you lose power at about 5000 the 4.0 has a rev limit at 5200 I bet you are at you rev limit. no need to run past that you lose you power above that point anyway. and the copper/bass tapped hole is a insert into the plastic so the threads are in metal not plastic
Originally Posted by redrumedge
98blown you should be an MD! that's the same stuff my doc asks and ur spot on man!!!
98 4.0 2wd-----supercharger fully build heads cam...all show with go......3 time world of wheels champ 5 time national winner
lots of ranger parts for sale leftovers from my 94/96
96 sitting on the frame, waiting to go lower
custom billet parts by me intake adapters and billet steps for the step sides
please sign my guestbook!!