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Jaw_F430 · Apr 22nd, 2008, 06:57 PM

Quote: Originally Posted by sam_a156 (original)

Keen to hear comments on this too. I also saw a tangible drop in boost.

My -17% Alta v2.0 is already on its way. Going to swap my current JCW & +3% crank setup to oem crank and -17%.

Personally I would think that going for bigger reduction might not allow to raise the rev limiter so much as -15% due to overspinning the s/c. Suppose 7400/7500 should still be ok though(?)

Sam

Thats what I was thinking Sam as my map may end up at 8k redline. Boost shown on gauge after fitting few parts is 14-15psi

Apr 22nd, 2008, 06:57 PM	#3
Jaw_F430 MINI2 Senior Join Date: Jul 2007 Location: 7600rpm Local Time: 02:36 AM Posts: 730 Offline	Quote: Originally Posted by sam_a156 (original) Keen to hear comments on this too. I also saw a tangible drop in boost. My -17% Alta v2.0 is already on its way. Going to swap my current JCW & +3% crank setup to oem crank and -17%. Personally I would think that going for bigger reduction might not allow to raise the rev limiter so much as -15% due to overspinning the s/c. Suppose 7400/7500 should still be ok though(?) Sam Thats what I was thinking Sam as my map may end up at 8k redline. Boost shown on gauge after fitting few parts is 14-15psi