Reply to "Seeking comments about a proposed engine spec."

95 octane by RON, MON or AKI ?

your system is different than our Ron + Mon / 2 (average), IIRC the 95 number would be the higher of the 2 Ron / Mon and the other number would average it down to be close to our 91 Premium? and your 98 would be our 93 Super Premium?

i think George knows the international gasoline conversion a little better than i'm familiar with it. what i want to know is how some of our mates get away with insane static CR's and relatively mild cams? combos that should shake themselves apart in short time ...

the 71* intake close number at .006" will actually be a degree or two later for the valve to make the seat, not sure how much it matters but the difference only adds to the safety margin.

but Yes this is a low stress board that will only deliver straight info, it's nice

5/26/199:43 AM

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