010 as a casting number i.e. 3970010 is found both on the outside left rear of the bell housing boss as the complete casting number and as the number "010" cast into the right side of the block ahead of the starter location. Casting number 3970010 is a very desireable block it is a 4 inch bore used for late 327s, Z28 302s, and heavy duty 350s ...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. ... In the 3970010 number, the "010" portion indicates the product is made with a high-nickel, low-ear iron alloy. ... the 350 Chevy hasn't been in ...22 posts · Joined 2012. #3 · Jul 19, 2012. No it isn't. There is no date code or clock on rear of the engine. One forum quoted that GM moved date codes to the side of the block in the 70's. This is passenger side between the core plugs. Block code (in the usual place) confirmed as 3970010 "M" code next to this.Re: how much can a 3970010 block handle, it has the 010 high nickel casting ive personally run dyno proven 976 hp on a factory 2 bolt block with aftermarket caps and a half fill .biggest problem was keeping head gaskets on, because everything moved so much at those power levels. also had some main cap walk .had to be very careful with tune up not to detonate it .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 …Oct 25, 2010 · It is a 3970010 four bolt block which sounds like it was produced from 69-79. It appears to be a higher nickel block as it has the 010 casted behind the timing chain cover and the back of the block above the crankshaft flywheel flange. Be nice to know what year it was casted. I have 3 E 17 on the right side between the frost plugs.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 take it ...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. The 2 bolt blocks can be converted to 4 bolts with all the strength of factory 4 bolt versions.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.But let us say it is an original engine according to the numbers and date on the block. I have no idea about the pad ... All i know about the engine is the engine number, date and what the pad says Engine number: 3970010 Engine date: D234 Engine pad: MJ18800 Attached Images Last edited by TheSaint; 03-14-2017 at 04:44 PM. Reply …Manufacturer Part Number. 3970014. eBay Product ID (ePID) 654700723. Product Key Features. Vintage Part. Yes. Show More. Show Less. ... $249.00. item 2 SBC 350 V8 ENGINE MOTOR 3970010 2 BOLT MAIN SMALL BLOCK CHEVY 30 OVER 1979 TMH SBC 350 V8 ENGINE MOTOR 3970010 2 BOLT MAIN SMALL BLOCK CHEVY 30 …Block #3970010 was used from 69-75, and is a 350. It was used in passenger cars with 255 or 300HP, Chevelles with 300HP, Camaros (as a 302) with 290HP, Chevy II's with 300HP and Corvettes 300 or 350HP. ... Chevy By the Numbers ('65-'69) lists two 350's in '69 ending in X (I don't have data for '70). One was IX, put in a police package passenger ...I just pulled the motor out of my 86 k10, and i know it wasnt the original motor, but i cant find out what the motor was originally out of. the numbers behind the alternator are C8F398942 and D21OTWZ i could be wrong on some of the letters, im gonna go back out and check in a minute. but could...This block is clean and stripped on an engine stand. Rotate it and can find nothing except whats between the frost plugs on the right side. 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.Aug 26, 2022 · When adding the rotating assembly (crankshaft, connecting rods, pistons, bearings, etc.) to the bare block and creating a short block, the small block Chevy weight increases to just under 300 lbs. Adding the (cast iron) cylinder heads, timing cover, oil pan, and valve covers results in a long block tipping the scale at just over 400 lbs. (about ...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 ...Sep 1, 2017 ... That is a casting number for a 351c block, casting date is October 22nd 1971. The same casting number was used for the 4 bolt and 2 bolt main ...Don't confuse the "010" pattern ID (which identifies a foundry pattern piece for a 3970010 block) with the "010-020" raised numbers that indicate the 0.1% and 0.2% tin and nickel content in some blocks; that was an extended tryout where the added tin was to improve machinability and the added nickel was to improve bore wear.Ok you have a 3970010 block, now look at the date code on the back of the block. If the date code is anything higher than 71 it is a 350. 68-70 it could be a 302, 327, or 350. The 302 block had additional stamping that read DZ, most likely it is not a DZ block. Next look at the heads and crank, check the casting numbers and dates on the heads.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.Small Block Chevy engine identification. Code identification, Casting Number info. ... but it's a portion of the Small Block Chevy numbers information. The Engine Code page is where this topic is further detailed. ... 