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Hey guys.. Just finished +ting an rb20de. As a de the motor was a good, strong, powerful motor.

I used:

RB20DET Manifold, Wastegate flange welded on.

RB20DET turbo

RB20DET j pipe

FMIC setup

Walbro 500hp Fuel Pump

Fuel Pressure Regulator

RB20DET ECU and Injectors

Adjusted timing all over the show..

Now when it is warm, and I go for it in second it boost and pulls fine, (4 psi spring)

As soon as I dump the clutch and sit on the spot doing a skid it 'farts and pops' around 4.5k - 5k revs.

But then boosting in a straight line it builds boost and pulls fine.

Anyone have any clues? Kinda feel as if its getting to much fuel, anyone know what the fuel pressure should be at at idle?

Tried to do a search, nothing came up.

Cheers

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https://www.sau.com.au/forums/topic/380580-rb20det-help/
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