innovative GT66 DBB

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Mar 25, 2004 | 01:51 AM

Fulblown

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Joined: Jan 2004

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From: Edmonton, AB, CA

innovative GT66 DBB

QUICK QUESTION....What difference does trim make...???

I am going all out with a Inn. GT66 DBB...what would the difference between a p-trim and q-trim be?? Does anyone have any feedback regarding this TURBO??? TIMES? RWHP ##???

PS I did a search and most results were from people starting a GT66 project...non finished...

So any input on your results with a inn.GT66DBB would be appreiciated.

!!! 2 !!!
HOW DOES THAT EBAY MANIFOLD HOLD UP FOR THOSE OF YOU THAT USE IT???? IS IT A QUALITY PRODUCT??

Thanks in advance.

Mar 27, 2004 | 12:26 PM

rx7tt95

Photo Diety

Joined: Mar 2001

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From: Florida

If you're spending $1900 on a turbo, I'd consider getting a much better manifold than the Ebay piece of crap. Sure it's ok for the money but you'd be better off with an XS cast, HKS tubular, etc...

Mar 27, 2004 | 04:02 PM

boostedrotor

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Joined: Apr 2002

Posts: 297

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From: dallas

i have this turbo on my car in a q-trim....it's pretty damn sweet...no dyno #'s yet, we ran into some fuel pressure issues and i have installed a second fuel pump, one for each rail......we are looking to make 500ish @ 20psi on the race gas, should not be a problem, gonna try and tune to about 27 psi when all said and done..

Mar 27, 2004 | 04:05 PM

IRPerformance

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From: NJ

Expensive turbo...

Mar 27, 2004 | 05:40 PM

boostedrotor

Senior Member

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From: dallas

you know you like it ihor

Mar 27, 2004 | 06:26 PM

Sponge Bob Square Pants

Rotary Enthusiast

Joined: Nov 2003

Posts: 814

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From: Canada

Search and ye shall find:

https://www.rx7club.com/showthread.p...hreadid=218330
https://www.rx7club.com/showthread.p...hreadid=220870
https://www.rx7club.com/showthread.p...hreadid=261708

And a quote from the 3rd thread I posted the link to:

Quote:

Originally posted by RacerXtreme7
I just read through my own post and don't want to confuse some people being overly technical so I sumed it up simpler.

The smaller trim the quicker spool.............O being quickest spooler and Q being slowest. (or R trim being the slowest, remeber, R trim isn't widely used, its not a common Garrett part but is exclusive to an other manufacturer)

The smaller turbine trim the more restriction (back pressure) and the less ultimate power being made. Again, o being less power then the big Q (or R trim).

So the p trim will spool faster then the q, the q making more power on top.

The GTQ being the ultimate if you have the money for the new GT series turbos, flow like a Q and spool like a P.
~Mike............

*edit*
Just noticed you are from Edmonton. For quality advice and parts you can talk to Sven (owner/operator) at NRS Rotorsports.

Last edited by Sponge Bob Square Pants; Mar 27, 2004 at 06:30 PM.