Ok, This is my first xj I have two yj's so I like to think I know jeeps but, I have a 93 sport with a brand new 4.0 I just installed, the axle ratio is 3.55 (or so the previous owner said) and i am running 33bfgs. The issue is that I have very little power until over 2000rpms. any idea what might be causing this?

 

i have 33's on ny stock gears and it causes loss of power but not a whole lot, i still drive it fine and there is not much of a noticible drop, so its probobly somethin else besides that