Web sbcblock # 3970010 this is probably the most common 4 bore sbc block cast. It's a 4 bore block. 4bolt 350ci what is gm casting number 3970010? Ad over 80% new & buy it now; Has been used for 302, 327, and 350. Discussion starter · #1 · aug 23, 2008. Web the engine has a 3970010 casting number and an engine date code of f 5 8. Web chevy 350ci v8 sbc engine block 3970010 010 020 std. We have almost everything on ebay. This is the new ebay.
Thanks to some great help, i found my engine casting number. It has been used in many different applications. 4bolt 350ci what is gm casting number 3970010? Web just above where the water pump bolts. Has been used for 302, 327, and 350. It's a 4 bore block. Web ok you have a 3970010 block, now look at the date code on the back of the block. The intake date code appears to be 1974, but i can't find that casting. Web what size motor is gm 3970010? Only way i know to be sure of 2 or 4. If the date code is anything higher than 71 it is a 350.
