The way I understand it, if the 010 and/or 020 are under the timing cover, it's a high-nickel, high-tin block, but if the 010 is somewhere else, it denotes the casting number. The entire casting number (3970010) will be behind the left-side head surface, so you can always look there to be sure.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.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. 69 CHEVY DZ 302 Z28 ENGINE BLOCK 3970010 E229 CAMARO 4 BOLT MAIN STD BORE MAGGED. Opens in a new window or tab. Pre-Owned. $3,500.00. classicjunkyard (15,985) 100%. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Chevy V8 Casting Number Locations. Chevy V8 SBC Block and Head Casting Numbers. Chevy V8 BBC Block and Head Casting Numbers. Chevy V8 "W" Motor 348-409 Casting Numbers. Chevy V8 Crankshaft Casting Numbers.Restore60s said: Original starter number for your block is #119497. Thats a Delco part #. Walked out to the shop & wrote the number down.---:thumbup: Kind of a broad statement. 4 starters for any given chevy small block. 153 tooth flexplate. 168 tooth flexplate. 153 tooth flywheel.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.Casey, One: the 3970010 is a medium journal main diameter block, the 1967 and earlier small blocks were small journal. Your hopes of it being a 65 Vette motor are for naught. 3970010 could NOT possibly have been in a production era that was small journal only.R. Ray J Neal Discussion starter. 26 posts · Joined 2008. #6 ·May 16, 2008. 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.Small Block Chevy Suffix Codes: HR - TBS. 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 ...Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.#2. Gary S. Administrator. Lifetime Gold Member. Apr 14, 1999. 25,167. Bismarck, North Dakota. They are basically the same. Chevy made both castings and …Chevy Small Block Engine Casting Codes. 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. Choose Group to View Engine Block Codes.[ http://www.castingnumbers.info/site/search/3970010 ] Showing 2 results on 1 page. 3970010. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date ...GM p/n 471529 for 12.75" 153 tooth w/ Converter Bolt Pattern of 9.75" or 10.75" (measured across) or GM # 471598 for 14" 168 tooth w/ Converter Bolt Pattern of 10.75" or 11.50". if you have a 10.75" converter pattern, match the flywheel to the starter so you won't have to buy a new starter. [ http://www.castingnumbers.info/site/search/3970010 ] Showing 2 results on 1 page. 3970010. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date ... 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. ... 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 ...Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. "Main Caps" is the number of bolts holding the cap. A "two-bolt" main, or a four-bolt main. Four bolt main blocks are …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...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 ...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.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.Therefore, the following rollover in the registry would use the serial number, ‘CE0A67997’. With or without the A, the specific engine ID would be the 6 digits after CE. In this case, that would be ‘067997’. The first one, ‘0’ would show off what year it was assembled in, as ‘67997’ is its serial number.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.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. ... 3972110, ss rs camaro motor engine, 302 DZ, 302 MO, CHEVY ENGINE, CHEVY MOTOR, 1969 1970 CAMARO Z/28, 1970 LT1 MOTOR, 350 360HP, 350 370HP, 302 …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 bolt ( this one is a 2 bolt ).Small Block Chevy Suffix Codes: HR - TBS. 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 ...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.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 – ... 3970010: 327 – – 2: A: 1969-79 ...Aug 28, 2015 · Restore60s said: Original starter number for your block is #119497. Thats a Delco part #. Walked out to the shop & wrote the number down.---:thumbup: Kind of a broad statement. 4 starters for any given chevy small block. 153 tooth flexplate. 168 tooth flexplate. 153 tooth flywheel. 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 ...C3 Tech/Performance - Block #'s: 3970010 / VO426tBC - I'm looking at an engine that a guy says is from a 69 vette. He told me that the block numbers are 3970010 and VO426tBC on the front of the engine. Does this correspond to a 69 vette, and if so would that be 4 bolt main? Just googling 3970010 gives me a whole slew...From this chart - I think you may be misreading the number - 3970010 is possibly the actual number: Which makes the engine pretty old 68-72 350 V8 - 4 bolt main. I included past this number so that you can see that the number you posted doesn't actually exist. And thus my conclusion that the 9 is most likely a 0.SBC 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.item 7 1969-72 SBC Small Block Chevy 350 Long Block 3970010 J-25-1 Heads 3962441 B-18-9 1969-72 SBC Small Block Chevy 350 Long Block 3970010 J-25-1 Heads 3962441 B-18-9. $695.00. See all 11 - listings for this product. Ratings and Reviews. Learn more. Write a review. 4.2.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 ...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 bolt ( this one is a 2 bolt ).Find many great new & used options and get the best deals for 1976 SBC Small Block Chevy 350 2 Barrel Engine 3970010, 333882 Heads, 346260 at the best online prices at eBay! Free shipping for many products! ... Crate Engines for Chevy, Engine Block Parts for Ford F-350, 2 DIN Car Stereos & Head Units,Chevy Small Block Engine Casting Codes. First Generation Pictures; ... Passenger/Chevelle/Chevy II/Corvette/Camaro : 3970010 : 1970-80 : 350 : 145-350Gm 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 …Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon...Aug 26, 2022 · Learn about small block chevy torque specs online at JEGS. . Read our SBC 350 torque specs and build the engine you want at JEGS today! ... 3970010 - 327 CID, 1969, 2 ... The 3970010 block is an extremely common 4" bore small block with large main journals. The only ingredient which would render this as a 302 would be that special crankshaft, last four digits of the casting number are " 1178 ."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."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.SHOP INFORMATION : Contact us at : [email protected] Our Address is: Guzzi Fabrication 3206 Main St Suite 106 ...1 post · Joined 2011. #1 · Jul 9, 2011. I want to ID my small block Chevy engine. The numbers I have include: (a)the casting number is 3970010, (b) there are two serial numbers on the front passengers side of the engine, these numbers are V0505TDR and C8F454789. I would really like to know cubic inches, horsepower and 4 bolt main or 2.GM/Chevy Small/Big-Block Engine Serial Number. A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. …#2. Gary S. Administrator. Lifetime Gold Member. Apr 14, 1999. 