hey guys i need some help i put an 90 ls into my ef hatch its 0bo and it wont let me go past 3500 rpms it acts like a rev limter i cant figure it out i tryed a difrent computer checked the timeing 3 times and replaced the spark plugs any advice i was told it could posbly be the distrbter but im hopping its not i seem to think its the vacum set up but im perty postive its right the motor runs greate till 3500 and it has a huge lack of power any ideas?

thx all

lil mike