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 bolt mains. I am assuming that it is a 350 and not one of the '69 302s or 327s.1981 Oldsmobile Cutlass Brougham Chevy 350- 10:1 compression, 305 HO heads mild port and polish, ... A 3970010 is the most common block i've seen for a gen 1 350. They are starting to get harder to find now days. if its a 10/20 block they are even more difficult to find. They came in 2/4 bolt main, and 2-piece rear main seal.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 [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 3970010.1976 SBC Small Block Chevy 350 2 Barrel Engine 3970010, 333882 Heads, 346260. Condition: Used. Price: US $500.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. Shipping. Freight - Check the item description or Contact the seller for details. See details.Mortec also has information on Chevrolet V-8 bore and stroke numbers, GM crate motors, Holley carb tuning tips, and crankshaft journal sizes. We are constantly adding new engine codes and auto parts to the site. Since 2012, Mortec hosts free car mechanic forums, staffed by seasoned auto technicians with unmatched experience and a passion for helping …Small Block Chevy Suffix Codes: TBT - TJS. 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 ...Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. ... 3970010. 69-79. 302/350 ...383 gm stroker 4 bolt main - $3,200 (Orrville) ‹ image 1 of 9 › QR Code Link to This Post. I have a Chevy 383 small block stroker gm 3970010 3200 obo contact Mike at show contact info. post id: 7749362171. posted: 2024-05-21 22:36. ♥ best of . Avoid scams, deal locally Beware wiring (e.g. Western Union), cashier checks, money orders ...The block casting number (drivers rear at back of block) is 3970044. No one seems to think this correct, but that is what it is. We do not know what the engine came out of. The number on the passenger side of engine on the pad are 14L192810 then 10219CMA. I believe it is a 350.When comparing mechanical roller to hydraulic roller cam specs, remember to subtract the lash from the mechanical roller lifter's net valve lift numbers. So if the cam has a gross valve lift of 0.550 but requires .020-inch lash, the net valve lift is really 0.530 inches.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.Block 3 #3970010 GM 350 4 Bolt Main.Date L.16.1.Dec 16,71.Std Bore 010 High Nickel. Block 4 #10125327 LT 1 350 2 Bolt Main.Date A.21.5 Std Bore.$175 Block 5 #3970010 GM 350 4 Bolt Main.D.17.9.April 17,69.Std Bore.010/020 Front Pad CE I have a set of Nos 461 Camal hump heads with 2.02/1.6 valves with the original boxesSome of the later model blocks have the casting number on the passenger side of this ledge. 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 individual letters found on blocks like GM or CFD for the Central ...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....$199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. cab. Check Details. Q&A: Small Block Chevy Casting Numbers 3970010 - Explained. Check Details. Puzzled about my Engine Codes, please Help! - Camaro Forums - Chevy. Check Details. Chevy 350 / 325 HP High Performance Balanced Crate Engine - Five Star.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 ...2. Engine: 350 Chevy SB I think. (4 GM 3970010) This is engraved on the block 3. Transmission: 350 Automatic - 3 Speed Things I did since I bought the car: 1. Spark plugs replaced 2. Spark wires replaced 3. Crank wheel replaced (Not sure what this is called I translated from Arabic to English)SBC Head Casting Numbers. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. This block number has been used in many different versions of this aluminum 18 deg and 15 deg Bowtie race head. Different chamber volumes, port volumes, port locations, valve sizes, etc. were used.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 …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.I have a 3970010 block in my 69 camaro that is stamped "CEB1362" on the pad behind the alternator. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! ...Find many great new & used options and get the best deals for 1973 Chevrolet Corvette L82 350 Bare 4 Bolt Block 3970010 CLD Code Standard F83 at the best online prices at eBay! Free shipping for many products! Skip to main content . Shop by category. Shop by category. Enter your search keyword. Advanced: Daily Deals; Brand Outlet ...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, 3956618, and 3970010.