3970010: 327--2 : A: 1969-79: 3970010: 350: 185: 370: 2 or 4: car, truck, Vette: 1970-73: 3970014: 350: 200: 300: 2/4:882 casting heads are 76cc castings. a 3970010 block is a 4" bore block. You have a 350 there. A 305 of that vintage would have 450 casting heads and a 460776, 777, or 778 block. I just scrapped one that was in a 79 Camaro. I have never seen a 3970010 casting block that was anything else that a 4" bore medium journal block.Jun 3, 2008 · Ok you have a 3970010 block, now look at the date code on the back of the block. If the date code is anything higher than 71 it is a 350. 68-70 it could be a 302, 327, or 350. The 302 block had additional stamping that read DZ, most likely it is not a DZ block. Next look at the heads and crank, check the casting numbers and dates on the heads.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. 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 ...What year is a 350 Chevy engine with casting no 3970010 and c5j129384? casting number 3970010 is a 350 block from 1969 - 1979 but in 1969 302 and 327 have the same casting # and im not to sure ...To SBC Block Casting Number 14010207. C3 Tech/Performance - SBC Block Casting Number 14010207 - I am having a 383 stroker built for my 71 . I had specified to the engine builder I wanted a casting#3970010 block since this was the original. I was concerned about all the accessory holes, clutch cross-shaft mount , etc.Chevrolet Engine Block Numbers. All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. ... 3970010: 350: ...Chevy block small casting 700r4 gearbox chevrolet engine plus numberCasting chevy number gearbox 700r4 chevrolet block engine plus small 350 sb chevy complete engine$199 gm 3970010 chevy engine block tyz corvette, camero or conv. cab.Comcast Xfinity customers have several options for blocking calls from unwanted numbers to a landline or cell phone. Comcast provides both a robocall blocker and a call screening s...We we see a 010 020 block, and for Chevrolet, the 307/350 was a high percentage of engines made in the 70's. At one time, the Chevrolet division had more model engines than all the other GM lines combined. 1960's 70's. Pontiac, Buick, Oldsmobile, Cadillac had mostly one design engine. with 2-3 cubic inch separation 350/400/455 Cadillac 472/500.Any of the caps on a stock block other then the 2482 are just a std. grey cast iron cap. Now the 400 4 bolt center caps are nodular iron cap same material as the 2482 350 center caps. Hmm, so all of the 2 bolt caps are gray, as well as #1 and #5 on 4 bolt engines, 350 and 400]. Interesting.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 stamp code V0527DZ (May 27).Small Block Chevy BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan.SBC BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC BlockLooking 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 ...#1 · Aug 23, 2008. 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. Is there a way of narrowing this down any further? This is in a 71 Chevelle, 1st part of VIN is 13637.While the prior 427 big-block was bored to a full 454 cubic-inches, the Corvette needed added power to GM's successful small block. The LT-1 would be one of the most significant upgrades to an engine GM ever made. ... Good story Josh but your numbers for H/P & torque were too high by 100 points. Reply-A says: March 26, 2021 at 12:01 am.Driverside dipstick 3970010. I did a thorough cleaning to find a number to identify my block better as I am still thinking it is a 1976 or 71. On the 4.5'' pad on the front I got a number c61173 853 k06 03 9k. And on the side in picture one I think it says (d f 1). In picture 2 on the left ledge at the back it says 3970010 K and the number 2 in [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.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.Chevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings are always a work-in-progress. If you have any documented info that can be added to these pages, please contact me and let me know.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 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 Foundry Division, but they are not part of the block casting number.Discontinued NOS GM Sheetmetal; Online Store; ... Year Date Casting Size 2/4 Bolt BB=Bare Block Notes/Pad Number. ... 69 F-4-9 3970010 4 BB CE9B23598Jan 3, 2022 · 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. 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 ...350 SBC, Block# 3970010, V1008TYU. ... It is not really a number you can compare to a typical high performance dyno figure. The net figure was with all the accessories and exhaust, just like installed in the vehicle. ... Vortec heads will flow better than any stock GM head from back when, even with the smaller valves. One downside; with stock ...