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wiseco and perf cam (Read 80 times)

BurnPgh Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1732	wiseco and perf cam 12/06/09 at 23:15:51 Anyone have both? Im concerned the domed piston and cam may damage valves.
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LANCER Serious Thumper Alliance Member Online Savage Beast Performance Parts Posts: 10585 Oklahoma Gender:	Re: wiseco and perf cam Reply #1 - 12/07/09 at 02:48:16 BurnPgh wrote on 12/06/09 at 23:15:51: Anyone have both? Im concerned the domed piston and cam may damage valves. Doesn't your piston have valve relief grooves on each side ? Currently, I have a flat piston in it, 0.040" removed from cylinder/head and the stage 2 high lift cam...no problems at all with clearance.
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Re: wiseco and perf cam
Reply #2 - 12/07/09 at 05:01:09

Fitting a hi compression piston always requires the play dough test. Put a wad of play dough on top of the piston, cycle the engine (or rotate the cam valves with the piston at top dead center if you want to not put the whole thing back together) and then cut across the impression left in the play dough by the valves to measure the clearance to the piston top.

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