I have and 04 lightning with 130K sometimes my truck is still a beast and flys and other times I hit the gas and nothing like it just dies on me and the constant hesitation like its about to break! Other times when going like 60 and barely accelerating it starts to do the same its so off and on! Not to mention if i beat on it you can smell it?? some one please tell me what it could be? tranny or torque converter idk that much obviouly, thanks!