ls3 376/480 crate motor?
anybody got experience with this??? btw know the exact specs on that patrick g cam, I know the durations and lsa's are basically the same, what about the lift? the gm cam only has .525 on in and ex.
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Teching In
Joined: May 2008
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From: arlington, wa
patrick g specs were around a .585 lift. its all good those l92 heads dont like alot of overlap. it was a good idea putting that hotcam in there, perfect for my tbss, 50 hp/ 50 tq.
I'm not a big cam analysis guy, and was wondering what people think of the numbers GMPP is putting out for the 376/480.
The LS3 cam specs are intake - 0.551" @ 204, exhaust - 0.525 @ 211.
The Hot Cam specs are intake - 0.525 @ 219, exhaust - 0.525 @ 228.
That doesn't seem like enough of a difference in cams to account for 50 hp. Is (guesstimating the reduction for the higher lift in the LS3 cam) 12 degrees of duration on the intake side and 17 on the exhaust really worth 50 hp?
The LS3 cam specs are intake - 0.551" @ 204, exhaust - 0.525 @ 211.
The Hot Cam specs are intake - 0.525 @ 219, exhaust - 0.525 @ 228.
That doesn't seem like enough of a difference in cams to account for 50 hp. Is (guesstimating the reduction for the higher lift in the LS3 cam) 12 degrees of duration on the intake side and 17 on the exhaust really worth 50 hp?
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