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Need help identifying noise. Rod knock ?

I had the the same problem. Turned out to be piston slap. I rebuilt my motor and the machine shop messed up a bore. I had to have the cylinder bored and sleeved. Took care of the noise. From what ive heard and read piston slap is not un heard of. Chevy gets lazy from time to time and the...
- Charles Myers
- Post #21
- Aug 7, 2023
- Forum: Engine Performance + Maintenance
454. Vortec max miles you would go?

Mine had 302,000 on before I rebuilt it. Still ran pretty good.
- Charles Myers
- Post #20
- Jan 28, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
Hello!

Let me tell you about my ride. 1998 c3500 crew cab dually. Took the 7.4L and punch it out to 8.1L with a stroker kit. ZZ502 cam and Holley injectors. Replaced the heads with some early model 454 heads that have been ported and polished. Roller rockers now. Of course had to get it tuned to get...
- Charles Myers
- Thread
- Jan 28, 2020
- Replies: 4
- Forum: Introduction