hi all i have had this problem b4 and it not coil paks u mite need to gap ur sparkplugs i put new plugs in the stagea and it did the same thing then i gaped them down and smooth as i run v-power plug now and gaped them down on both the stagea and the 32 and its the best thing i have done everyone said my coil paks were rooted but dane from desynz motorsports gaped my down and on the 32 dosnt matter what boost i run it never does it . try take it will cost u nothing just taking ur plugs out