Thread: Actual HP for an L-78
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Old 08-18-2010, 09:07 PM
66 L78 ragtop 66 L78 ragtop is offline
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Default Re: Actual HP for an L-78
I have GM paperwork dated Aug 65 showing that the L78 produced 425 @ 6200 RPM. The down rated horsepower occurred in 66: 375 @ 5600 RPM
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