Help with LS3 Connect and Cruise Package
Need some help guys. Just got done putting the GM LS3 Connect and Cruise package in my 1969 Camaro. It is the 430 hp LS3 with the 4L65E trans. Having an issue with the trans. When you really get on it, the shift from 1st to 2nd has a slip to it. Very noticeable as the RPMs jump up and you can feel it slip before it finally engages 2nd. Then, after the car is warmed up, the downshift between 2nd and 1st can really be felt. drop in RPM when the downshift occurs and then a surge. Has anyone had success in accessing the ECM and trans controller on the connect and cruise package? Any suggestions on a shop in Phoenix AZ area that might be good with this package? This is the only issue that I am having with this package. It runs great and sounds awesome through the Magnaflow exhaust. Just need to get this trans issue fixed.
Thanks.
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