xm20k
Junior Member
- Joined
- May 26, 2025
- Posts
- 16
- Reaction score
- 15
- Location
- Girard, Ohio
- First Name
- David
- Truck Year
- 78
- Truck Model
- c10
- Engine Size
- 388
76cc chamber with small valves. There's one thing you could improve on without a full rebuild, small chamber heads with the bigger valves however at that point id do a cam and lifter set as well while I was in there.
Also yes if the blocks ever been decked it'll wipe those numbers behind the alternator out they are stamped with a punch, they may still be there if your lucky.
Also yes if the blocks ever been decked it'll wipe those numbers behind the alternator out they are stamped with a punch, they may still be there if your lucky.