3970010 chevy block

i was under the impression that this particular block casting 3970010 was some how stonger than other blocks high nickel or not. most of the casting number index sites show this number as "Heavy duty truck block hi perf ECT" they both came from circle track cars there must be some reason they were prefered not just for the nickel and tin …

#2. Gary S. Administrator. Lifetime Gold Member. Apr 14, 1999. 25,167. Bismarck, North Dakota. They are basically the same. Chevy made both castings and …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 ...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.Casey, One: the 3970010 is a medium journal main diameter block, the 1967 and earlier small blocks were small journal. Your hopes of it being a 65 Vette motor are for naught. 3970010 could NOT possibly have been in a …Mar 3, 2009 · Until you take the pan off, don't assume its a 4 bolt just because of the casting number... been burned by that issue myself. Got a 77 3/4 ton van... was original, and a 3970010. Got it home, cut the van apart around it, put it on the stand. Started to disassemble it for the rebuild and found it was a 2 bolt. So I forked out a lil extra and put ... 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 …

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. 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 ...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. 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.Nov 12, 2020 ... ... Chevrolet 3100 5 Window Pickup and over 200 other classics! Mechanics: GM 350ci V8 Engine Engine # 3970010 - Hydraulic Roller Camshaft ...Yes, 3970010 is the Z-28 302. Also used in 350 applications for the Corvette, camaro, Chevt II, Chevelle and passenger. It was also used as a truck block. So yes, the Block number itself does not make it a Z-28. And as mentioned, the VIN Suffix is what makes it so. The vin stamp will use the Suffix DZ and only DZ.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.

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.High Nickel GM #3970010 Engine Block "010 020" Marked Block decoding High Nickel! I estimate this motor makes around 420hp at 5500rpm and around 450ft lbs torque. ... 3972110, ss rs camaro motor engine, 302 DZ, 302 MO, CHEVY ENGINE, CHEVY MOTOR, 1969 1970 CAMARO Z/28, 1970 LT1 MOTOR, 350 360HP, 350 370HP, 302 …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. It has ...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. ... Used for some Chevy II CE replacement blocks: 3970010 : 69 : 302 : 4 : Z-28 Camaro : 3970010 : 69-80 : 327 : 2 : Trucks and industrial: 3970010 : 69-79 : 350 only : 2 or 4 : 3970014 : ...

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On small block chevy`s I`ve never seen the suffix code at the start of the numbers, there always last. ... but then I just went out and bought a Chevy Parts Interchange book. 3970010 is the block that I started with on the 350 that turned out to be bored 060 over and the cam had a bearing 010 over. 1965 Plymouth Fury III Sedan 383 …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...Same engine the stamp number passenger side front behind alternator on the block is T51509012 Any help would be appreciated . Reactions: crunchyg. TXK20 New Member. Joined Jan 3, 2015 Messages 10 Karma 1 Location Dallas, TX Car '82 Chevy K20 Jan 3, 2015 #2 Casting No. 3970010 = '69 327 from Camaro, '69 327 from trucks and …The Big Al. 16098 posts · Joined 2007. #2 · Mar 3, 2013 (Edited) TDB = 1980 350cu 190hp GM replacement engine. The casting is a3970010 I have seen the last number left off. Could be a 2 or 4 bolt main. Note: Engine could have been rebuilt and used a 350 block for the 327. Al.Harmonic Balancer. HI GUYS, I'M JUST GOING THROUGH AN ENGINE THAT I PICKED UP A WHILE BACK. 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.

A user asks how to identify the model of a Chevy block with casting number 3970010. Other users suggest checking the stampings on the front pad, the crankshaft journal, and the bore and stroke measurements.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 …... block Engine, Chevy 350 short Block Engine for sale, GM 350 Engine, GM3970010, Remanufactured GM Chevy 350 Short Block for Sale, Short Block. Description ...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....17889 posts · Joined 2005. #2 · Aug 1, 2009. Here's the applications that I found: 3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main. 3970014 350 69-79 Truck 2 or 4 bolt main. 3970014 350 72 Corvette late '72,200 HP,255 HP 4 bolt main. dustinadkins433 and Admin.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...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 ...We have V6, V8, and L4 engine block types, and bare blocks of various materials including aluminum, billet aluminum, steel, cast iron, and ductile iron. Find the perfect foundation for your Chevy, Ford, or Mopar build-up, including Chevy 350 and 454, Ford 302 and 351w, Hemi, Corvette, LS, and LSX engines. Explore Summit Racing’s vast ...

