Rb25de+t Over Fuelling Problem

[magwroto]

Hi I have just converted my rb25de to a +t and have a little problem.

When i took it for a drive to see if it all went as soon as I hit 5psi the car shudders big time and wont go over it. it is also on boost all the time when i was cruising under the 5 psi mark. I think it is an over fuelling problem becuase it pumps the black smoke out and I did a little skid which went to 7-8psi and it shot flames out the back.

I have a fmic

3in exhaust

extractors

gtr injectors with a 6.8ohm resister pack

CHIPPED ECU

wasted spark

new spark plugs

any ideas. I have cleaned the afm which was a problem with the engine chasing at idel before

[Amec]

do a test and see how many k's you are getting to a full tank. under 400 and it is definately over fuelling.

[Craved]

r32 or r33?

im confused @ extractors ... are you using the std rb25det exhaust manifold ?

is the chipped ECU tuned for the GTR injectors? they are 440cc from memory so will be giving alot more fuel than std ones.