Hi, big_g,
Yes, I'll believe your low SCR (8.3), lots of cam overlap, an intercooler and 93-octane can run 16 PSI and 30 degrees of timing. However, that is not the combination on which we were asked for recommendations. John was asking for a much milder combination to street-drive a heavy car and probably max 91-octane. Giving
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Had it pullied up for 16 lbs. of boost @ 6,500. Never a problem. No timing retard. No detonation.
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without all the above detail can get a first-timer into lethal detonation trouble.
thnx, jack vines