SBC 350 Bare Engine Block Casting # 3970010 4 Bolt Main Machined and Painted. stoversps. (174) 100% positive. Seller's other items. Contact seller. US $1,250.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. 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.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.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%.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 ...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.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.I have a 69 GM block whose casting number is 3970010. The date code is L89 which matches with that cast being made late in the 69 production year. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds, restoration, modifications, classifieds, …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.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.item 3 Free Shipping - GM Chevy 5.7 350 Short Block 1967-1979 3970010 w/ free hat! Free Shipping - GM Chevy 5.7 350 Short Block 1967-1979 3970010 w/ free hat! $4,890.00Sep 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. Most Chevy small block and big block V-8 engines use the firing order 1-8-4-3-6-5-7-2. The LS family of V-8 engines has a 1-8-7-2-6-5-4-3 firing order, according to Reference.com. ...Ok I have a 3970010 block and on the back of it where the flexplate goes its got 010 stamped on it with 020 right under it. It's a 4 bolt block and I just bought another one and its got the same stampings but this one runs and I was wondering about how much horsepower a block like this can handle and is the 020 anything special I've seen 010 stamped on it before but was wondering if the 020 ...The chance of it being a 302 is almost nil, and it being a 327 is almost as small. The 3970010 casting number was most commonly used to build 350s. Chances are probably 99.5% that its a 350. Also, he said he got it out of a truck so that eliminates the 302 and almost completely eliminates the 327. Dustinweaver, what year truck did you …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 …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, …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 …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...Replacing speakers in a vehicle is one of the simplest and most cost-effective ways of improving the sound in your car. The Chevrolet Colorado is a good candidate for speaker repla...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.automatic trans. H. -. -. full size/Camaro. Last updated: 12/1/2014. MadMike Maciolek. (tm) Decoding small block Chevy engine suffix codes and stamped numbers: CE - CMJ.camaro-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!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. The way I have the block sitting is the 4 bolt main caps are facing down. To the left side is the oil pump and …302 BLOCK 3970010. Jump to Latest Follow ... Help I bought a 1969 Z28 with the wrong short block, I would like to put the correct short block back in the car to make the car a matching number car. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds ...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.I have the same casting 3970010. I think it is a 350, but it is in a 1978 Camaro LT that is supposed to have a 305. I tried looking up the number stamped on the pad by passenger side head under the alternator, but I can't find anything on it. The number appears to be V10191FJ. *Driver side exhaust manifold is 364747 GM.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.How To Determine Whether Your Small-Block Chevy is a Builder or a Boat Anchor. By Tommy Lee Byrd – Photography by the Author. ... Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank. This means the engine could be a ’69 DZ302, a ’68-69 327, or …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...A discussion thread about the casting number 3970010 for Chevy engine blocks. Users share their experiences, opinions and questions about the block's origin, year, model and features.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. SHOP INFORMATION : Contact us at : [email protected] Our Address is: Guzzi Fabrication 3206 Main St Suite 106 ...It’s official: a fully electric Chevy Corvette is coming — with new battery technology to boost its range, acceleration and efficiency. When it arrives, the battery-electric sports...Product Summary. 350. Complete rebuild assembly kit for 1969-Up Small Block Chevy Engines. New high tech, internal balanced, fatigue resistant 80-60-06 cast steel crank with near forged endurance. These 5140 forged steel claimer I-beam connecting rods - Press fit style wrist pin bore. Keith Black economy pistons feature coated skirts, wrist pin ...Feb 20, 2015 ... Very nice running 350 removed from a 1975 Corvette. The mileage is unknown but it runs very strong with no weird noises, knocks, or smoking.Small Block Chevrolet. LB=Long Block ... 70 0-B-24 3970010 350 2 SB KO304CNV, canadian 70 D-2-0 3970010 350 2 BB VO406CNN ...Thats a common high nickel block.Should have an 010 under the timing cover.Good block a 2bolt one of these is better than a 4 bolt newer block were they skimpt on materials. The heads are good factory heads for mild performance if you can redo them with just guides and a valve job go for it if they need seats etc...look for something better.Sep 10, 2016 · The 3970010 block casting number was used from 1969-1979.... But the "AAB" code narrows it down to the 1976 model C-60 (big truck chassis) like a grain truck, heating oil delivery truck, Fire tanker truck, etc. So block is a 1976. Listed as 8.5-1, but will actually measure out a bit lower than that, more like 8.1-8.2:1. 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 ...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 …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.I was looking through my 1969 Camaro Reference Book and wrote down some numbers to look for which a couple of them were the intake manifold casting # 3932472 and the cylinder head casting # 3927186 like you mentioned. The other numbers were the distributor # 1111480 and the (3) possible engine casting #'s 3932386, …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 ...Mar 6, 2013 · 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 ... 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 2014 Chevy Equinox is a reliable and dependable SUV that has been a favorite among drivers for years. But how long can you expect it to last? Here, we’ll explore the expected l...A popular car modification is the stereo system. Replacing the stereo enables the car owner to add an aftermarket stereo with a number of features such as MP3 players, Bluetooth co...Nov 16, 2006 · J. javamxcars Discussion starter. 7 posts · Joined 2006. #1 · Nov 16, 2006. I speak with a lot of friends , and the opinon is the same , the question is: the chevy block 3970010 with number 010 .020 is for the nickel ,ok is it for 1% tin and 2% nickel or is 10 % tin and 20% nickel ? Like. Sort by Oldest first. 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: …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.Remove the plug by inserting a 1⁄4-inch diameter steel rod (found in hardware stores) into the oil-pressure access at the rear of the block. A few taps with a hammer will drive the plug out. It’s a 1⁄2-inch type P5 plug available at any parts store. This plug must be in place for oil to flow to the oil filter.THE BLOCK ID # IS 3970010 WHICH IS A 350 USED FROM 1969-1980 ACCORDING TO MY BOOKS "chevy small block interchange manual" and "chevy small block parts interchange manual". THE # ON THE HEADS IS 462624 USED ON 350 FROM 1975-1986 FROM SAME BOOKS. THE HARMONIC BALANCER ON THE OTHER …Chevy Small Block Engine ID Your Chevrolet small block engine comes with two sets of codes: the engine code and the partial VIN code. Each one can tell you a lot about your engine. Let’s find out what you can learn and how to decode each one! Engine Code Your engine code is an eight-digit number found on the passenger side of the engine.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. The way I have the block sitting is the 4 bolt main caps are facing down. To the left side is the oil pump and filter ...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 ...Can’t find in list block casting number 3999289 from a 1974 chevy corvette. Code number T0319TRJ also has- HI PER cast in block. This is supposed to be the stock engine that came in the car. 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 ... Product Summary. 350. Complete rebuild assembly kit for 1969-Up Small Block Chevy Engines. New high tech, internal balanced, fatigue resistant 80-60-06 cast steel crank with near forged endurance. These 5140 forged steel claimer I-beam connecting rods - Press fit style wrist pin bore. Keith Black economy pistons feature coated skirts, wrist pin ...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 ...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 ...Most Chevy small block and big block V-8 engines use the firing order 1-8-4-3-6-5-7-2. The LS family of V-8 engines has a 1-8-7-2-6-5-4-3 firing order, according to Reference.com. ...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 383.3970010 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 …SHOP INFORMATION : Contact us at : [email protected] Our Address is: Guzzi Fabrication 3206 Main St Suite 106 ...A discussion thread about a Chevy block with casting number 3970010, which can be a 302, 327, or 350 engine. Users share their experiences, tips, and questions …Apr 27, 2006 · Re: how much can a 3970010 block handle, it has the 010 high nickel casting I copied this info from a post at HOT ROD, earlier this year. It said that the figures were aquired from SUPER CHEVY, POP HOTRODDING, and some local shops. None completely agreed, so lower values were used and rounded down. 2-bolt w/ OE main bolts = 400hp 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...automatic trans. H. -. -. full size/Camaro. Last updated: 12/1/2014. MadMike Maciolek. (tm) Decoding small block Chevy engine suffix codes and stamped numbers: CE - CMJ.Oct 6, 2022 · 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. How To Determine Whether Your Small-Block Chevy is a Builder or a Boat Anchor. By Tommy Lee Byrd – Photography by the Author. ... Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank. This means the engine could be a ’69 DZ302, a ’68-69 327, or …7034 posts · Joined 2011. #8 · Jul 10, 2019. 3970010 = 68-80 350 2 or 4 bolt main 4 inch bore. J67= October 6 1967, or 1977. This block was not cast in 67, so that leaves 77. If it says hecho in mexico on the …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.Feb 20, 2015 ... Very nice running 350 removed from a 1975 Corvette. The mileage is unknown but it runs very strong with no weird noises, knocks, or smoking.1974 Small Block Chevy 350 SBC 3970010 E 10 4 010 4 Bolt Main STD. Pre-Owned: Chevrolet (5) 5 product ratings - 1974 Small Block Chevy 350 SBC 3970010 E 10 4 010 4 Bolt Main STD. $600.00. or Best Offer. $275.00 shipping. SB Oil filter Adapter SBC BBC Chevy GMC GM spin on w/ bypass New in box w/bolts.Engine Casting Block #3970010 - Chevy Message Forum - Restoration and Repair Help. Chevy Forums FREE technical assistance for your restoration and repair. …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 ...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...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 known and ...The ignition firing order for a 454ci Chevrolet is 1, 8, 4, 3, 6, 5, 7, 2. From the front of the engine, the odd cylinders are on the right side, with cylinder 1 being the closest.... [ http://www.castingnumbers.info/site/search/3970010 ] Showing 2 results on 1 page. 3970010. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date ... 1974 Small Block Chevy 350 SBC 3970010 E 10 4 010 4 Bolt Main STD. Opens in a new window or tab. Pre-Owned. $600.00. 702jimmy1967 (396) 100%. or Best Offer +$275.00 shipping. NOS 1969 Chevrolet Chevy Camaro Z/28 Z28 3970010 010 CE 302 350 Block E-21-9. Opens in a new window or tab. New (Other)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 400The 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 ."
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.. How many tsp sugar in a gram
The first step to decoding the Chevy engine block code is to locate and identify the code on the engine assembly stamp correctly. Next understand the block code. The code has 15 ch...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.automatic trans. H. -. -. full size/Camaro. Last updated: 12/1/2014. MadMike Maciolek. (tm) Decoding small block Chevy engine suffix codes and stamped numbers: CE - CMJ.[ http://www.castingnumbers.info/site/search/3970010 ] Showing 2 results on 1 page. 3970010. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date ...Quick example to help show what the markings on your engine mean. Your engine may have other numbers or symbols but this should help in a broad sense.Here is...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 ...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.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 ...Nov 1, 2013 ... If that happens to be the vehicle this engine is currently sitting in they "match". I'm Done. I can GUESS the casting # is 3970010 and check ...Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars - Project Cars - Farm Truckscamaro-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!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.Product Summary. 350. Complete rebuild assembly kit for 1969-Up Small Block Chevy Engines. New high tech, internal balanced, fatigue resistant 80-60-06 cast steel crank with near forged endurance. These 5140 forged steel claimer I-beam connecting rods - Press fit style wrist pin bore. Keith Black economy pistons feature coated skirts, wrist pin ...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 ...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. 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 400There are no interchangeability issues between small block passenger car engines and truck engines in 1970, if that's your question... Casting number 3970010 was used from 1969 - 1979 on the 350s that were used in cars, trucks and Corvettes. It was also used on 1968 327's, so be sure to check the date codes.The 2014 Chevy Equinox is a reliable and dependable SUV that has been a favorite among drivers for years. But how long can you expect it to last? Here, we’ll explore the expected l...Was also used for some CE replacement blocks: 3959538 : 327 : 2 : Chevy II recessed oil filter boss, Used for some Chevy II CE replacement blocks: 3970010 : 69 : 302 : 4 : Z …item 3 Free Shipping - GM Chevy 5.7 350 Short Block 1967-1979 3970010 w/ free hat! Free Shipping - GM Chevy 5.7 350 Short Block 1967-1979 3970010 w/ free hat! $4,890.00.