Thread: 389 over bore
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Old 11-08-2022, 12:29 PM
Goatracer1 Goatracer1 is offline
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Join Date: Oct 2003
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Default 389 over bore
I can remember back in the 1950's guys over boring some of the old V8's 1/8 inch over. What is the max that a 1964 or 1962 389 could be over bored if it was strictly a street engine?

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