Okay, well here is the problem i have. when my truck is in drive and you accelerate it makes a sound as if a belt is free spinning but not real loud but you can feel it more than anything with your foot on the pedal or on the brake can anyone help??
by the way its a 2001 GMC Sierra with edge juice w/ *** and muffler cut off with extension pipe, my worry is the power create a problem?

Well and now its not doing it, any idea what it was lol