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Thread: 08 c6 A6 downshift issues after cam

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    Potential Tuner
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    08 c6 A6 downshift issues after cam

    08 c6 with A&A blower kit 3.8 pully 60lb injectors, tsp supercharger cam 223/231 .629 lift 115lsa, 660 dual valve springs, was fine with just a blower and no cam then I broke a ring land so I replaced short block from Texas Speed with full forged build same displacement, anyhow after I got my car back from tuner all seemed well intill I found issues driving on hwy converter was locking & unlocking saying missfires detected, ended up maxing out missfire tables, all seemed good then noticed when I kickdown from 6 to 4th gear it seemed to bounce off rev limiter then find 4th gear after a brutal slam, like it was hunting for a gear, so i started playing with the airflow correlation tables in engine diagnostics and seemed to help alot but not perfect can anyone take a look at the tune.
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    Last edited by Fullsendc6; 03-26-2023 at 01:16 AM.