It could be a piston slap or wrist pin noise. They usually go away as the engine warms up due to expansion. Rod noise will increase as it warms up cause the oil thins out. Tappet noise is more on the upper end. Have you checked the tappet adjustments?


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum