Originally Posted by Stoogey

hey i have a 1.8Si escort (mk6) i recently put the cams, throttle body and MAF sensor from a 2.0L on it - sometimes i get quite a good bit of pull from it but other times, when putting your foot down in any gear it will keep going up in revs but lose all the torque (its not the clutch by the way) any help would much appreciated

Thanks