25,167. Bismarck, North Dakota. They are basically the same. Chevy made both castings and …Details for 3970010; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1969: Notes: 302, 4 bolt, Camaro Z28, may be mistaken as 8970010: …On small block chevy`s I`ve never seen the suffix code at the start of the numbers, there always last. ... but then I just went out and bought a Chevy Parts Interchange book. 3970010 is the block that I started with on the 350 that turned out to be bored 060 over and the cam had a bearing 010 over. 1965 Plymouth Fury III Sedan 383 …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. Attachments. 3970010 2 bolt …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. 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.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 …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 * …For this block, it would be the '69 only. If "original" heads '69 302 heads 3947041 but, also used on the '69 350. 3970010 was a common block used from '69 to '80 on the 350. Your best bet, quickest way to find out, research the block date code and engine id# on block, if not decked. I have two of these blocks 3970010 4bm myself.Apr 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.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. 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 ...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.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 … 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 ... Find many great new & used options and get the best deals for SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS at the best online prices at eBay! Free shipping for many products! ... Engine Block Parts for Chevrolet Chevy II, Engine Block Parts for Ford F-350, Engine Block Parts for Ford E-350 …Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. "Main Caps" is the number of bolts holding the cap. A "two-bolt" main, or a four-bolt main. Four bolt main blocks are …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 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 ... 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.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 ... 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. 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 ... 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.Get ratings and reviews for the top 12 foundation companies in Chevy Chase, MD. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All...Jan 3, 2022 · 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 block from 1969 through 1979 as both 2-bolt blocks and 4-bolt blocks in Chevy cars, trucks, and Vette. It was used in horsepower applications from 185 through 370. 3970010 block question. I purchased a 67 with an unknown 350 with the 010 block and the last three letters on the block pad are TMM--I have another 010 block with the same pad letters TMM that I know is a 4 bolt main it also has the casting K9 next to the block numbers on the rear--I was told this is a better block casting because of the …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.Sold · Chevy 350 small block engine #3970010. $320 $575. Hobbies › Car Engines & Parts. Listed a year ago in Lowell, IN. Log in for Details. Save. Share. Save. Share. Details. Condition. Used - Good. 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 ...C3 Tech/Performance - 1970 LT1 engine number - My 350 engine has an engine number starting with CEC. The block # is 3970010. I ordered this engine new over the parts counter from a Chevy dealer in 1972. I thought it was a 1970 LT1, but the CEC prefix doesn't match up with anything I can find in the books. What does...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 …Mar 3, 2009 · Until you take the pan off, don't assume its a 4 bolt just because of the casting number... been burned by that issue myself. Got a 77 3/4 ton van... was original, and a 3970010. Got it home, cut the van apart around it, put it on the stand. Started to disassemble it for the rebuild and found it was a 2 bolt. So I forked out a lil extra and put ... 3959512 Small Block V8 1962-1963 327, 2 bolt. 3970010 Small Block V8 1969 302, 4 bolt, Camaro Z28Joined 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.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. 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 ...American-made Chevrolet is one of the best-selling brands in the United States. If you are in the market for a used Chevy, whether a sedan, truck, SUV or sports car, this article h...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.
May 2, 2015 · 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 ... . P.o. box 30425 salt lake city
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 …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 ...The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices. By clicking "TRY...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 ...Aug 3, 2008 · 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." GM may be replacing tens of thousands of Bolt EV batteries, but it won’t have to pick up the tab for most of them. The automaker has reached a deal that will have LG pay nearly all...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 bolt ( this one is a 2 bolt ).Mar 26, 2012 ... Chris shows you how to tear down a junk yard small block Chevy 350 engine to prepare it for rebuild. BUY Tools & Products Mentioned: ...For years I have seen certain Chevy small block cylinder blocks, the ones with the "010/020" cast into the timing recess and behind the bellhousing flange, referred to as "high nickel" blocks. ... This photo is also of a 3970010 block, cast in 1969, that does NOT have the 010/020 cast under the timing chain cover. This is the cylinder block in ...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.Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars ... 3970010: 350: 69: Corvette: 4-bolt main, late 69: 3970010: 302 ...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, …We have V6, V8, and L4 engine block types, and bare blocks of various materials including aluminum, billet aluminum, steel, cast iron, and ductile iron. Find the perfect foundation for your Chevy, Ford, or Mopar build-up, including Chevy 350 and 454, Ford 302 and 351w, Hemi, Corvette, LS, and LSX engines. Explore Summit Racing’s vast ... 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 ... 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 ….