Originally Posted by Wandell
Every vehicle is a little different. What do our V6's respond best to? Is our intake or exhaust system really restrictive? I'm not impressed with the things I've read on computer tuners for our vehicles.
Bang for the buck is with a regearing.
The air flow stuff could maybe get you 20 ponies or so if you did it front to back, but it's going to be expensive compared to a regear.
The chips that adjust shift points can really help those with auto transmissions.