Quote Originally Posted by Bio248 View Post
the stock cam only makes power up until there..probably not even. if you shift anything above 6k then youll need valve springs. it depends on your cam where your shift points should be.
Yup...you think you're going faster cuz the blower whines more and your RPM's go up...but your actually going slower IMO. I shifted at 6500 with my XP...and only time it was REALLY faster was on the streets when I would run someone to where they would have to shift.