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Feb 23, 2018 3:45:08 PM
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RC
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Re: Porsche Cayman GT4 RS
steelested:Do you think that would be a bad thing?
To be honest: I don't have a clue. I am just a little bit worried (remember the first days of the catalytic converter?) but since manufacturers already have experience with particulate filters on Diesel cars, maybe I worry too much.
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RC (Germany) - Rennteam Editor Porsche 991.2 Carrera GTS Cabriolet (2018), Porsche Cayenne S Diesel (2017), Audi R8 V10 Plus (2016), Mini JCW (2015)
Feb 23, 2018 10:29:33 PM
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Gauss
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Re: Porsche Cayman GT4 RS
I can't imagine it being released in over a year only. The car looks completely finished and ready to go. Many spy photos have surfaced. Maybe we will see the GT4 this year (couple of months after Geneva), and a GT4 RS in 2019 ?
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White 991.2 GT3, production week 10
Re: Porsche Cayman GT4 RS
Gauss:I can't imagine it being released in over a year only. The car looks completely finished and ready to go. Many spy photos have surfaced. Maybe we will see the GT4 this year (couple of months after Geneva), and a GT4 RS in 2019 ?
Agreed. 18 months is too far out and the 718 range will be due it's mid life refresh by that point. That would make the apparently near production ready test cars visually obsolete as head and tail light designs will alter with that model cycle update.
Re: Porsche Cayman GT4 RS
Particulate filter is sure.
Official anouncement I expect end of this year, cars around this time in 2019.
Particulate filter is good for the environment, but bad for the car. Lost of sound and lost of power.
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daily (no fun): BMW 430d
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Re: Porsche Cayman GT4 RS
acky:Particulate filter is sure.
Official anouncement I expect end of this year, cars around this time in 2019.
Particulate filter is good for the environment, but bad for the car. Lost of sound and lost of power.
--daily (no fun): BMW 430d
for fun: Porsche Boxster GTS
Do you have a source, acky?
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White 991.2 GT3, production week 10
Re: Porsche Cayman GT4 RS
acky:Particulate filter is sure.
Official anouncement I expect end of this year, cars around this time in 2019.
Particulate filter is good for the environment, but bad for the car. Lost of sound and lost of power.
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daily (no fun): BMW 430d
for fun: Porsche Boxster GTS
No it is not.
It won't even make a measurable/unmeasurable difference. Not a single iota to the air quality of the Earth!
Do you know even how many old unmaintained cars' emissions needed to add together to even approach a single ocean going vessel running bunker fuel on a single journey across the Atlantic?
Every. Single. Car. Made. In. Europe. Ever. Since. The. Birth. Of. Cars.
It's simply politics. Car makers are easier target than shipping companies.
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Feb 25, 2018 6:14:13 AM
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the-missile
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Whoopsy
Re: Porsche Cayman GT4 RS
What Nick mentioned is true...
15 shipping boat pollutes more than 500M European unified with their cars and homes and heating systems...
the emission is a joke compared to those burners. it is easy to tax and annoy citizens. much more difficult with these massive ship boats which drive international commerce
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991.2 GT3 arriving, 991 GT3 2014(sold)
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Feb 25, 2018 6:21:21 AM
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Whoopsy
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Feb 25, 2018 11:27:35 AM
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Carlos from Spain
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Whoopsy
Re: Porsche Cayman GT4 RS
Whoopsy:European needs the ship to move their products, of course they cannot offend the shipping companies, plain and simple.
In all fairness if we look at the containertrade which is related to goods, both US and Europe are heavily dependant on ships. The weekly capacity in these trades are Asia - US (Might include S. America) 454K teus. Asia - Europe 404K teus and transatlantic trade only 140K teus 
Feb 25, 2018 8:52:55 PM
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Pietrostone
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Feb 25, 2018 9:19:51 PM
- crayphile
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Re: Porsche Cayman GT4 RS
Pietrostone:
Nice spots there, and not just GT4s !
Re: Porsche Cayman GT4 RS
The Spyder and GT4 have the same rear valence and exhaust. Would that also suggest turbo rather than NA since the likelihood of a NA GT engine in the Spyder is rather remote?
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Feb 26, 2018 7:11:15 AM
- Boxster Coupe GTS
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Re: Porsche Cayman GT4 RS
DaveC:The Spyder and GT4 have the same rear valence and exhaust. Would that also suggest turbo rather than NA since the likelihood of a NA GT engine in the Spyder is rather remote?
To state the obvious, the style of the rear valence and position of the exhaust do NOT indicate whether an engine is naturally aspirated or turbo... 
