i was wondering if someone could give me a suggestion on how i could get better mid range power. i have a 89 s-blazer it has a 92 4.3 tbi in it its does 0-40 in under 5 seconds but 0-60 over 9 how can i get 40-60 alot quicker than almost 5 seconds? i have a cai and wickedflow exhaust.