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2.8 factory turbo psi levels

Tech Talk for Nissan owners.

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2.8 factory turbo psi levels

Post by adamj1300 »

i was just wondering what is the factory turbo psi levels for a 99 GU, is it possible or worth it to turn the psi up, im not so much worried about running the motor, at higher temps or ruining its engine life as i plan for an engine swap in the nest 12 months!
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Location: Lilydale

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Post by Dzltec »

I believe its in the 12psi range, it can be turned up but you will need to add fuel to get more power out of it.

Andy
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Location: Bucharest, Romania, Europe

Post by Gabriel »

From what I remember...

The turbo pressure should be 0.65 - 0.7 atm. You can increse the pressure by modifing the wastegate actuator lever, making it longer.
BUT: you must remove the "valve pressure fuse device", located on the intake manifold, that is factory set to open to the athmosphere at 0.75 atm.

Regards, Gabi
GQ MWB 105 ", DID Mitsubishi engine with big turbo, fiber glass body, Boogger 38.5/11/16, 2x8274, 5 link front, triangulated 4-link rear, SAW 14" and 16" coil-overs, , 5.1 r&p.
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