Thread: 5.3 Engine Swap help

Hey guys a little help is needed... Im swapping my 2007 5.3 gxp engine and transmission into my 2007 impala lt this weekend i wanted to know would i need the sterring wheel for the tapshift or would i be fine without it? Any electrical issues? The 5.3 engine and trans is a full dropout from a grand prix gxp along with the ecm tcm wiring harness etc thanks

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Originally Posted by 2003 SSEi

oh boy that is a pretty daring swap. Do you have the Service Manual access???? you are going to need it....

Personally i would grap the ECM an the TCM from the Impala SS. The GXP and the Impala are not plug and play

There arent? Being as the engines are the same the ecm and tcm wouldnt be the same for different models? Interesting

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