Quote:
Originally Posted by trmnatr
Ones that shown wear for us were AP rings which is steel with a C33 coating
I just prefer 1/16" for bracket and .031" Pressure Back for high rpm low drag. I want to try an .031" with a .043" Napier as I use 1/16" x .145" Napier usually
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After further inspection of the pistons in the green Camaro.....
ALL the gas ports were plugged with carbon.
The engine is running with low tension oil rings/no evac system and I feel it oiled up top and added to the carbon buildup.
As I said earlier I would not choose this combination myself for a bracket engine that went this long between being rebuilt or this many runs. I would use the std 1/16" top rings. I did use the Hellfires in one engine and they wore the tops of the cylinders. A 555 with Big Dukes....
I ran .031" Dykes a lot in flat piston small block engines. Typical SS type 350's. That was pretty std. 20 years ago.....I ran those rings very high on the pistons. I think they were .050" down on at least one engine. Never had any problem but I was never able to run with the fast guys back then with my budget.....