block casting number is 3970010. The numbers I can't nail down are on the passenger side front of block. top one is "K12 12 TMR" under that and lower is "C41129113". looking on some other sites i have found this info: 1) TMR= 1980 350 out of a van,bus,a/t,cal. body style c-30 or 3500. 2) 1968 3970010 327. 1969-79 350 out of car/truck vet.Get the best deals for Chevy 302 Dz Engine at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! ... 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. Buy It Now. Freight. 19 watchers.I know that there was a big shakeup in 1969 where GM changed the structure and put all drivetrain into a division, and from that time forward casting numbers appear to be shared, for example 3970010 blocks appear across Tonawanda, McKinnon and Flint engine plants from mid 1969.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. GaryAlso forgot to mention this block was used for both 327 and 350 cubic in. motors. Became a 350 for 68 up in most Chev. lines. Block usually will have the 10/20 tin nickel content. However, it can come in either a 2 or 4 bolt main configuration. Generally the 010 blocks are good for making perfornance engines.2 Answers. 3970010 = casting number of an 350 small block. V0408TDR = V - motor made in Flint, 0408 - made in april 8th, TDR - in 1980 for an californian sold car with 155 hp, auto trans and C-10 body. C8F438333 = partial VIN number, it should match the VIN on the body of the original car: C - engine code, Chevy small block; 8 - engine model ...GM 3970010 4 Bolt Main Block Original Chevy 350 Motor Engine for Sale. Check Details. Sell 69 Camaro 302 350 Z28 Chevelle Corvette Engine 3970010 Date D249. Check Details. Chevy 350 Engine Block 3970010 for Sale in Surprise, AZ OfferUp. Check Details. 199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. [email protected]. 9732 posts · Joined 2002. #2 · Mar 15, 2014. Early large journal 4" block. Produced in both two and four bolt mains. Cast in Saginaw, Michigan and machined/assembled in Flint, Mi. Companion block to 3970010.22 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.Engine number: 3970010 Engine date: D234 Engine pad: MJ18800 Attached Images Last edited by TheSaint; 03-14-2017 at 04:44 PM. Reply Like. 03-14-2017, 05:01 PM #2 TCracingCA. Team Owner . Member Since: Sep 2002. Location: California. Posts: 36,765 Likes: 820 Received 1,687 Likes on 1,009 Posts ...Jan 17, 2002. 823. TRAFFORD, PA. This can be looked at as part 2 of "I found a block". This is the 4-bolt 350 block I mentioned late in my previous thread. Code says 1401679, 4-bolt main, 010 stamped on front pad, timing chain area. Mortec and some others have this as a 77-79, 2 or 4-bolt (it is a four bolt). Would this be a good block to stroke.The 327 Chevy engine identification numbers include various codes and numbers such as the engine code stamping number, VIN code, casting day, and engine block casting day number. ... For example, you have an engine with the stamping number "3970010" and a " CMJ " suffix code. The " CMJ " suffix" corresponds to a 1974-1980 t4OO ...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 ...Chevy 350 engine block 3970010 for sale in surprise, az. Gm 350 engine block #3970010 chevy truck chevroletChevrolet chevy 350 v8 small block engine 3970010 Sbc 350 v8 engine motor block 3970010 2 bolt main small block chevy 30Sbc 350 v8 engine motor block 3970010 2 bolt main small block chevy 30.350 CID Chevrolet SB Engine, casting # 3970010. GM 350 Turbo Hydromatic 3 speed Transmission. Chrome oil pan and flywheel cover. ... Chrome steering wheel with tilt GM column and turn signal lever. Custom transmission shift lever and boot with chome bezel. Not interested in Trades. Vehicle Details. 1929 Ford Model A.Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.The 3970010 block is a common 4.0" bore block that was available as a 2 or 4 bolt main. This block was used in many cars and trucks from the late 60's until the late 70's. It was the base for many HP GM engine offerings and is a good base for a mild performance build-up.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.Looking to ID further. Looking at a Chevy engine with the 3970010 casting number and trying to find out more info. The numbers on the machined pad on the front passenger side of the block are 151420105 K10 3P CMJ. From the info I'm looking at the CMJ means "1974 350 T400 Police" or "1980 305 full size/Camaro", but shouldn't the 9 digit VIN code ...yes most all 3970010 are 350, but some in '69 were passenger car 327 and 302 camaro blocks, in which are the same 4" bore like the 327 were as well, in which also shared this block casting. but since it has the three digit suffix stamping code (CKL) it will be a 1970 and later engine. 