Quote Originally Posted by FoSHO99 View Post
When you install the pacesetters your car will run leaner. Your going to have kr, especially if your on 91 octane, but a little bit of tuning should fix that. The more mods you put on, the more it alters your cars ability to adjust for these modifications and ultimately can really mess it up, as long as your monitoring the kr as well as the a/f ratios you are aware of just how far you can push your car. I got 9*kr after installing headers on a 3.4 and 91 octane.
well i run 93 octane....and was that kr with just those two mods? no pcm or colder plugs?