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Kyle, last time I looked, Shayne was doing adjustments the way I do them. By all means take it to him.
Increasing duration has zero affect on compression, and a *very* small affect on pinging at lower RPM. It has a measurable affect on compression gauge readings, which are in no way a quantitative measure of the actual compression. That's built into the motor and doesn't change regardless of what cam is installed or how it's set.
(Not beating you up in any way, just clarifying for other readers...)
8^)
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