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Turbo Guru question

How to go faster, stop quicker, and turn harder. Chips, exhaust, larger turbos, bigger/slotted/drilled rotors, high performance brake pads, manual boost controllers, performance shocks/struts/springs, airbox mods and more! Also discussion on HID and Xenon lights, aftermarket foglights and other exterior lighting.
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Turbo Guru question

Post by Gmstewart22 » Wed Apr 17, 2019 12:57 pm

Anybody know if the 13G and 15G turbines are interchangeable? I'm looking to keep a stock 13G and install a 15G output turbine for hopefully quick spool and higher boost than stock 13G.. is this even possible?
The car I am building is a 98 V70XC lpt I'd like to run it till it blows then install a beefed up version 2.0
Thanks all

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1997 v70 AWD lpt
1997 v70 AWD lpt "rally rig"
1995 850 T5

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Re: Turbo Guru question

Post by matthew1 » Wed Apr 17, 2019 1:36 pm

I've never done this, so I can't speak from experience that it'll work. Not all the specs are the same between the two.

Size/measurement chart and info on 13G, 13T, 15G, 16T, 18T, 19T


FCP has good general info here, but nothing specific about your plan.

US market P80 turbochargers:
  • 15G: 94-97 Volvo 850 Turbo, 850 R
  • 13G: 97 Volvo 850 GLT, 98 S/V70 GLT, 98 V70 XC
  • 13T: 99-00 S/V70 GLT, V70 XC, 99-04 C70 LPT
  • 16T: 98-00 S/V70 T5, 98-04 C70 HPT, 98 V70 R
  • 18T: 99 V70 R
  • 19T: 00 V70 R
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1997 850 T5, MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace [gone]
2004 V70 R [gone]

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