Quote Originally Posted by bluegtp91 View Post
You run a wire to the pin #23...or #26....can't remember...then run it to the Perf. Shift knob...that's it.

Stock heads...have to do what with a PCM and headers? Are you tearing the motor down to get the heads ported? If so...that would help kill knock and allow for more of a pulley drop...but won't let the motor run COOLER really.
no porting just headers and a 3.4 when i have all the supporting mods. but when i tryed the add perf shift i used a cheap toggle with a positive ground and negative and had no luck with it all hooked up thinking it was the switch