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cjh |
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Does anybody know where i could get a billet camshaft to suit a 4.0l with around the 30-70 to 35-75 duration with 0.480" to 0.500" lift?
Yes i know i need a moded ecu or piggy back ecu, i already have one, and i already have the valve springs to suit that cam specs. the car is a manual ea sedan with 3.27lsd, hiflow exhaust & intake.
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Southy |
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bit bigger lift.... but you get the Idea...
Crow EA-ED BILLET RACE CAM Part No: 2222546 Valve Timing:IN.35/75 EX.75/35 Duration:290 290 .075" Duration: 230 230 Valve Lift: .525" .525" Pwer Range: 3000-6000 Race cam. Custom Computer required. Here is the link to All Crow Camshaft details to suit EA-AU http://www.crowcams.com.au/templates/Ca ... -OHC.shtml |
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cjh |
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The problem with that sort of lift (0.525") is that i'm using flat top pistons made by Mahle, as it is I have to machine valve reliefs in the top of them now. I'm runnuing around 10-10.5:1 comp ratio.
Anymore cams to pick from?
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Southy |
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why not get a set of forged Dished pistons
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stockstandard |
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{USERNAME} wrote: The problem with that sort of lift (0.525") is that i'm using flat top pistons made by Mahle, as it is I have to machine valve reliefs in the top of them now. I'm runnuing around 10-10.5:1 comp ratio.
Anymore cams to pick from? Max lift doesnt have anything to do with P/V clearance. A cam with 480thou lift might smash where a 520 thou lift cam might be fine. How much clearance at TDC do you have?
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cjh |
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Because dished pistons would be defeating the purpose of raising the comp ratio, and the original slightly dished pistons still have valve reliefs.
the cam specs i mentioned will produce more torque earlier with the comp ratio.
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