Rb20 Help

[booster28]

hey guys

my rb20 will only rev up to like 5000rpm then it starts popping and it like goes no where it on 10psi ii turned it down and still does it?????

i have fmic dump cat exhaust ... and i got a walbro 500 hp fuel pump not in yet

it had new oil and spark plugs so if u might know the problem plz tell me

[booster28]

so does any one know

[bubba]

I guess either boost leak or coilpacks.

[TTT]

what was the gap on the "new" spark plugs?

do you still have the standard 20 year old Coil packs?