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temperature performance

  1. Seems car HP is more in warmer temp than the - temps??

    General Challenger Discussion
    I got my RT last May 2014 and had a hay day with it in the warm summer weather lots of HP to play with, me very happy. Then comes fall/winter and temperature gets cooler/cold into the minus's C, then it seems the RT has had its HP cut in half, seems sluggish, much safer if you know what I mean...