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992 GT2RS powertrain speculation

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Old 04-24-2023, 07:29 AM
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jo_ker
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Default 992.2 GT2 RS - 2025

Latest - based on this pic and the already existing videos about the 992 GT2 RS - it should be clear that a 992 GT2 RS (i´m quite sure as 992.2) will come in 2025.

The current 992 GT3 RS needed also 2 years from the first Erlkönig pics until release. So 2025 for the GT2 RS should be ok. 2 years after the 992.2 Carrera release.


if Hybrid or not - no idea - i could imagine that it will be a standard GT2 RS Turbo. Maybe as E-Turbo.
I think that there will be also a N/A 992.2 GT3 RS as there will be 992.2 GT3 as N/A as we know it.
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Old 04-24-2023, 07:31 AM
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look:
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Old 04-24-2023, 07:48 AM
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more pics and gossip:

https://www.motor1.com/news/663780/p...rs-spy-photos/
Old 04-24-2023, 09:08 AM
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aobao1992
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Before they said it was in 2028 ,
https://www.autocar.co.uk/car-news/n...hp-hybrid-halo
Old 04-24-2023, 01:13 PM
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Wind911
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I wonder where do they vent the intercooler. Just dumping it under the car?



Old 04-24-2023, 01:35 PM
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TRX250EX
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Default 992 GT2RS powertrain speculation

What you guys think 992 GT2RS will use as a powertrain and how much horsepower it will make? Common sense will say Turbo S engine with a electric assistance.

​​​​​​But I personally think otherwise, I think they will use GT3 engine this time but with a low end electric boost and high end Turbocharged boost.

I'm not an engineer but I really think they gonna use the same tech as upcoming Huracan replacement, and the way I speculate how it will work is this:

GT2RS will have 4.0L Flat 6 revving all the way to 9000RPM and to keep RPM high a large turbo will be used instead of smaller ones, to avoid surge at low RPM the Turbo won't work until engine reaches optimum RPM about 6000-7000RPM in which the large turbo will get enough air to work efficiently, then the car will get NA feel where power keep increasing as RPM goes higher.

Now for low end I believe they will just use electric assistance (might also have small turbo but weight becomes an issue with many parts), GT3 already have decent torque and with electric assistance it's more than enough for GT2RS.

Overall this way the car will retain its 9000RPM limit + Power delivery feel of peak power at high RPM + will have enough torque at low end, as for power I expect around 800-820hp.

Issue? Weight of course however I genuinely think they can do it under 1600KG, if they can achieve all of this even at 1600KG that's just amazing, this is all speculation from my side but I genuinely will love to see this produced and my money ready for it.
Old 04-24-2023, 01:45 PM
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They will use a modified version of the Turbo S powerplant + mild hybridization for torque fill, efficiency, and added performance, putting out roughly 730-750bhp at around 3300-3400 lbs is my guess. There is no way they use the 3RS powerplant to achieve the numbers they need from this car.
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Old 04-24-2023, 02:52 PM
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GrantG
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Originally Posted by PTS
They will use a modified version of the Turbo S powerplant + mild hybridization for torque fill, efficiency, and added performance, putting out roughly 730-750bhp at around 3300-3400 lbs is my guess. There is no way they use the 3RS powerplant to achieve the numbers they need from this car.
I would love to see a turbocharged GT3 Motorsports engine, but I agree with you about the continued use of the 3.7L TT motor (much cheaper to make and easy to achieve target performance without upgrade here). But I think you are understating the power. If they add electric assistance, I expect to see power around 800hp (they already had 700PS last time without electricity).

It's a little insulting to put a wet sump motor in their top track 911, but I don't see this changing. Maybe we'll see the 3D-printed lighter pistons this time (this was rumored, but never implemented in 991 GT2 RS, AFAIK).

If they do go with a 4.0L turbocharged GT3 Motorsports engine plus hybrid, then I expect to see well over 800hp (many challengers these days and in the near future will have more power than this), limited production, and a huge price.

Since this is likely to be the model to introduce a Hybrid powertrain to the 911 range, I expect it will deliver enough performance to make people swallow their doubts about such a change.

Last edited by GrantG; 04-24-2023 at 03:03 PM.
Old 04-24-2023, 03:12 PM
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TRX250EX
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Originally Posted by GrantG
I would love to see a turbocharged GT3 Motorsports engine, but I agree with you about the continued use of the 3.7L TT motor (much cheaper to make and easy to achieve target performance without upgrade here). But I think you are understating the power. If they add electric assistance, I expect to see power around 800hp (they already had 700PS last time without electricity).

It's a little insulting to put a wet sump motor in their top track 911, but I don't see this changing. Maybe we'll see the 3D-printed lighter pistons this time (this was rumored, but never implemented in 991 GT2 RS, AFAIK).

If they do go with a 4.0L turbocharged GT3 Motorsports engine plus hybrid, then I expect to see well over 800hp (many challengers these days and in the near future will have more power than this), limited production, and a huge price.

