110 Octane at the pump

AJ/FormS said

^^ I've run 87E10 on 11.2Scr, with slightly delayed but full timing with al. heads. I imagine your Scr must be considerably more.

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I run @ 11.4 with ede alu heads , 94 octane , with 91 it will ping unless I play with the timing , can't imagine running 87 octane . Runs best on a mix of 1 gal118 octane / 3 94 octane .