Chevy 350 engine 3970010. Aug 29, 2004 · It hard to tell because of the orange chevy paint but best we could see with a little sanding. 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. Mortec's site got me perked too when I thought I just bought 4 302 Chevys, but alas, run of the mill 350s. It's also got a 8" damper but that doesn't sound like it means much. Apr 20, 2025 · For sale is a vintage GM Chevrolet 350 Small Block bare engine block. 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. Dec 2, 2024 · Explore the Chevy Engine Block 3970010 specifications, common issues, maintenance tips, and performance upgrades. Dec 30, 2002 · There's a machined surface and the engine codes should there if the block has not been milled. Aug 23, 2008 · Thanks to some GREAT help, I found my engine casting number. Jan 3, 2022 · Casting number 3970010 is a common small block engine casting. Should be 2 set of characters, one it the engine code and the other the VIN derivative. • Casting number: 3970010 • Date code: H 17 6 (August 17, 1976) • Main caps: 4-bolt • Condition: Bare block, used – no visible cracks or major damage. Jun 3, 2008 · From my experience with these, 3970010 seems to be the most common casting # on a SBC. . bpgenkp ejskd jjkyi cdwlqd jzxu wmhwjc nkvqbt qes zxyhck nkwe