i am going to get an upgrade for the formula(my son drives,he thinks its his but not until im gone)for his christmas pres so which one....converter,bigger carb or larger headers?
462 auto-1800 converter but locks at 1500 or lower
670 street avenger
performer intake
6x-4 large ex valve
comp xtreme energy 268 cam
3.42 rear
1 5/8 dynomax header
it runs 8.5's @ 80+ in 1/8 mile w/1.90 60'
in 1/4 it has run a 13.99 @ 100mph but says it completly lays down on top of trac
so if you were going to make one upgrade what would it be?