PTUNING Spec-SS Turbo System with GTX2867R option - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

ScionOfHorus · 10-13-2015, 11:43 PM

Also, is an injector/fuel pump upgraded needed if staying on 93?

Mrc@ptuning · 10-14-2015, 10:27 AM

Quote:

Originally Posted by ScionOfHorus

Also, is an injector/fuel pump upgraded needed if staying on 93?

We recommend our fueling package, which includes 850cc injectors, 4 bar map sensor and ecutek license.

http://www.ptuning.com/subdir/partno...=PTP-ENG-15005

You do not need to upgrade your fuel pump for 93 only injectors.

MrC

mkivsoopra · 10-15-2015, 12:56 PM

@Mrc@ptuning would the smaller turbo clear the stock sway bar?

Mrc@ptuning · 10-15-2015, 01:04 PM

Quote:

Originally Posted by mkivsoopra

@Mrc@ptuning would the smaller turbo clear the stock sway bar?

No it will not.

MrC

ScionOfHorus · 10-15-2015, 01:46 PM

Quote:

Originally Posted by Mrc@ptuning

We recommend our fueling package, which includes 850cc injectors, 4 bar map sensor and ecutek license.

http://www.ptuning.com/subdir/partno...=PTP-ENG-15005

You do not need to upgrade your fuel pump for 93 only injectors.

MrC

Hmm, since I'm going full custom tune anyways I'll probably grab ID1000s and skip the basemap. Thanks for the info though

Doug@PTUNING · 10-27-2015, 09:41 AM

Bump!

cookiesowns · 10-30-2015, 04:56 AM

Interesting. Any idea of turbo efficiency at around 8-10 PSI with similar boost curves the GT30 and GT28?

Want to see which turbo produces less heat. Assuming tuned similarly.

Ken@PTuning · 10-30-2015, 04:11 PM

We haven't tested a GT28. Both the GT3076R and GTX2867R make around 325whp on our dyno with the same mods (the shop car). The GT30 will be more efficient than the GT28 when you start approaching the 400whp mark as you'll approach the limits of the GT28.

cookiesowns · 10-30-2015, 10:37 PM

Quote:

Originally Posted by Ken@PTuning

We haven't tested a GT28. Both the GT3076R and GTX2867R make around 325whp on our dyno with the same mods (the shop car). The GT30 will be more efficient than the GT28 when you start approaching the 400whp mark as you'll approach the limits of the GT28.

I was using GT28 and GT30 interchangeably with the GTX turbos you guys offer. . I have no plans of pushing over 400whp, at least on stock block.

Would the GTX2867R be a better turbo in that case? I rather not have massive amounts of torque down low.

sw20kosh · 10-31-2015, 01:32 AM

Quote:

Originally Posted by cookiesowns

I was using GT28 and GT30 interchangeably with the GTX turbos you guys offer. . I have no plans of pushing over 400whp, at least on stock block.

Would the GTX2867R be a better turbo in that case? I rather not have massive amounts of torque down low.

You won't have massive amounts of anything down low with either of these turbos. You are safe.

Darryljr11 · 11-05-2015, 05:32 PM

Im considering trying out a GTX2971R or GTX2976R.

mjsivee · 11-05-2015, 10:24 PM

Is there an A/T version

because i would make a drive up to you guys to get this bad boy installed?

Mrc@ptuning · 11-06-2015, 09:48 AM

Quote:

Originally Posted by cookiesowns

I was using GT28 and GT30 interchangeably with the GTX turbos you guys offer. . I have no plans of pushing over 400whp, at least on stock block.

Would the GTX2867R be a better turbo in that case? I rather not have massive amounts of torque down low.

You can never have enough torque down low

If you are planning to run 300whp to 370whp for daily driving, autox, track days then the smaller GTX2867R is a very responsive turbo and spools up very fast compare to the GT30R, but if you have plans to build your engine and run over 400whp, the GTX2867R will run out of steam on the top end after 400whp. We love the spoolup and low end torque of the GTX2867R for daily driving and it will probably suit the majority of our customers, but for those with built engines and bigger hp goals, you will need to go with a larger turbo like the GT or GTX30R.

Quote:

Originally Posted by Darryljr11

Im considering trying out a GTX2971R or GTX2976R.

how about a GTX2871R, the GTX2867R spoolup and low end torque is great, just need a bit more top end which could probably be achieved with the 71mm vs 67mm compressor wheel. Haven't tried any of the GTX29R yet. but you could be the first

Quote:

Originally Posted by mjsivee

Is there an A/T version

because i would make a drive up to you guys to get this bad boy installed?

Sorry, our turbo system cannot be adapted for the A/T without a complete redesign of the turbo placement--currently no real demand for such a setup. The stock A/T bell housing is massive, which doesn't leave much room for a turbo or the 3" downpipe that's included in our turbo system.

Hint, swap to a M/T frs/brz

Darryljr11 · 11-06-2015, 01:21 PM

The GTX28 even with the biggest turbine housing will probably choke with my built motor. Might be the first to switch to the GTX29 this winter!

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10-15-2015, 12:56 PM	#17
mkivsoopra Senior Member Join Date: Dec 2012 Drives: BRZ Location: CA Posts: 805 Thanks: 939 Thanked 950 Times in 412 Posts Mentioned: 161 Post(s) Tagged: 1 Thread(s)	@Mrc@ptuning would the smaller turbo clear the stock sway bar?

10-27-2015, 09:41 AM	#20
Doug@PTUNING Join Date: Oct 2012 Drives: 1996 Honda Civic Location: Manassas, VA Posts: 21 Thanks: 0 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Bump!

10-30-2015, 04:56 AM	#21
cookiesowns Member Join Date: Jul 2014 Drives: WRB BRZ Series.Blue Location: USA Posts: 85 Thanks: 7 Thanked 15 Times in 14 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Interesting. Any idea of turbo efficiency at around 8-10 PSI with similar boost curves the GT30 and GT28? Want to see which turbo produces less heat. Assuming tuned similarly.

10-30-2015, 04:11 PM	#22
Ken@PTuning Join Date: Jun 2013 Drives: '92 Nissan 240sx KA-T Location: Manassas, VA Posts: 105 Thanks: 25 Thanked 31 Times in 23 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	We haven't tested a GT28. Both the GT3076R and GTX2867R make around 325whp on our dyno with the same mods (the shop car). The GT30 will be more efficient than the GT28 when you start approaching the 400whp mark as you'll approach the limits of the GT28.

11-05-2015, 10:24 PM	#26
mjsivee Member Join Date: Aug 2012 Drives: Scion FR-S Location: San Angelo, TX Posts: 87 Thanks: 11 Thanked 14 Times in 10 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	Is there an A/T version because i would make a drive up to you guys to get this bad boy installed?

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