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  1. Engine
    Me and my buddy both race. And we both have very similar builds. Stock bore and stroke. 13.5 to 1 piston. We both have port work in the heads. And we are both running a stage 3 hotcam. Now currently we run 93 with vp octanium. And we try to get the number around 101 octane. Give or take. We've...
  2. Engine
    I just did a 13.1:1 high comp piston, stage 2 hot cam, empire full exhaust and a uni filter. In my area I can get 92 octane or 110. Should I run 110 or a blend of both? I read somewhere that 100 octane is sufficient but I figured I’d ask for more input.
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