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SUMMITWHITE1SS · 09-13-2017, 04:44 PM

Car down on power with katech ported throttle body, ported intake manifold and a GM CAI???? Had the car tuned for e85. Base pull with said mods created a super rich issue that resulted in a 10-15whp loss from what a bone stock lt1 puts down on average. (A8). After it was said and done the car put down similar if not identical numbers to what a bone stock lt1 would put down with just an e85 tune. Also the Tuner ran into an issue with the GM CAI. He made it work but suggest the stock intake box would be a better setup. My question is why is the current setup hurting the power/gains on the Car? I wish I had a better understanding of how or what could be affecting the car cars performance.

09-13-2017, 04:44 PM	#1
SUMMITWHITE1SS Drives: 2017 A8 1SS Join Date: Jul 2017 Location: So cal Posts: 43	Loss of power with bolt ons Car down on power with katech ported throttle body, ported intake manifold and a GM CAI???? Had the car tuned for e85. Base pull with said mods created a super rich issue that resulted in a 10-15whp loss from what a bone stock lt1 puts down on average. (A8). After it was said and done the car put down similar if not identical numbers to what a bone stock lt1 would put down with just an e85 tune. Also the Tuner ran into an issue with the GM CAI. He made it work but suggest the stock intake box would be a better setup. My question is why is the current setup hurting the power/gains on the Car? I wish I had a better understanding of how or what could be affecting the car cars performance.