LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Help determine lift #s

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Old Jul 9, 2004 | 06:05 AM
  #1  
Zrag's Avatar
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Help determine lift #s

I just got a cam and the lift #s are 488 & 509 with 1.5s. What would it be with 1.6 rockers. Thanks...
Old Jul 9, 2004 | 06:21 AM
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New lift = Old lift * ( New ratio / Old Ratio )

.488 * (1.6 / 1.5) = .521

.509 * (1.6 / 1.5) = .543
Old Jul 9, 2004 | 08:15 AM
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WOW Great, I had no idea the 509 would jump to 543 lift. I just got the GM perf cam on a 112 LSA. It is a little bit more than the hot cam. Thanks.
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