chevy 400 block id

[caleb in pa]

i need help fimding out what year my 400 is. her are the numbers i found.

-GM 3851511- it is 4 bolt which means 1970-72-73

- C 6/72
- T1- or -TI-
- 00NV1- or -00NVI-
thanks- caleb

 

[Leland]

go to
www.chevytruckworld.com
they have your answer there

 

[Anonymous-0]

Again, mortec.com I would recomend having the block checked for cracks as those early 400 4bolt blocks were prone to cracking in the main webs. Good luck with whatever you're doing with it.