Changing throttle body dia... remap?
silly Q really...
when moving from a nrmal sized throttle to a larger one (eg changig from RSt one to cossie one) does the car require a remap etc.
i THINK the answer is no as surely it wouldnt flow and more air at the same boost, but thought i'd ask just incase as i beleive i may actually have a larger dia TB than a std item on my XR4 and would like to keep this