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Big Block Chevy Dart 308, 320, 340, 360, 370, PRO1, Iron Eagle Step 1: For best results, it is necessary to check the stud girdle for fit before final installation. The stud girdle is designed to fit only Dart 308, 320, 340, 360, 370, Pro1, and Iron Eagle cylinder heads. The application is stamped on the stud girdle.Need to know gm engine id number 3970010? Updated: 10/24/2022. Wiki User. ∙ 14y ago. Best Answer. 4bolt 350ci. Wiki User.302 BLOCK 3970010. Jump to Latest ... 1971 Chevelle "Heavy Chevy" original owner 1973 Z-28 ..one family car...Brother bought it new in 73 . Bill Koustenis Owner ... The only block that will make the car a true "numbers matching" car, is the block that came in the car from the factory, with the matching serial number stamped on the front of the ...The 3 digit numbers on the ends of the block appear to me to indicate that the mold for that part of the block was used on blocks with those casting numbers. That is, the same mold was used to make the ends of the 3970010, 3970020, and 3951509 blocks.3970010 block 3998991 heads. Need some insight from you SBC motor guys. I have this SBC sitting in the shop decided to rebuild it. I tore it down today. 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.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. Reply Like. 01-02-2022, 08:15 PM. # 3. lars. Tech Contributor.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 Block3970010 block (had canister type filter) suffix code reads as CNV 3875954 Intake manifold 4bbl Rochester Q ... In my book "Catalog of Chevy V8 engine casting numbers 1955 to 1993" the head part # 3795896 was used on 327 62-64 Corvette 250 HP, 62-65 passenger car,62-67 truck, 283 63-67 truck,63-67 passenger car.This book was compiled by Cars and ...317 posts · Joined 2005. #1 · Dec 1, 2005. I have a guy that says he has a 69 DZ 302 but the only number he can find on the block is 3970010, is this a 302 casting number?? If so what else can I look for to ensure this is a 302, the guy only wants $500 so if this is a real one I am jumping all over it. Please Help!!!!!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.Manufacturer Part Number. 3998993. eBay Product ID (ePID) 1323232817. Product Key Features. Material. Cast Iron. Vintage Part. Yes. Type. Cylinder Head. OE/OEM Part Number. 3998993. Dimensions. Item Weight. ... item 7 Small Block Chevy Cylinder Head Aluminum Bare Straight Plugs SB SBC 327 350 383 Small Block Chevy Cylinder Head Aluminum Bare ...Same 441 casting number. Servedio Cylinder Head Development. 631-816-4911. 9:00am - 9:00pm EST. mag2555. Guru. Posts: 4625. Joined: Sun Sep 18, 2011 3:31 pm. Location: Heading for a bang up with Andromeda as we all are.Check Details. GM 3970010 - 4 Bolt Main Block Original Chevy 350 Motor Engine for Sale. Check Details. 434 chevy engine. Check Details. Chevy Small Block Engine Chevrolet Casting Number 3970010 Plus Gearbox. Check Details. $199 GM 3970010 Chevy Engine block TYZ corvette, camero or conv. cab. ← 396 Jeep Wrangler 3d Print Wide Body Kit →.11-26-03 06:19 PM - Post# 344172. A friend of mine has this bare block that came out a truck some time back and knows that it was not the original motor and wants to know what it is. The casting number is 3956618. First we looked up the numbers by the deck where the heads sit and according to a book that he has it says that it was a 327 and it ...Chevy Small Block Engine Chevrolet Casting Number 3970010 Plus Gearbox. Check Details. 350 sb chevy complete engine. Chevy small block engine chevrolet casting number 3970010 plus gearboxI have a smb chevy engine supposed to 327 how do i tell for sure it has Casting chevy number gearbox 700r4 chevrolet block engine plus smallOfferup simplest ...The '41' on your block is called "pattern serial number 41". The foundry poured 2 castings per cask (in this case, it would have been series 21, patterns 41-42). Reason is that GM engineering was constantly making refinements to every block. If successful, the blocks were approved for the line. If not, they were destroyed.Find many great new & used options and get the best deals for SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS at the best online prices at eBay! Free shipping for many products! ... Manufacturer Part Number. 3970010. Fuel Type. Gasoline. Item description from the seller. Seller assumes all responsibility for this listing.3892657 is the casting number for a 67 MO block and was 2 bolt block. 3914678 is the casting number for a 68 MO block and is a 2 bolt block. 3932386, 3956618, 3970010 were used for the 69 DZ block and were all 4 bolt blocks. All the above block casting numbers were ALSO used for 327 motors. Check the numbers and good …3970010 is a 4.0" bore block, used to make 350's mostly (1968-1979), two years (1968-69) of large journal 327's and one year(1969) of 302's. The "high nickel block" thing is an car magazine/internet myth that just won't die, one of our members here and on other forums who worked for the GM casting plant in Flint, Michigan back in those days explained it all, the "010" and "020" cast numbers ...Gm casting number 3970010, 350 4 bolt mail block. Need carHigh Nickel GM #3970010 Engine Block "010 020" Mar 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. Sep 16, 2023 · The block and just about Good morning, Quartz readers! Good morning, Quartz readers! Japan’s lower house votes on a new immigration bill. Opposition parties are protesting the expected passage of prime min... I have a 3970010 block in my 69 camaro that is stamped "C

B. BogiesAnnex1. 17591 posts · Joined 2007. #7 · Jan 25, 2013. Your title lists the casting number as 3970010, if this is indeed an 010 casting it is the highly desireable heavy duty 4 inch bore block that was used for some 302's and 327's and a ton of 350's. It was used as a basis for high performance passenger car engines as well as heavy ...What is your small block Chevy the numbers say 3970010? It is a 350, from the 70's, or early 80's, and probably a 4 bolt main. Heavy duty. From a truck, or station wagon, or high performance. On a pad, just in front of the drivers side cylinder head, there will be a number, beginning with a couple of letters. TO, is truck only. Probably what ...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.It is a 3970010 block that is stamped V1219HA (for a 1969 Camaro/Chevelle/Nova 4 speed application) which is I believe is one of the Dec (M) blocks talked about in Colvin Chevrolet by the numbers on page 74 . ... 1969 RS LM1 2nd owner numbers matching 1966 Chevy II SB 400 alum trick flow heads, Turbo 400, Dana 44 rear 1970 Camaro coupe, 350 L65 ...

Re: Chevy 350 block info? Your block code TAX with casting number 3970010 is a standard 1970 truck block C10-3500 series, 255HP, 4 barrel carb. That block was introduced in May of 1969 and was used through model year 1975. It's your good ole early 1970's 4 bolt main truck block. Yes, the "Nickel" myth is just that, a myth!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 NO top edge on the cylinders and the bearings look great. The pistons look like new except for the carbon on top and are stamped .040.010 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 ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. I have a 69 GM block whose casting number is 39. Possible cause: Stock Chevy 350 horsepower casting number 3970010? That is the number of the block. It was.