Reply to "casting numbers?"

detom (Guest)

I had heard that open chamber with thereverse dish pistons reponds great to turbo charging. You can run seven or eight pounds of boost without pinging. If you put close chambered heads on an engine with the dished pistons, you would have your 9.5 to one compresion ratio without doing nothin else and it would also bereal ping resistant cause the quench action would drive everything to the cneter under the plug, right where you want it. The only time you get into ping problems is with closed chamber, flat top pistons. But if you run racegas, no problem.

7/31/065:37 AM

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