SBC 350 V8 ENGINE MOTOR BLOCK 3970010 2 BOLT MAIN SMALL BLOCK CHEVY 30 OVER. Pre-Owned. 1 product rating. $749.99. camaro-parts-world (26,333) 99.9%. Was: $999.99 25% off. or Best Offer. Freight. SBC 350 V8 ENGINE MOTOR BLOCK 3970010 4 BOLT MAIN MJ21800 MADE IN MEXICO GM 2.

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 ... 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...For years I have seen certain Chevy small block cylinder blocks, the ones with the "010/020" cast into the timing recess and behind the bellhousing flange, referred to as "high nickel" blocks. ... This photo is also of a 3970010 block, cast in 1969, that does NOT have the 010/020 cast under the timing chain cover. This is the cylinder block in ...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.Apr 11, 2008 · 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. My 3970010 350 block is a 10 and I'm sure it'll wear just fine as most blocks of that era were 10's. '72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water …brand-new Chevy engines. “If you buy a 350 Chevy from someone else, you just bought a used. Used 350 block block only 3970010. $100 4 bolt main for sale in Steubenville – 350 block block only 3970010. $100 4 bolt main posted by Donald Merritt in Steubenville. 350 Chevy block 3970010 4 bolt main $100 – letgoAlso 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.Mar 15, 2006 · Harmonic Balancer. HI GUYS, I'M JUST GOING THROUGH AN ENGINE THAT I PICKED UP A WHILE BACK. 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.

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First, small block chevy block castings changed certain features over the years, and early model 3970010 blocks had a longer pad in the numbers-stamping area in front of the passenger cylinder head. The short, almost square pad you show in your photos is from mid-to late 1970's.Mar 15, 2006 · Harmonic Balancer. HI GUYS, I'M JUST GOING THROUGH AN ENGINE THAT I PICKED UP A WHILE BACK. 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. 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.May 2, 2015 · Block is a 3970010 , opposite side of block is stamped G17 ... 18C122629 means=1=Chevy, 8=1968 probably, C=Southgate, Cal, a full size chevy plant IIRC, the rest are ... 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 ...A user asks if SBC #3970010 is a good block for rebuilding and gets various replies from other users. The block is a 2 or 4 bolt main cast in Mexico and used in different models and years of Chevy cars …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 …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.The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices. By clicking "TRY...GM/Chevy Small/Big-Block Engine Serial Number. A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. …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 ...SBC 350 Bare Engine Block Casting # 3970010 4 Bolt Main Machined and Painted. stoversps (174) 100% positive; Seller's other items Seller's other items; Contact seller; US $1,250.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit * … ….

