Thread: xp cam with 130 lb springs rev limit

Originally Posted by GTPpower

You should be fine at that rpm. I used to shift about 6500-6600 with an xp and 130's.

thanks for the input. I'm going to see how much timing I can add, and then consider a pulley drop and/or a wet nitrous kit. I've been fighting this kr forever, and hopefully I have it figured out now.