Thread: Dynoed my 389, very pleased.
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Old 12-12-2019, 05:12 PM
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jwcfbd jwcfbd is offline
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Join Date: Mar 2003
Location: Texas
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Nice numbers. My 67 Firebird has a 65 389 as well. Here is my dyno run. As far as I know all original but it may have a different cam. Not sure.
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67 Firebird Convertible
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