RB20det, idles perfect free revs fine, drives fine below 2000rpm ish, as soon as any positive boost pressure it wont rev, tuebo spools like crazy but engine cant process the air, pretty convinced it not enough fuel,
have checked fuel pressure, has 30psi on key on not running, with same 30psi on idle with reg vacuum line off, as to factory settings
Have checked pump, has 12v all the time, i thought it would have 6 and 12v but its got 12 after prime on ignition on.
doesnt appear to be any air leak, air flow sensor is connected, if it wasnt it wouldnt run anyway.
timing is perfect, 15 dbtdc
plugs are deffinitly reading lean! but not to bad
tps is adjusted and reading .59v and 4.35v on WOT, couldnt get it any better
im thinking its the fuel pump gonna chuck a walbro in it as was going to any way, and a permanent fuel pressure gave.
any one got any ideas for me, i have a spare ignition module and CAS so can change those as well.
its odd tho because fre reving at as low s 1500 rpm it starts to spool to boost, seems like there is excesive load on something,