Thread: 468 build questions

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well if your worry about it stay under 10.5 has abit to do with how big the cam is for your dynamic CR and if your quench is were it should be . but i not going to tell you what the most you can run on suspect fuel . i know i have some out there running very close to 11to1 with the one 4/7 cam . i tell every one to run 94 .i never hear any one say and thing. about ping. but if i know there not going to run good fuel or not willing to mix fuel or booster then there not getting much CR from a engine i build for them .BUT the bottom line is if they melt there pistons out and were not spending the money for fuel or not tune it in. it is not my problem