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. "When used separately, women and alcohol can be alot ...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. ... 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 ...General Motors has developed a self-driving car called the Cruise AV that has no steering wheel or pedals. Learn more at HowStuffWorks. Advertisement Get ready for a self-driving c...Chevy 350 engine block 3970010 for sale in surprise, az. Running 1974 chevy corvette l48 350 engine 3970010-soldPuzzled about my engine codes, please help! Chevy 350 / 325 hp high performance balanced crate engineBore sbc crank shift. ... GM 3970010 - 4 Bolt Main Block Original Chevy 350 Motor Engine for Sale. Check Details. 350 sb chevy ...Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.GM and LG Chem announced Friday plans to build a second U.S. battery cell factory — a $2.3 billion facility in Spring Hill, Tennessee that will supply the automaker with the cells ...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...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 ...Where the 3970010 is cast it just has a GM id above it and to the right of the number it has K 11 but thats it. Seems to be a bit of an oddball. As far as the 010 behind the timing chain there is a larger number 2 just above it but with no zeros. The higher nickel/tin is what I found in trying to research this block casting on the internet.Gm casting number 3970010, 350 4 bolt mail block. Need car detail. I have a 350 4 bolt main block with casting number(###) ... I have a 5.7 350 chevy engine and I'm not sure what it came out of I think it is an L series engine the # XXXXX on the front by the head is ...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.have a chevy 350 engine #3970010 how can i tell if it is a 2 bolt or 4 bolt main. Answered in 8 minutes by: Chevy Mechanic: Anthony. Hi and welcome to Just Answer! That casting number was either 2 or 4 bolt main, the only way to be positiove is to take off the oil pan and look at the mains. Anthony.2. K-20. Enter your engine SUFFIX CODE in the Search box below. E.g. 0FC, 0XA, 1XJ, etc. Or read about engine serial numbers first to identify the suffix code. Bonus: Want to know the information about your GM/Chevy engine? Enter the engine serial number suffix code in the "Search box" to find out the year, C.I.D, etc.The small block Chevy ("SBC") is a series of 90-degree V8 automobile engines produced between 1955 and 2003 for various GM vehicles under the Chevrolet name. Production displacement varies from 262 CID to 400 CID. Due to the long run of these engines and the high number of vehicles they were installed into, they are a very …383 stroker flexplate starter issue. just got my engine back. was a 350 (3970010), but now is a 383... has an eagle stroker kit. the problem is when i try to start it, the starter does not mesh close enough to the flexplate, it grinds and crunches, will start the engine about 3 times, then goes to only grinding, and no engine movement. the ...The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Below is the meaning of each of the letters and numbers in the engine serial number: 1st letter = assembly factory. 2nd and 3rd digits = month of the assembly. 4th and 5th digits = day of the assembly.Need 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 ...Re: Chevy 3970010 block Post by Blue Malibu » Tue Sep 29, 2015 12:56 am We used to have a good deal with a local dealership, paid them the scrap price foe complete engines, and we had a bunch of those blocks, some were out of vehicles, but most were returned core gm goodwrench engines.Apr 9, 2006 · 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 take it out of?High nickel block.Stud the bottom end,square everything (machine work).I've used this very block in several drag motors.Making 580H.P right now with one thats 7 years going strong...600 H.P is what I'd rate it at pretty easy. (best block to use IMO for a drag app.) with less than 400 cubes. Reply. 07-30-2010, 09:33 AM. # 4.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.Joined 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.Qué hay amigos! Video de la afinación de Roger, nuestra camioneta pick up con un motor V8 carburado, cambiamos bujías, filtros y se va a lavar el carburador,...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. ... At any time, there are probably twice as many L72 and L88 cars for sale, as were made by GM. Of course, each is "Bloomington Gold, NCRS Certified, Barn-Fresh, Survivor, Documented, blah blah blah ...