Pinging 22re???

[mdizzle]

As I understand it pinging is pre-ignition, and running higher octane gas will get rid of most pinging. I run 91 and it still pings under hard acceleration only at high rpm's, not low. Its fine at high rpm's as long as im not too hard on the gas. Any sugestions of what to look into? has new plugs and wires, timed it and retarded it a bit, I think I have the wrong distributer on it, would that make a difference? thanks for any help

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