9 96bluext New member Joined Sep 22, 2004 Messages 10 Age 47 Sep 29, 2004 #1 anyone have an idea on what spring will engage my primary at around 4500-5000rpm??? the silver/red combo with the heavy cams rips at 3200...too weak!
anyone have an idea on what spring will engage my primary at around 4500-5000rpm??? the silver/red combo with the heavy cams rips at 3200...too weak!
