I have a 2015 ss with headers and a tune and just installed a cd3800 3 disc converter and got it tuned. .I have hp tuners pro but dont know enough and dont want to hurt it. Will this converter "tighten up" when i install my 3.91 gears? the car is not fun at all to drive. Thanks
cd 3800 drivability
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NEW!!!
I will make one calibration change for an additional $100 per change. For example, changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. That value can be used towards the full custom tuning price.
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