99yamahasrx
Newbie
Hey guys....i have a alpine front mount apex that i have brought from the mountains to the east coast....i am running 14psi boost....i was wondering what you guys are all doing for clutching around sea level with similar boost numbers....mountain gearing and a 162 2.5 track....i have super tips in there so i can adjust to whatever i need.....ive heard a purple cat spring or epi spring but i wasnt sure....what spring and what helix and what wrap on the spring would a guy need to get it running like it should at 14psi....i know i have to run race gas and thats no a problem.....any help would greatly be appreciated....thanks