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G'day guys,

I know this is a very repetative topic "whats the max boost I can run?!?" :D

but I've heard that R33 Series 2s have plastic compressor wheels ... and my friend is wondering how much boost he can run :confused:

He only has a catback zorst and the bleed valve :D

Should he just set it at 10-11psi?

Cheers :)

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The Nylon Impeller turbos were brought out in the R34's

Regardless though, the weakness is the ceramic turbine

I have a series two and have boosted mine to 13psi, although, i have a very efficiently cooling intercooler (~8degrees above ambient temps) and tuned properly

Running stock intercooler your best bet for your mate is 10psi in which case would most likey be at if he was to get a turbo back exhaust (so there will be no need for bleeding)

dont bother with bleeder valves or such, just tell him to get a dump/front pipe from the turbo and the boost pressure will increase natrually to 10psi

So Soulja, your engine is so inefficient that you have to run 32 psi to make any power. Get a decent engine and turbo and tune it properly so you can make the same power at 20 psi. Just like dinosaurs, big boost is ancient history. Get with the new millennium or you'll be extinct as well.

Guest INASNT
Originally posted by Sydneykid

So Soulja, your engine is so inefficient that you have to run 32 psi to make any power.  Get a decent engine and turbo and tune it properly so you can make the same power at 20 psi.  Just like dinosaurs, big boost is ancient history.  Get with the new millennium or you'll be extinct as well.

i doubt he even has a car! :bahaha:

back to topic. i agree with above.

do the full zorst fron turbo back/hi flo cat.

I get 9.5 psi and that's with my huge cooler.

12psi is the max. You can crank it to 13-14 but your turbo is not gonna last very long... curse the ceramic!

  • 8 years later...

I just put a full turbo back system on my 33 ser2 and boost is hitting 10 psi now instead of seven.. An it jut ayers coughing an farting as soon as it hits 10..

Anyone able to tell my how it could have changed my boost pressure an why it's not likin 10 psi?

Other mods being

Walbro fuel pump

Fmic

An have disconnected the 2 stage solenoid by earthing it..

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