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 ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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 ...Joined 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.davetc said: what problems will i face putting a roller cam in a 70's 350, 3970010? i am wanting to build an good, reliable, smooth, long lasting engine. i do understand a cam button will be needed. i would also like input for the combo i am thinking about. 355 sbc. crane roller cam part 119811 204/214 @ .050, .429/.452 lift. sbc L31 vortec heads.Need to know gm engine id number 3970010? Updated: 10/24/2022. Wiki User. ∙ 14y ago. Best Answer. 4bolt 350ci. Wiki User. ∙ 14y ago. 4bolt 350ci.3970010. Jump to Latest Follow 2K views 9 replies 8 participants last post by Limey1958 Mar 1, 2022. L. Limey1958 ...2. K-20. Enter your engine SUFFIX CODE in the Search box below. E.g. 0FC, 0XA, 1XJ, etc. Or read about engine serial numbers first to identify the suffix code. Bonus: Want to know the information about your GM/Chevy engine? Enter the engine serial number suffix code in the "Search box" to find out the year, C.I.D, etc.The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Below is the meaning of each of the letters and numbers in the engine serial number: 1st letter = assembly factory. 2nd and 3rd digits = month of the assembly. 4th and 5th digits = day of the assembly.3970010 is a 350 from 69-74. Are there any other numbers and letters in the front pad? From what you've provided, this is what I came up with but others may have a different origin and date: K = St. Catherines, Ontario (some GM engines were cast in Kosai, Japan [K] however for this block, I highly doubt it) 09 26 = September 26Bid in a Proxibid online auction to acquire a 39GM 3970010 Block GM 4 Bolt Main from Kiko Auctioneers.Need 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 …C1 & C2 Corvettes - Anyone know this block GM 41 3970010 - I know its a 350, (I believe), has a drivers side dipstick and a 8 for its build year. I would think 1978 cause the small pad in the front of the engine is the smaller square shape not the longer more narrow older style pad for 1968. The pad is smooth so...The block casting number is stamped on the left front of the engine block, usually above the vibration damper. It consists of 3-8 numbers or letters that indicate the manufacturer, displacement, and date. Common GM block prefixes include: V codes (e.g. VIN code) for small block V8s. Y codes for small straight-6 and inline engines.My understanding is the 3956618 block was used for many high performance 302 and 350 applications beginning around January of 1969 while GM retooled the Flint plant for the 3970010 block. I don't understand the complete history and exact usage, but I believe the 3956618 block was used thru the end of the 1969 model year with a few of …Restored 55 chevy Belair Blown, Fuel Injected ... Casting number 3970010 cast date J231 - Cast on Oct 23rd 1971 12c138930 = is the partial VIN of the car it came out of, with the C indication Southgate Plant which built only Passenger (Impalas etc) cars. It was a 1972 Passenger Car and was the 38930th one made.Chevy 350ci V8 SBC Engine Block 3970010 010 020 Std. Bore. chanpea_3787. (5) 100% positive. Seller's other items. Contact seller. US $600.00. or Best Offer. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*.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 a '69 ...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.Needed freezeplugs and cambearings and was ready for assembly. Took him FOREVER to find a buyer at $200, then the person that finally bought it was happy as a clam to have found it. FYI...not all 3970010 castings are high nickel. A "010" cast in the area behind the timing gear would denote a high nickel block.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!I realize there are 2 configurations of pan gaskets for SBC, but I believe the difference was the thickness of the FRONT seal, not the rear. I'm a bit confused. I always was only 1 thickness seal for the rear of the block. The year of motor is a bit of a mystery. It is a 350 4-bolt main, 2 pc. rear main seal motor, block casting number 3970010.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...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!Send Private Topic. View Profile. Re: Decode Small Block 3970010. 