I have a 1991 jeep wrangler with the 2.5 I4. I was wondering if it was normal for this vehicle with this engine to be really hard to get up to speed. 1st 2nd and 3rd gear seem to be ok but once i get to 4th it has nothing.i can get up to 110 km/h with the wind with my foot right to the floor in 5th but against the winds its hard to even make 100. if almost feels as though im driving with the emergency brake on. Im not. all the brakes are good before you start thinking that.just seems so weak