Advancing Cam for decreased SCR?
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From: Screwston, TX
Advancing Cam for decreased SCR? On a 347 LS1 with a 1.32a/r T6 flange 80mm turbo (running 15-17psi pump gas no meth). I'm dropping from 10.3 to around 8.8:1 SCR with my new setup and currently run a 233/239 on 112+0 HR with around .600 lift on both sides. Would it be to my advantage to advance the cam around 4 degrees to makeup for the loss in SCR/DCR and gain a little drivability? I drive the car quite a bit and don't want a dog down low, but on pump 92 and no meth w/ 15 psi or so I don't want to be fighting detonation.
Currently the car has a Th400 w/ 3000 stall, 3.42's and a 28" MT ET street radial. What do you guys think? I know the cam is probably not optimal but will have to do until I go big. Advance it or makeup for it with more timing?
Marty
Currently the car has a Th400 w/ 3000 stall, 3.42's and a 28" MT ET street radial. What do you guys think? I know the cam is probably not optimal but will have to do until I go big. Advance it or makeup for it with more timing?
Marty
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TECH Enthusiast
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Joined: Jan 2007
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From: Screwston, TX
I asked around on several boards and the general consensus was to put it on a 108 ICL. I was wanting to go that way anyway and am going to try it. If it doesn't work I'll just take it back to a 110 or 112 ICL. I think it would have to be an asston of timing to makeup for the drivability of having it still on a 112.
Thanks though PSJ
Thanks though PSJ
