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2013 zl1 downshift issue

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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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CurtMarkzl1
2013 zl1 downshift issue

i have a 2013 zl1 full bolt on cam and pulleys.. before cam swap trans was tuned and ran good after cam swap if i  am going 55  really 5th or 6th gear and stomp on it  it will bang real hard on downshift.. but not like a slip. or harshness its a hard jerk..looking at logs almost like power was completly cut then brought back...ideas please.

 

 

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