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Max Psi And Hp With Gt-ss ? On Rb26

cobrAA

By cobrAA,
in Engines & Forced Induction

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GTScotT Grand Master

GTScotT

Posted
Posted

That is fairly close to the max you will get out of them as is.

As stated E85 will get you further, yet they are fairly on the money for their efficient max on 98. Remembering that you have over 310rwkw, another 20 would be the most you could get (and the question is raised is that even worth the outlay?).

GL

cobrAA Mentor

cobrAA

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Posted (edited)

really? that seems low. I mean I don't even have cams or cam gear. I'm at 17psi.

I did some research before buying the gt-ss and they were rated like the -9 which is a tad more powerful than -7. My friend with a rebuilt rb26 run 460whp with his -7. So, I was expecting close to 500whp

Edited by cobrAA
STATUS Grand Master

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Posted
Posted
really? that seems low. I mean I don't even have cams or cam gear. I'm at 17psi.

I did some research before buying the gt-ss and they were rated like the -9 which is a tad more powerful than -7. My friend with a rebuilt rb26 run 460whp with his -7. So, I was expecting close to 500whp

what country?

SilverSlyder Enthusiast

SilverSlyder

Posted
Posted

Im currently making 380kw @20 psi from the gt-ss turbos with the 2.8 Tomei engine kit in my gtr. My tunner said i am having problems with the electronic boost controller as it is having problems holding boost over 20 psi.

Im happy with the performance at the moment @20 psi but will eventually get a new controller for it.

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