P/W clearance SRP pistons

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P/W clearance SRP pistons

Post  Rmk Boss9 on January 24th 2014, 1:09 pm

502 Scat stroker kit, will see maybe 6200-6300 rpm.
The paper work says .003-.0035. I will not be using any power adders
and its going in a 3700lbs. car and will street driven 95% of the time.
I may do a couple races a year. Apparently the 4032 pistons can run tighter
clearances than the other forged JE pistons.

Randy

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Re: P/W clearance SRP pistons

Post  rmcomprandy on January 24th 2014, 5:24 pm

Rmk Boss9 wrote:502 Scat stroker kit, will see maybe 6200-6300 rpm.
The paper work says .003-.0035. I will not be using any power adders
and its going in a 3700lbs. car and will street driven 95% of the time.
I may do a couple races a year. Apparently the 4032 pistons can run tighter
clearances than the other forged JE pistons.

Randy

.0035" should be fine with 4032 alloy.
... and the hotter the water normally runs, the less the clearance can be. Cold water like in a marine situation needs more clearance.

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