3970010 was from 1969 to 1979, car truck or van, and can be ...May 15, 2008 · 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.2749 posts · Joined 2012. #4 · Jun 25, 2015. If I remember correctly, the casting number should be located on the rear of the block, on the driver side. Just in front of the tranny mount and below where the head bolts on. The casting number should identify a range of years and models that block was used in. Les.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.Jan 17, 2002. 823. TRAFFORD, PA. This can be looked at as part 2 of "I found a block". This is the 4-bolt 350 block I mentioned late in my previous thread. Code says 1401679, 4-bolt main, 010 stamped on front pad, timing chain area. Mortec and some others have this as a 77-79, 2 or 4-bolt (it is a four bolt). Would this be a good block to stroke.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 ...Looking to ID further. Looking at a Chevy engine with the 3970010 casting number and trying to find out more info. The numbers on the machined pad on the front passenger side of the block are 151420105 K10 3P CMJ. From the info I'm looking at the CMJ means "1974 350 T400 Police" or "1980 305 full size/Camaro", but shouldn't the 9 digit VIN code ...It's been a rough year for the electric carmaker. Tesla’s bad year keeps getting worse. This week, the high-flying California carmaker’s stock continued its year-long slide. By Tue...Aug 26, 2021 · 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 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. ... 77 Chevy K10 Custom Deluxe-Dad's first truck 69 Chevy C30 flatbed-Grandpa's farm truck 1950 International L-112 ...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.Crate Engine, GM 350 Small Block Stage 3, 290 HP, Long Block, External/Internal Engine Balance, Vortec Heads, Carburetor, Each. Part Number: HPE-HP99C. Not Yet Reviewed. Estimated Ship Date: Jul 22, 2024 (if ordered today) Core Charge $510.00. Free Shipping.The GM Family First Program is a discount program for General Motors employees and their families. The discount is applicable toward the purchase of Buick, Chevrolet, Cadillac or G...C3 General - Block casting GM 41 3970010 with a 78 date code. Whats GM 41 mean? Thanks - I have a 69 with a block cast as GM 41 3970010 I believe its a 1978 block (J 78) and it has the smaller front pad, which is blank. The dipstick is on the drivers side. No made in Mexico script either in the back. Did all the 010...I just pulled this SBC from a 34 Vicky and this is the number on the back of the block 3970010. What I can determine is a 2 or 4-bolt main. How else can I tell without pulling the pan? Is this an engine worth …Nov 22, 2009 · It is a 3970010 4 bolt main 350. Dished pistons with the valve relieves. Cam had one rounded off lobe and the lifter that ran on that lobe was concaved. Heads are 3998991's This seems to be a low compression smogger type motor. Other than the cam lobe all the other items including pitons are in very good shape.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 if it simply states "Y"... this means Corvette.C3 Tech/Performance - 6 gm 3970010 - Not quite sure what I have got, but it is in nice shape. I pulled it out of a silly Willys project. Am looking to sell to someone who can pick it up in try-state area. Am in northern NJ.Any help identify GM 20 3970010 010 020 Block? - Hot Rod Forum. Check Details. $199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. cab. Check Details. Chevy 350 / 325 HP High Performance Balanced Crate Engine - Five Star. Check Details. $199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. cabMy Questions Are I Have This Block The 3970010 And The Heads Are 3973487 The Block Is A 2 Bolt Main And I Dont Know If Its Worth Rebuilding? And Dont Know If Its A 327 Or 350? With The Casting Identification Numbers They List 327 And 350 With The Same Number How Do I Know Witch Is Witch? And The Heads Are The 3973487 List As Lt1 Heads.The numbers 3970010 indicates a block casting with a 4.000" bore. It could have been used in 302, 327 and 350. The 302 is not likely because it was in the Z-28 Camaro with aluminum intake and Holly carb, very collectable and people are not going to put one in a truck. The last year for the 327 was 69 and the first year for the 350 was 69.