GTIR turbo S15 T28 compressor upgrade questions
so i know i talked about this with Z28ricer and hillbilly drifter... but i forgot exact what was said...
i have an opprotunity to buy the S15 Spec R comp and exh housings and CS water and oil lines for $120 shipped, the question is i know a S14 comp housing bolts on... what about the S15? i know they're the same but i don't know if the wheel profiles are different and i'm worried about buying the housings and them not fitting....
and exactly how much more flow/power will i get out of "upgrading" the comp housing?
yes i've searched... and i come here cause we seem to have some GTIR turbo experts here...
i have an opprotunity to buy the S15 Spec R comp and exh housings and CS water and oil lines for $120 shipped, the question is i know a S14 comp housing bolts on... what about the S15? i know they're the same but i don't know if the wheel profiles are different and i'm worried about buying the housings and them not fitting....
and exactly how much more flow/power will i get out of "upgrading" the comp housing?
yes i've searched... and i come here cause we seem to have some GTIR turbo experts here...
Last edited by Blackzenki82; Aug 21, 2009 at 11:29 AM.
yeah i am curious as well.
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RIP my very best friend. DJ aka djzstang1 you will be missed dearly. I love you bro.

1995 240sx se
1992 240sx
1990 240sx se
1991 240sx hicas sr20det MDX
1991 240sx project coupe
1990 240sx drift beater hatch
1993 240sx sr20det
RIP my very best friend. DJ aka djzstang1 you will be missed dearly. I love you bro.

1995 240sx se
1992 240sx
1990 240sx se
1991 240sx hicas sr20det MDX
1991 240sx project coupe
1990 240sx drift beater hatch
1993 240sx sr20det
tim and lord, i made it down there cause i'm awesome... and can work the fuck out of the legal system...
I run a s15 turbo and everything bolted right on with the stock manni, the only thing that changed is because the wg is so big u need a custom ac line it will melt right through it. Also since i have a s13 sr into a s13 i had to the the oil fitting from a s14 turbo to make the oil return line work. The problem there was it was smashing into the steering and keep riping through the stainless steel line lol.
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Ride(s)
Green Lightning 10r :'( Sold :'(
Project Silvia :'( Sold :'(
2002 BO Lexus Is300 Rip :'(
2003 BO Lexus IS300 Sport Design (Project Altezza)
2010 Black Louts 10r :'( Sold :'(
1996 200sx Ser gtir swap 350hp SOLD
***More to come***
Car Stereo Installer for hire
come to me for your Audio Needs!!!!
Project.O In Full Effect...

Ride(s)
Green Lightning 10r :'( Sold :'(
Project Silvia :'( Sold :'(
2002 BO Lexus Is300 Rip :'(
2003 BO Lexus IS300 Sport Design (Project Altezza)
2010 Black Louts 10r :'( Sold :'(
1996 200sx Ser gtir swap 350hp SOLD

***More to come***
Car Stereo Installer for hire
come to me for your Audio Needs!!!!
real turbos dont have a t2 flange.... so go ahead and put your skirt back on
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Branden Berger
352-789-0006
86.5 toyota supra- 1jz never to be finished
01 mitsu eclipse v6 5mt chick car daily
98 honda accord ex- h22 swapped daily driver
Branden Berger
352-789-0006
86.5 toyota supra- 1jz never to be finished
01 mitsu eclipse v6 5mt chick car daily
98 honda accord ex- h22 swapped daily driver





