good point. im guessing i'll know if the wi doesnt help the knock at all. then i'll consider going to a direct port setup. intake temp isnt really a problem anyway.
did some more tuning tonight. turned the boost right back to 8psi leaned the afr to around 12.5:1. then starting from about 10 degrees (+base) timming, slowly advanced it to a max of 20 degree where light det started. kind of hard to know when it stops making more power on the road (nearset dyno is 3 hours away..) but to me it felt as tho it was still gaining power, right the way till detonation. backed it off to 18degrees. did the same thing again but on 13psi. got to 14degrees and started to detonate. backed timming to 13 degrees. car does go a whole lot better now tho. seems to go just as well if not better than it did on 15 -16psi
no water injection was used, seemed to loose power when tuned on at those boost levels. will try going back to the smaller jet and see what happens from there..
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23-03-2006, 12:02 PM
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