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  1. Need help with 3.6 swap into 3.9 car

    Introductions & Welcome Forum
    If anyone can help. Made a purchase of two cars and the one with a bad engine is a 06 impala lt with a 3.9. Bought another car and I thought it was a 3.9 but turns out it’s a 3.6. The other car is damaged but Ran fine just pulled the whole k frame out. Any help on what I would need to put the...
  2. Best Tune For The 3.6 LFX Engine In The Chevy Impala ???

    8th Gen Engine Performance
    Tunes i found that are available for my 2015 chevy impala limited LTZ. Trifecta Overkill IPF Tuning I have looked over all 3 tunes, based on their proven dyno charts/Power Claims. Does Anybody have any experience with either of these tunes specifically?? How did it compare to what was...