hi , i have a 1995 ford mustang, 3.8l,standard.i was racing a truck with a full car and tank, 1 went to 4rpms, then 2 to 4 rpms, and did that to forth. i won but now, my mustang is sluggish.i put it in first and i have to give it so much gas to go anywere, it take 15 to 30 seconds to get to...