12-13-06 03:06 PM - Post# 1050067. In response to DonSSDD. On the block deck at the front of the pass side head are a set of engine codes. Find them, post them and I will tell you exactly what it is. Should be 2 different sets like this example'. 18N300001 con vim.1968 3970010 327 2 bolt. This is a side post from my original post about my motor. Everybody knows the 010 block was used on 69 to 79 350s. Everybody do some research and let me know what you find on a rare 010 block 327 2 bolt built in 68 what they were in and maybe how many were produced if any. Keep and open mind and search more than …Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.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 [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.The #3970010 casting block is the most common four-inch bore block ever made. It comes from a 350 and likely has a forged steel crank, but the heads are terrible for performance improvements. ... Let's face it - the 350 Chevy hasn't been in production since the 1970s. When you look for an original engine that hasn't been rebuilt at ...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 …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.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. carstarzautosalesllc …SDPC Part Number: 10067353 Manufacturer: GM Goodwrench Replacement Engines New/Reman. : New Core Value : 100.00 Transmission : A/S Cubic inches : 350 Liters : 5.7L ... i have what i think is a targetmaster now the thing is its blue the casting # is 3970010 now everthing says 69-70 350. but then the stamping # on the front of the motor is ...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 ...What could be the spec for a Chevy block casting Block 3970010 heads 14102193. Is this a good engine? Those may not be the numbers needed for correct identification.Download Ebook Chevy 350 V8 3970010 Engine Manual Read Pdf Free Original Corvette 1968-1982 Internal Combustion Engine Manual Collector's Originality Guide Corvette 1968-1982 ... Chevy Small-Block V-8 Interchange Manual, 2nd. offsite.creighton.edu Edition Camaro Restoration Guide, 1967-1969 Diesel Engine Repair Manual Toyota| 1968, 1969, 1970, 1971, 1972, 1975, 1976, C3, casting, Corvette, engine, exhaust, left, manifold, number, numbers, rightI have a choice of 2 clean std bore blocks to use for a 383 mild street build max 500 HP, 1 is 3970010 4 bolt with good sonic test etc. Other one is GM Goodwrench Mexico build 10066036 4 bolt with little use, not yet sonic tested. Is there any advantage in using the Mexican late model 2 piece seal block ? if so, can anyone let me know details ...Send Private Topic. View Profile. Re: Decode Small Block 3970010. 12-13-06 03:06 PM - Post# 1050067. In response to DonSSDD. On the block deck at the front of the pass side head are a set of engine codes. Find them, post them and I will tell you exactly what it is. Should be 2 different sets like this example'. 18N300001 con vim.Check Details Offerup locally simplest. $199 gm 3970010 chevy engine block tyz corvette, camero or conv. cabChevy 350 engine block 3970010 for sale in surprise, az 350 chev small block chevy 3970010 4 bolt main flat top 1972 sbc1969 302 350 sbc small block chevy 2 bolt main engine block 3970010 010.Also 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.The code is 3970010 (69-79 or 80 350). I am trying to figure out any oth, Aug 23, 2008 · Engine casting # 3970010--how to find the year. Thanks to some GREAT help, I found my engine casting n, The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side, Re: Engine Casting Block #3970010. 02-12-06 09:07 PM - Post# 873994. , SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY 1973 Chevelle., How to identify a 4 bolt main small block chevy.This deals with one tr, Mar 11, 2009 · 1 post · Joined 2010. #6 · May 15, 201, Some smallblock blocks may also have the BLOCK CASTING D, Posts: 186. 3970010 Engine Suffix Help. I recently purchased a 67, C3 General - Block casting GM 41 3970010 with a 78 date code. Wh, C3 Tech/Performance - 1970 LT1 engine number - My 350 en, The 3970010 block is a VERY common block used from '69 through &, Casey, One: the 3970010 is a medium journal main di, Nov 11, 2005. 8,399. living the dream in my own world, Could be anything from a 302 to a 350 if OEM cranks a, Mar 15, 2013 · Posts: 186. 3970010 Engine Suffix , GM p/n 471529 for 12.75" 153 tooth w/ Converter Bolt Pattern of, I know that there was a big shakeup in 1969 where GM changed .