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Mods To R33 Gtst And R34 Cooler

benl1981

By benl1981,
in Engines & Forced Induction

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benl1981 Grand Master

benl1981

Posted
Posted (edited)

I know this may have been covered before. But anyway. Some guys get 190rwkw out of stock intercooler. I have an R34 GTT unit and full turbo back exhaust and running 10psi with Powerfc.

Was wondering what people have found to be the max safe kw out of the R34 cooler and the intake temps at that level? Also Im hoping to get around 190rwkw at 10-11psi.

The next safe step to say 220-230rwkw would require turbo upgrade running 14-15psi. Would it be ok to run stock injectors and fuel pressure regaulator? And should the AFM be ok almost at its limit I guess? I have a nissan patrol clutch so I guess that should be ok. Could I also get awayt with the R34 cooler?

Any other things required for 220-230rwkw besides turbo upgrade?

Edited by benl1981
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Abo Bob Grand Master

Abo Bob

Posted
Posted

I had 189rwkw with my R34 stock cooler but that was auto and 12 psi.

I don't think it's very safe to go much above that, in fact I did blow my stock turbo there. Even with a bigger turbo you will need more cooling of the air so best to get a bigger cooler then.

People do say that the stock AFM is good for 220rwkw but it is only a rough rule of thumb. I have seen more. Plenty of people get there with stock injectors too although I think they usually need an adjustable fuel regulator and definitely a bigger fuel pump.

gts25t4door Experienced

gts25t4door

Posted
Posted

I met this guy with a 4door R33gtst auto running a GT2535 turbo at 10psi, and an Apexi SAFC making 220KW atw on the stock cooler. He has had this for the last 7 months and it appears to run fine. But I wouldn't reccomed it.

It can be done but it will cause damage in the long run.

Chris

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