Thread: LS1 Horsepower Factors
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Old 01-11-2023, 10:05 AM   #15
GUMP
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Default Re: LS1 Horsepower Factors
When was the last time that the 455 got HP?

Has anyone gone a second under in the last ten years with one?
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Daren Poole-Adams
NHRA Stock/SS 2007
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