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What Can I Hope For And How Much Boost

Cooper

By Cooper,
in Engines & Forced Induction

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Cooper Proficient

Cooper

Posted
Posted

In a few weeks i am getting my new turbos put into my car (R33 GTR) :blink: They are GT2860r-7's. I am also getting my exhaust replaced at the same time. I have Tomei dumps, 3 inch Do-Luck front pipes, 3.5 inch cat, and a 3.5inch Do-Luck cat back.

My car is stock at the moment and was dynoed at 181KW at all 4.

My question is what sort of power increase can i expect from this upgrade? And what PSI/BAR should my turbos be set at? I assume since i dont have a manual or electronic boost controller that the boost can be set on the actuators? Im thinking 1 BAR will be fine and still keep my engine in good safe working order.

Cheers for any help :down:

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

18-20psi you should see around 300 at all four with management.

You make no mention of management however, so if you dont have any...

1bar - 250 at all four.

Bit of a waste running 1bar with those turbos though, get some management

Cooper Proficient

Cooper

Posted
  • Author
Posted

The plan is to get a Power FC when i have the money ready. Im just trying to get my car back on the road after it being off the road for 6 months with stuffed turbos.

I dont really like the idea of being to close to 300KW just for the fact that if my engine goes i cant afford to rebuild it at the moment im trying to save for a house aswell :blink:

  • 3 weeks later...
700HP-GTR33 Mentor

700HP-GTR33

Posted
Posted
I finally got my car back today with everything fitted and no more exhaust smoke either :)

I managed to get 232awkw @ 14PSI

That is great for a stock GTR.....

PFC will only get you another 20 to 30 AWKW's.....

Tomei_33 Rising Star

Tomei_33

Posted
Posted
I run the gt-ss turbos on my stock r32 gtr at 307rwkw with a safe tune and blew up no.6 piston within 3000km. Don't do it mate. Run about 270-280rwkw to be safe.

Cheers,

Al

wahhhtttttttttttt im scared to install my GT2860 -5s now ;)

marchGTR Collaborator

marchGTR

Posted
Posted
I finally got my car back today with everything fitted and no more exhaust smoke either ;)

I managed to get 232awkw @ 14PSI

once you get the power FC you should see an easy 290-300rwkw with 18psi..i think that would be safe. 232awkw is what you would expect from standard turbo's at 14psi

Cooper Proficient

Cooper

Posted
  • Author
Posted
Cooper,

You in Adelaide mate? Whos doing the work on your car?

Cheers,

Big Mike

Yeah im in Adelaide, Graham West Workshop (Adelaide Performance Engineers) did the work.

If i wanted 16 PSI would it be as easy as adjusting the nuts on the actuators? since i dont have a boost controller. How much would i have to wind them out?

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