For example, check out the exhaust position on the original Porsche 996 GT3 mk1...
...with a naturally aspirated engine! 
It may however, relate to how the new GT4's aerodynamics and that "rear diffuser" are designed to function! 
Re: Porsche Cayman GT4 RS
Gauss:Doesn't the exhaust system suggest turbo ?
I'm afraid so...
Also, there is another point someone made when I asked about the engine in the next GT4: "What would it say about the 718 engines if we install a different n/a engine in the top model?". Well...
So my guess is (for now): Spyder and GT4 get turbo charged engines, while the GT4 RS gets a n/a engine.
Rumors...wild guesses...nothing solid yet.
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RC (Germany) - Rennteam Editor Porsche 991.2 Carrera GTS Cabriolet (2018), Porsche Cayenne S Diesel (2017), Audi R8 V10 Plus (2016), Mini JCW (2015)
Feb 26, 2018 8:55:08 AM
- jamesdamanuk1
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RC
Feb 26, 2018 8:56:41 AM
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RC
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Re: Porsche Cayman GT4 RS
jamesdamanuk1:I have said from the start i reckon it will be the 3.0L turbo lump from a 911. If they just tune up the flat 4 it will ruin the car and they have no other options. They wont bring back the 3.8 and the 4.0 is to costly
The 3.0 l turbo from the 911 will have difficulties to fit I'm afraid but who knows... 
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RC (Germany) - Rennteam Editor Porsche 991.2 Carrera GTS Cabriolet (2018), Porsche Cayenne S Diesel (2017), Audi R8 V10 Plus (2016), Mini JCW (2015)
Feb 26, 2018 9:11:29 AM
- jamesdamanuk1
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Feb 26, 2018 9:20:52 AM
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RC
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Re: Porsche Cayman GT4 RS
jamesdamanuk1:They said the 3.8 wouldn't fit or it would be tricky as well but they managed it. If they stick a flat 4 in it i think it would really ruin the car. Prices of the already inflated gt4 would go up massively.
The 3.0 l turbo engine is a tight fit (unless you have a wider body) and you also need room for the intercoolers.
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RC (Germany) - Rennteam Editor Porsche 991.2 Carrera GTS Cabriolet (2018), Porsche Cayenne S Diesel (2017), Audi R8 V10 Plus (2016), Mini JCW (2015)
Feb 26, 2018 10:14:37 AM
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RC
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Re: Porsche Cayman GT4 RS
jamesdamanuk1:Ao lets say it is not the 3.0L lump and it cant be the 4.0 due to costs, i am guessing you think it will be the 2.5 flat 4?
Honestly, I don't have a clue.
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RC (Germany) - Rennteam Editor Porsche 991.2 Carrera GTS Cabriolet (2018), Porsche Cayenne S Diesel (2017), Audi R8 V10 Plus (2016), Mini JCW (2015)
Feb 26, 2018 11:08:26 AM
- Boxster Coupe GTS
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RC
Re: Porsche Cayman GT4 RS
RC:jamesdamanuk1:They said the 3.8 wouldn't fit or it would be tricky as well but they managed it. If they stick a flat 4 in it i think it would really ruin the car. Prices of the already inflated gt4 would go up massively.
The 3.0 l turbo engine is a tight fit (unless you have a wider body) and you also need room for the intercoolers.
Indeed, the intercoolers for the turbo need more room... but a naturally aspirated flat-six engine fits ok!
Feb 26, 2018 11:18:57 AM
- jamesdamanuk1
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Feb 26, 2018 12:21:27 PM
- KMM
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Re: Porsche Cayman GT4 RS
We keep going in circles on this topic, trying to square the circle (if I may mix metaphors):
- 6 cylinder turbo will not fit (but they said the same thing about the 3.8)
- 4 cylinder turbo won't do it
- 6 cylinder N/A non-GT3 not available
- 6 cylinder GT3 derivative is taboo
"Will not fit" can mean many things: it can mean that the 3.8 won't fit as is, but will fit if we modify the plenums slightly; or it could mean that there is absolutely no way to modify the plumbing 2 turbos and 2 intercoolers. My bet is still on a detuned derivative of the GT3 motor, with less exotic components and a lower redline. And I don't see what the relationship between exhaust outlets location and aspiration type really is; for years now, this has been a purely cosmetic decision.
For me, whether turbo or NA, as long as it is a 6 cylinder, I'll keep after my dealer to get one.
Feb 26, 2018 12:22:20 PM
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the-missile
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