Originally Posted By Triple Threat
We did some mock up this past weekend.

Piston to Valve
.075 intake
.115 exhaust

My Apaches are 71.5 CC

Compression appears to be 13.5:1 based on our calculations, should work fine on E85.


you need bigger cam and you can send me your little one that is bigger than mine

Gen 3 power 6.22@110, 9.85@135
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