Since this is likely to be the model to introduce a Hybrid powertrain to the 911 range, I expect it will deliver enough performance to make people swallow their doubts about such a change.
The reason I also mentioned they will come up with turbocharged GT3 engine this time is for 2 reasons:

1. The technology now might be ready for this.
2. GT2RS is a benchmark car which means takes years to beat it, except this time power will be beaten easily by new competition that GT2RS didn't face before, for example AMG GT already rumored over 800hp in it's regular form so imagine track focused variants, so Porsche need to come up with something special that makes GT2RS the benchmark in it's segment and that's what I believe powertrain tech.

Judging by price increase of 992 models and specially GT3RS I can see Porsche will come up with something really special than just a Hybrid Turbo S powertrain, I know it's hard to believe such a thing can happen but also judging by rumors of Huracan replacement, I won't rule out this powertrain happening.
Old 04-24-2023, 03:22 PM
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I think PAG is too cheap to put the R&D costs into force-inducting a NA GT3 engine.

It'll just be a 991 GT2 engine with a mild hybrid (like the 918 but probably with no pure EV range) and just call it a day.

It'll sell like cold bottled water on an August day in the Mojave desert no matter what Porsche does, so there's absolutely no incentive to revolutionize the powertrain of the GT2.
Old 04-24-2023, 03:25 PM
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Originally Posted by TRX250EX
2. GT2RS is a benchmark car which means takes years to beat it, except this time power will be beaten easily by new competition that GT2RS didn't face before, for example AMG GT already rumored over 800hp in it's regular form so imagine track focused variants, so Porsche need to come up with something special that makes GT2RS the benchmark in it's segment and that's what I believe powertrain tech.
GT2 historically has never been the top dog in terms of HP. In fact, most Porsche's rarely chase pure HP numbers.

Plus, unless Porsche goes CF monocoque and reduce weight significantly, it'll always be chasing the likes of Mclaren -- be it the old 765LT or even the rumored upcoming "regular" 750.

And AMG can put 1000 hp in its next GT S, but unless it can tune a chassis like PAG can, it just won't matter. Heck even the current Black Series can't really hang with the 991 GT2 RS MR.
Old 04-24-2023, 03:27 PM
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Why no yellow E sticker on the back if going to be a Hybrid. Like the upcoming Turbo S Hybrids run.
Old 04-24-2023, 03:32 PM
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Originally Posted by ipse dixit
GT2 historically has never been the top dog in terms of HP. In fact, most Porsche's rarely chase pure HP numbers.

Plus, unless Porsche goes CF monocoque and reduce weight significantly, it'll always be chasing the likes of Mclaren -- be it the old 765LT or even the rumored upcoming "regular" 750.

And AMG can put 1000 hp in its next GT S, but unless it can tune a chassis like PAG can, it just won't matter. Heck even the current Black Series can't really hang with the 991 GT2 RS MR.
What I meant by power is performance (sorry for wrong wording), basically being king of ring and lap times, but with current competition pushing things to next levels, it's kinda hard to see GT2RS doing what it used to do, I mean even Ferrari came up with over 1000hp car jumping over 200hp just like that and still not statisfied with SF90 getting VS treatment this year, the same goes with McLaren and Mercedes, hence for Porsche to claim the performance benchmark they need to really push power figures way high, remember I mentioned the cost of the car won't be that easy to swallow, of course they gonna find buyers but they also need to justify it.

By the time GT2RS comes out more and more competition will be revealed the big one is I heard Ferrari working on a very high downforce 296 VS
Old 04-24-2023, 03:40 PM
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If they make 800hp or more with the wet sump turbo motor and added electricity (will be a very big torque number) and use the 992 GT3 RS chassis, performance is pretty well guaranteed.

Last edited by GrantG; 04-24-2023 at 03:44 PM.
Old 04-24-2023, 03:42 PM
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ipse dixit
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Originally Posted by TRX250EX
What I meant by power is performance (sorry for wrong wording), basically being king of ring and lap times, but with current competition pushing things to next levels, it's kinda hard to see GT2RS doing what it used to do, I mean even Ferrari came up with over 1000hp car jumping over 200hp just like that and still not statisfied with SF90 getting VS treatment this year, the same goes with McLaren and Mercedes, hence for Porsche to claim the performance benchmark they need to really push power figures way high, remember I mentioned the cost of the car won't be that easy to swallow, of course they gonna find buyers but they also need to justify it.

By the time GT2RS comes out more and more competition will be revealed the big one is I heard Ferrari working on a very high downforce 296 VS
Yeah, I don't disagree.

But one thing that PAG has as its advantage is that no one (except maybe Lambo, another VW brethren) really cares about "official manufacturer" Ring times. Not Mclaren, and certainly not Ferrari.

So when Porsche builds a GT car to a specific Ring time (and make no mistake they absolutely do), they can have their own Werks drivers run the Ring times, ensuring a pristine lap and a headline grabbing Ring time.

While other marques may have their cars run on the Ring -- it's usually by a indie 3d party or some journalist with no official brand support so it's always going to be slower.



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