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04-28-2002, 02:03 AM

hey, if i am running only 5.5 psi on my greddy
do i need to retard my timing??

thank

04-28-2002, 02:03 AM	#6
xbird Posts: n/a	hey, if i am running only 5.5 psi on my greddy do i need to retard my timing?? thank