i've got a 3037 on my 25 and it doesn't come on full boost til 4000rpm,i have a internally gated .83 rear housing. i want more response do i get a smaller .74 housing or just get an external gate?
engine mods:
gt3037
greddy plenum with q45 TB
walbro pump
link G4 ecu
is this normal? what are peoples thought's?