Hello everyone, I have had a smallblock chevy engine in storage for ten years. The casting number is 3970010, now according to the chart this engine can be a 302/327/ or a 350 . my question is is there any way to figure out what it is without knowing the stroke, thanks. N., Small Block Chevy Suffix Codes: TJT - TXB. GM body designation. 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 ..., Re: how much can a 3970010 block handle, it has the 010 high nickel casting ive personally run dyno proven 976 hp on a factory 2 bolt block with aftermarket caps and a half fill .biggest problem was keeping head gaskets on, because everything moved so much at those power levels. also had some main cap walk .had to be very careful with tune up not to detonate it ., Sep 19, 2013 · 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.