NEW GUY - need help figuring a few things out - Help! Tell me all you know (L32) QUIZ

[Bio248]

get whatever you want. they are all the same. for the 06/07 to get a PCM to work you just have to switch to an 04/05 PCM which is really a big deal. if the worst of the effects is the gas gauge reading backwards i still think it would be worth it since the tune is the most important part of making the car run well.

[RAZOR Z]

So to tuned a stock car makes a huge diff?