Quote:
Originally Posted by yomny
I'd like to give him a chance as I never revised my tune after changing to my GTX28 from a smaller precision. Not really sure how much that could be at fault but im hoping its the case.
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Shouldn't expect a different turbo to work with an old tune... You should have put this info in the top post. Did the tune work fine with your old turbo?
I've compared an SBD "Greddy knock-off" tune with minimal knock living further north than me in QLD where things are really hot. I've got the Greddy T518Z turbo and in the 2800-3800 RPM range, I have to run 6-8 degrees less timing simply because I'm getting higher pressures or hotter air a lot sooner.