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.I finally got around to getting the casting number off of my block, and it seems that I have just another run of the mill 350 chevy block. The code is 3970010 (69-79 or 80 350). I am trying to figure out any other information about this block, what year, what it came from, etc. I have not dropped the pan yet, so I do not know if it has 2 or 4 ...Is Sbc Engine 3970010 A Good Block. A 3.0-liter turbo-diesel six-cylinder is now available optionally as part of a bundled package that includes a heavy-duty six. 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.What year is a 350 Chevy engine with casting 3970010 and 15y146329? The back of the block will have a series of letters and numbers cast into it. That is what determines the date.this engine is a 1973 to 1979 small block 350 out of a truck. the 1973 to 1979 350 small blocks where exactly the same through those years. Gary. Category: GM. Satisfied Customers: Experience: 15 years gm master tech/15 years ASE master tech. Verified. Gary and 87 other GM Specialists are ready to help you. Gary.Block casting numbers 355909 what size motor? It is a Chevy 305 or 262 cubic inch. You could tell by measuring the bore of the cylinder. A 3.671 bore is a 262 and a 3.736 bore is a 305.Blocks that had 010-020 behind the timing cover AND had a long I.D. pad (behind alternator, passenger side) were the better blocks. Some blocks 1973 and later had long pad and 010 under the cover. Basically when Gm started painting them blue, the shorter pad is found. Some Engine rebuilding associations have bulletins stating that the …GM built the 350 using the same length rods and a longer stroke. This screwed up the ratio. To fix what GM screwed up, ya' need to put 6.0" rods in a 350. Then it'll behave better. The small journal 327 was probably the best V8 GM ever made. Most of the large journal 327's got cast cranks and ya' don't need the big bearing diameters.1970 Chevy Nova Jan 26, 2023 #1 Looking for motors for a kid I sponsor in IMCA Hobby Stock. ... The block is a 3970010 sbc, but on the front of the block next the timing chain cover is the number 509. Need to make sure this block is ok for what I need it for. Thanks in advance!!!! Reactions: TUDRMALIBU67. T.The TBM suffix on the number stamped on the pad on the front of the engine is for a 1970 307 out of a G-10 van. The only trouble is that the casting number on the back of the block should be 3970020 instead of 3970010. If the 010 number is right you might pull the valve cover and check the casting number on the head.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. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. ... They might look like this "361959" or "3970010" or ...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 ...Chevy 350 engine block 3970010 for sale in surprise, az350 sb chevy complete engine Puzzled about my engine codes, please help!Bore sbc crank shift. 1973 chevrolet 350 sbc engine block only 4 bolt main 3970010 standardSb chevy complete engine edited last Offerup simplest locallyOfferup locally simplest.1970 - 1972 LT1 Replacement Engine (4bolt 3970010 Block, Hump Heads, TRW Domes) Remanufactured. $8,995.00. custom_engine_supply (1,507) 100%. or Best Offer. +$395.00 shipping. 40 watchers. SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS. Parts Only.| 1968, 1969, 1970, 1971, 1972, 1975, 1976, C3, casting, Corvette, engine, exhaust, left, manifold, number, numbers, rightNeed starter part number for SBC 3970010. SB 350, 882 heads, Long Tube headers, Comp 280 Magnum cam, Pefrformer RPM intake, Edebrock 600 CFM manual choke carb, 3.92 gears. DL3510S in a duralast number. Bringing history and technology together. Since chevy used 2 different flexplates and starters, a single part number isn`t going to do you much .... 3970010 Chevy 350 4 Bolt Main Block. Call For Price. Back DescriptionGet the best deals for Chevy 302 Dz Engine a General Motors (GM) has always been at the forefront of automotive safety, constantly innovating to provide drivers and passengers with the highest level of protection on the road....3970010 SBC Casting Number Question. Discussion in 'The Hokey Ass Message Board' started by geemann51, Mar 3, 2009. Joined: Dec 16, 2001 Posts: 2,120. Profile Page. geemann51. Member. from Fischer, TX. I just picked up a SBC 3970010 4-bolt block. Mortech lists this as a 69 327 or a 69-80 350. 3970010: 350: 2-Bolt or 4-Bolt: 3970014: 350: 2- Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. ... 3970010. 69-79. 302/350 ... The antilock brake system (ABS) is controlled by it...
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