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Cobra Forums
The Terminator
Engine/Tuning
Self Tuning With SCT Pro Racer
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<blockquote data-quote="JAJ" data-source="post: 16442056" data-attributes="member: 131874"><p>Ok I understand it now, but I really don't think that's a tip-in problem. I think it's light throttle acceleration. Tip in is pretty much over once the clutch is engaged - after that you're running on the closed loop map. I had a problem like this on my 2011 GT with a TVS on it and it was really difficult to find and fix. In my case, the throttle plate would swing through a few degrees, which was the actual cause of the surging. For some reason, that might come back to me if I think about it for a while, the ECU couldn't figure out where to put the throttle plate. It might be worth logging the throttle angle as you go through this zone.</p></blockquote><p></p>
[QUOTE="JAJ, post: 16442056, member: 131874"] Ok I understand it now, but I really don't think that's a tip-in problem. I think it's light throttle acceleration. Tip in is pretty much over once the clutch is engaged - after that you're running on the closed loop map. I had a problem like this on my 2011 GT with a TVS on it and it was really difficult to find and fix. In my case, the throttle plate would swing through a few degrees, which was the actual cause of the surging. For some reason, that might come back to me if I think about it for a while, the ECU couldn't figure out where to put the throttle plate. It might be worth logging the throttle angle as you go through this zone. [/QUOTE]
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