Quote Originally Posted by Preotic View Post
Those e-bay speed chips are just a little resistor that you wire into you IAT and it tricks IAT into thinking it's getting 32 degree air and supposedly commands more timing. Doesn't really work. If you don't want to tune you can buy a programmed pcm for about $100.
link please to the $100 pcm. and this $100 pcm would really make a difference? it would be better than a 30$ chip? what kind of difference would it make? and how would it effect my MPG (help, hurt, or no difference)?