okay its been doing this for awhile and ill explain. ill be cruising on the highway or interstate either manual or in criuse and ill start to go up a hill and i wont excell much and ill get to about 2k the engine starts to feel some grunt and falls down to about 1600 and it kinda jerks like the trans slips or power is lost. now i have a brand new trans and i took it in a week after to get it checked on and its fine. i do have a very loose alternater with stripped out bolts and i snapped lower bolt. i need help bad, it irritating and i know its not good.