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.My 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 ...Gm casting number 3970010, 350 4 bolt mail block. Need car detail. I have a 350 4 bolt main block with casting number(###) ###-#### Can you tell me the year and the vehicle it originally came out of? …The first place we typically look is the casting number on the back of the block. There are dozens of numbers used from 1955 through the ’90s, but there are a few standouts that indicate a performance engine. Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank.Jan 22, 2007 · 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.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 casting number.chevy 350 dipstick location. 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 ...Hi guys, hoping someone can set me straight about the block I have. I have a bare block that has casting number 3970010, it is a 4 bolt main block with the main caps stamped 2842, it also has 010 buy the oil filter housing which means 10 percent more iron or nickel which should mean a better block. However these blocks were 302 in 69 and 327's ...Albrecht auctionsChevy block engine gearbox 700r4 casting chevrolet plus number small Q&a: small block chevy casting numbers 3970010$199 gm 3970010 chevy engine block tyz corvette, camero or conv. cab. Puzzled about my engine codes, please help!Offerup simplest locally Corvette conv cab camero tyz showmethead700r4 casting gearbox chevy ...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 ...The block casting number for 67 302's & 350's was 3892657; 68 302's & 350's was 3914678. 69 used a variety of blocks of which the most common was 3970010 (the "010" block). As I stated earlier 67 and 68 blocks were coded "MO". Only 69 blocks were coded DZ. These letters refer to the code stamped into the engine pad.3970010 not three zero 15k427850 not six will remove pan tommorow. Blue Bowtie. 10-31-2006, 09:35 AM. ... Its not hard to find out were it came from, go to google type in "chevy block casting numbers" and trhe first site is a mortec one, look for the number there. They tell you engine size, year, and number of main boltsNov 11, 2005. 8,399. living the dream in my own world... rwflather said: I also have a 3970010 block. It has the 010 and 020 on the back and front, so I also know it is a high tin/high nickel block. The casting date is I 3 9, so I assume it is late 69/early 70 block, and is a 4 blt main block.Small Block Chevy BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan.SBC BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block cast.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.Jun 3, 2008 · Ok you have a 3970010 block, now look at the date code on the back of the block. If the date code is anything higher than 71 it is a 350. 68-70 it could be a 302, 327, or 350. The 302 block had additional stamping that read DZ, most likely it is not a DZ block. Next look at the heads and crank, check the casting numbers and dates on the heads.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.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.Only thing I found, it was block number 3970010. I was wondering if it's a crate engine(I wouldn't be suprised), or L48 could go with this number. BTW whole block is red, not blue as it was painted in factory. ... Also i saw big 40 number near GM logo on the driver side on the back. Reply Like. Get notified of new replies. To 3970010 block .... The chance of it being a 302 is almost nil, and it beBoth the 327 and 350 had the same number 3 The casting number on Chevy V8's is located on the drivers side of the engine where the block is connected to the bellhousing. It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. That block casting number was also ...Am trying to get info on my small block chevy. Casting number is 3970010. Stamped numbers are V0205ZAH and 19S423482. Near as l can find out through the internet l have an engine manufactured in 1979 to be installed in a 1980 Vette. The internet only shows ZAD, then jumps to ZAK, NOTHING FOR ZAH. Re: Chevy 350 block info? Your block code TAX with casting number 3970 '73 - '87 GM Truck Modifications. Engine & Performance . Block code number questions? ... Curious on what exactly I have, it seems I'm missing a number on the stamp on the block but from what I've found it came up as a 350...as for the heads they seem to have come off of a 305. ... 3970010 302 69 4 Z-28 Camaro 3970010 327 69 2 Trucks and ... If you know all the ins and outs, then on...
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