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Single turbo upgrade on JDM twin turbo GT

Posted: Thu Mar 20, 2003 11:36 am
by shadyrich
Hi Guys,

I'm just about to buy a 1994 JDM GT Wagon.

It has the twin turbo motor.

Does anyone know if its possible to upgrade to a single turbo setup? Possibly from a WRX?

Thanks

Rich

Posted: Thu Mar 20, 2003 4:12 pm
by -K-
I have heard of it being done. Why single turbo? That is the sequential twin turbo right? Have a look around this Ausie site, I don't think we have any twin turbos on here :cry:
http://www.rslibertyclub.org/forums/

why?

Posted: Thu Mar 20, 2003 8:07 pm
by shadyrich
the secondary turbo is small, and when you put on a big bore exhaust, it boosts to hard and dies.

I wanna run boost dammit!!!!!!!

Posted: Thu Mar 20, 2003 8:45 pm
by -K-
There is a way to run parrellel twin turbo :D ie, run two turbos the same size at the same time :) all you need is two same size turbos and reroute the vac hoses.

Posted: Thu Mar 20, 2003 9:18 pm
by shadyrich
OOOH!

That sounds sexy!

I might have to investigate that route

Posted: Thu Mar 20, 2003 9:23 pm
by -K-
There is a post on that in the Tech section of the link I posted. Go and check it out. And let us know how you car goes.

Posted: Sat Mar 22, 2003 2:45 am
by EJ20TMAN
Yeah dont ditch the twin turbo set up just fine tune it. One commin upgrade is to make a hybrid on the primary (small) turbo by putting the compressor and turbine wheels from the large turbo in the the small turbos housing.

Posted: Sat Mar 22, 2003 11:55 am
by LegacyT
Yeah, I heard those twin turbo engine are very, very hard to tune. Sequential is good, but not for allout performance. I'd moddify it to a parallel setup or go single with a single turbo like the TD06-20G or so.

Mark,