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718 GT4?

Old 01-05-2019, 12:23 PM
  #5116  
MrNurse
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Originally Posted by Ksdaoski
word on the street is 4.0 announced in Geneva, no Feb preview
Yup
https://www.roadandtrack.com/new-car...engine-rumors/
Old 01-05-2019, 12:30 PM
  #5117  
JSF101
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many thanks for the pictures! are the wheels 18 inch all around like last Clubsport?
Old 01-05-2019, 12:36 PM
  #5118  
MrNurse
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One of the biggest surprises of the 718 Cayman GT4 Clubsport was that it uses the naturally aspirated 3.8-liter flat-six as the old GT4 fit with a new intake manifold to raise horsepower from 385 to 425. This engine went out of production a few years ago when the 911 Carrera S switched to a 3.0-liter twin-turbo flat-six. It was a surprise to see it make a comeback, but as Scholz detailed, it makes sense for racing.

"A customer who knows the 981 generation [GT4 Clubsport]—everything technical about the car because they've learned it for three years now—can carry over their knowledge to the new car," Scholz said."The next thing is that we have very, very good experience with the engine from the 981. It's very robust, so why change it?"

Mercedes-AMG did something similar with its AMG GT3 race car, using the old 6.2-liter naturally aspirated V8 from the old SLS, rather than the 4.0-liter twin-turbo from the road car. But you're probably wondering what's going to power the 718 Cayman GT4 road car.

It won't be the 3.8-liter—Scholz told us it's only for the race car. After all, this engine hasn't been in production for a while, and it's doubtful that it meets the most recent emissions regulations. But, speaking to our colleagues at Car and Driver in 2017, Andreas Preuninger, head of GT road cars at Porsche Motorsport confirmed that Porsche has no intention to go turbo for the Cayman. That leaves one possible engine for the 718 Cayman GT4 Clubsport—the 4.0-liter flat-six used in the 911 GT3. It makes 500 hp in the GT3, though we have to imagine it'll make less in the GT4, just to keep the hierarchy in place.

Old 01-05-2019, 12:48 PM
  #5119  
pothole
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Originally Posted by venom51
You can't get out of 2nd gear without breaking the law...the last thing it needs for the street is more top end performance.
You can't enjoy a 400hp+ modern Porsche with huge chassis limits on the street fully within the law, period. Precisely where the power comes in the rev range is irrelevant to that.

But you can, in my view, safely enjoy an engine in one of these cars with the power pushed more to the top end of the rev on public roads. Plenty of sensible enthusiasts do that regularly. It may not be legal, but that doesn't make it unsafe. It's all about using good judgement. We all have to make judgements all the time when driving. So it goes.
Old 01-05-2019, 01:53 PM
  #5120  
Wild Weasel
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It’s a GT4. You take it to the track.
Old 01-05-2019, 02:03 PM
  #5121  
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Originally Posted by pothole
You can't enjoy a 400hp+ modern Porsche with huge chassis limits on the street fully within the law, period. Precisely where the power comes in the rev range is irrelevant to that.

But you can, in my view, safely enjoy an engine in one of these cars with the power pushed more to the top end of the rev on public roads. Plenty of sensible enthusiasts do that regularly. It may not be legal, but that doesn't make it unsafe. It's all about using good judgement. We all have to make judgements all the time when driving. So it goes.
Well said!
Old 01-05-2019, 02:04 PM
  #5122  
wizee
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Originally Posted by pothole
You can't enjoy a 400hp+ modern Porsche with huge chassis limits on the street fully within the law, period. Precisely where the power comes in the rev range is irrelevant to that.

But you can, in my view, safely enjoy an engine in one of these cars with the power pushed more to the top end of the rev on public roads. Plenty of sensible enthusiasts do that regularly. It may not be legal, but that doesn't make it unsafe. It's all about using good judgement. We all have to make judgements all the time when driving. So it goes.
Agree that there are few situations where you can fully enjoy the limits of the car legally on the road. One can hold the speed limit through corners on very twisty roads, or do quick bursts of acceleration and back off around the limit. It would be nice though for the gearing to be such that 2nd gear tops out around say 112 km/h instead of 135 km/h as it does currently on the GT4. This would provide 20% stronger acceleration at road legal speeds.
Old 01-05-2019, 02:18 PM
  #5123  
venom51
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Originally Posted by pothole
You can't enjoy a 400hp+ modern Porsche with huge chassis limits on the street fully within the law, period. Precisely where the power comes in the rev range is irrelevant to that.

But you can, in my view, safely enjoy an engine in one of these cars with the power pushed more to the top end of the rev on public roads. Plenty of sensible enthusiasts do that regularly. It may not be legal, but that doesn't make it unsafe. It's all about using good judgement. We all have to make judgements all the time when driving. So it goes.
On the street I'll take a bit more torque over top end hp. Even 10 ft lbs. between 2500 and 5000 would be more usable for every day driving. If we are headed to the track I want both if I can get it. In the stop light gran prix the torque is more valuable.
Old 01-05-2019, 03:03 PM
  #5124  
Dr. Ferdinand
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Originally Posted by GoKart Mozart
Even though I never thought it made sense for Porsche to but the GT3 engine in the GT4, it also never made sense for BMW to but the M3/4 engine in the M2, yet they did.
The M2 Competitions move to a S55 engine was driven entirely by one thing - Emissions Regulation. So for a change, we can be thankful that regs were to the benefit of the enthusiast. BMW had no other choice, so not a direct comparable to the GT4/3 case.
Old 01-05-2019, 03:05 PM
  #5125  
greggmorton
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Credit: https://www.instagram.com/p/BsQmgjTlhmc/
Old 01-05-2019, 03:10 PM
  #5126  
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Originally Posted by GP Racing
The 4.0l motor has been developed for some time. Its no GT3 motor but shares the capacity. All part of rationalisation to make the company more profitable with the advent of electrification amongst other things perhaps.. Mr. Preuninger and others can explain why the choice of the engine in the road car at launch.

https://www.bloomberg.com/news/artic...ush-for-e-cars

You know, the 4.0 thing was from me back in May right?
Old 01-05-2019, 03:27 PM
  #5127  
Nacelle
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Originally Posted by Whoopsy
You know, the 4.0 thing was from me back in May right?
Let me pat you on the back
Old 01-05-2019, 03:47 PM
  #5128  
venom51
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It'll be a nice send off for the non-Turbo platform if they do a really bitchin RS version with the 4.0l.
Old 01-05-2019, 04:08 PM
  #5129  
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More pics for you folks!
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Old 01-05-2019, 04:18 PM
  #5130  
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Center diffuser tunnel section looks decidedly less precise in fit and finish to all the carbon around it...

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