Has any one tryed a raptor advancement key in a 2004 grizzly i have a extra one from sparks raceing was going to try it if it will work. we had good power increases from it in the raptors....??????
haven't ever thought about advance the timing on the Grizz. I know that I have advanced the timing on my Banshee 4 degrees, and it made quite a bit of difference..
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