The #3970010 block casting number is for a 4.00" bore block, so because of that block casting number and the 4.00" bore that eliminates the chance of it being a 305. You've got a 1974 350, likely a 4-bolt main as it was for HD and Police use and came with a Turbo Hydramatic 400 transmission. ... How to decode Chevy Engine Codes . Save …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 about the other # What year is a 350 Chevy engine with casting number ...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 …350 SBC, Block# 3970010, V1008TYU. Jump to Latest Follow ... 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!Yes, 3970010 is the Z-28 302. Also used in 350 applications for the Corvette, camaro, Chevt II, Chevelle and passenger. It was also used as a truck block. So yes, the Block number itself does not make it a Z-28. And as mentioned, the VIN Suffix is what makes it so. The vin stamp will use the Suffix DZ and only DZ.We have V6, V8, and L4 engine block types, and bare blocks of various materials including aluminum, billet aluminum, steel, cast iron, and ductile iron. Find the perfect foundation for your Chevy, Ford, or Mopar build-up, including Chevy 350 and 454, Ford 302 and 351w, Hemi, Corvette, LS, and LSX engines. Explore Summit Racing’s vast ...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. Block is a 3970010 , opposite side of block is stamped G17 ... 18C122629 means=1=Chevy, 8=1968 probably, C=Southgate, Cal, a full size chevy plant IIRC, the rest are ...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, and Nova. 14015445 - This is another small block V8 engine that was produced from 1975 to 1985. It was used in the Chevrolet C/K truck and the GMC Sierra.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. 3970010 chevy block, 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 ... , My 3970010 350 block is a 10 and I'm sure it'll wear just fine as most blocks of that era were 10's. '72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water …, ... block Engine, Chevy 350 short Block Engine for sale, GM 350 Engine, GM3970010, Remanufactured GM Chevy 350 Short Block for Sale, Short Block. Description ..., 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 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., 1969 396 casting date C 14 9 for March 14, 1969 - note this casting date is on the rear of the engine block next to the bellhousing. 1970 396 casting date B 6 70 for February 6, 1970. Note 1970 has a 2-digit year code. 1970 454 casting date of C 10 70 for March 10, 1970. , We have V6, V8, and L4 engine block types, and bare blocks of various materials including aluminum, billet aluminum, steel, cast iron, and ductile iron. Find the perfect foundation for your Chevy, Ford, or Mopar build-up, including Chevy 350 and 454, Ford 302 and 351w, Hemi, Corvette, LS, and LSX engines. Explore Summit Racing’s vast ..., 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., The 3970010 casting was introduced by GM in 1969 and was used through 1975. It was produced in both 2-bolt and 4-bolt main configuration and these applications varied greatly from year to year. In the 1969 model year, Chevrolet documentation shows the block only being used in the 4-bolt main configuration. This block saw extensive …, 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 ..., 1265 posts · Joined 2016. #4 · Apr 21, 2022. 350 truck motor – 4 bolt main VO217WK used in C10 to C35 trucks and industrial equipment came out of a MF combine. Built in Towanda, MI. Block 3956618 date B129 (Feb 12, 1969) Also used in 1969 302, 327, and 350. Heads 3927186 date: G318 (July 31, 1968) 64 cc, used on 69 302 SAVE FOR WHITE 68., I have 2 questions about Chevy 350 blocks. I have been looking around and from what I have found is that the 010 020 block is a high nickel high tin block. ... 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 ..., 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. , This is what i have on you #s 3970014 block =350 1970-1976 can either be a 2 or 4 bolt engine. don't about the 200hp. Cole. C. Canuckcamaro Discussion starter. 32 posts · Joined 2011. #3 · Mar 10, 2011. Yeah that is what i …, Chevy Small Block Engine Casting Codes. First Generation Pictures; ... Passenger/Chevelle/Chevy II/Corvette/Camaro : 3970010 : 1970-80 : 350 : 145-350, 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..., The Cheverolet 283 small-block engine was first produced in 1957, generating between 185 and 283 HP, and maxed out at 315 HP in 1961. This engine became famous as the basis for lar..., 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 ... , Nov 12, 2020 ... ... Chevrolet 3100 5 Window Pickup and over 200 other classics! Mechanics: GM 350ci V8 Engine Engine # 3970010 - Hydraulic Roller Camshaft ..., 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 ..., 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 …, C3 Tech/Performance - 1970 LT1 engine number - My 350 engine has an engine number starting with CEC. The block # is 3970010. I ordered this engine new over the parts counter from a Chevy dealer in 1972. I thought it was a 1970 LT1, but the CEC prefix doesn't match up with anything I can find in the books. What does..., See full list on chevygeek.com , 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. , Apr 11, 2008 · 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. , 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., 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 ..., 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 …, If you’re in the market for a used SUV, a Chevy Blazer is definitely worth considering. Known for its reliability, versatility, and stylish design, the Chevy Blazer has been a popu..., , The block is a 3970010 350 and I will go from there. When i dissassembled the engine I found that the engine had been rebuild already with very low miles on it. The inside is a clean as if I just built it, there is …, 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 …, My 3970010 350 block is a 10 and I'm sure it'll wear just fine as most blocks of that era were 10's. '72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water pump, Holley ...