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Old 08-08-2016, 08:46 PM   #7 (permalink)
GrooveStyle
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Join Date: Sep 2011
Location: Waterloo, Iowa
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Peak was about the same, but overall it's a much cleaner tune. Apparently there was a fair amount of knock that they could detect on the base tune that's all gone now. Also at peak we were losing fuel pressure which was messing with the AFR's, got that cleaned up as well. I think if I want to hit the 500 mark I need a return fuel system. They can do ECUtek, but since I already had a license for Uprev, I decided that it would be best to stick with that for now. It was a $450 difference to tune ECUtek vs Uprev, and I just can't justify that right now.
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