fiend
Caught the Bug
Hot Rods & Old Classics - Lets See Em...
The lead would be for the valves, assuming the heads haven’t been redone with hardened seats.
The high octane would be for a high compression build. I doubt someone would build a street 383 that requires such high octane. But who knows.
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			That’s what I was thinking. That engine was made long before hardened valve seats and steeper contact angles. Who knows, maybe the heads were replaced or updated along the way?
The lead would be for the valves, assuming the heads haven’t been redone with hardened seats.
The high octane would be for a high compression build. I doubt someone would build a street 383 that requires such high octane. But who knows.
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