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718 GTS 4.0/GT4/GT4RS/Spyder/25th Anniversary Discussions about the 718 version of the GT4RS, GTS 4.0, GT4, Spyder and 25th Anniversary Boxster
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Old 09-08-2021, 11:17 AM
  #2236  
Wild Weasel
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Originally Posted by Westcoast
Yet there are many out there running way higher HP in 718's and even 981's with bigger engines and no reports ( that I read) of MT transmission failures... ?
Didn't a ton of 981 GT4's blow their transmissions even without adding any extra power? I know of at least one personally.

Regardless, I'd bet vital parts of my anatomy there will be no manual option for the RS.
Old 09-08-2021, 11:24 AM
  #2237  
Westcoast
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Originally Posted by Wild Weasel
Didn't a ton of 981 GT4's blow their transmissions even without adding any extra power? I know of at least one personally.

Regardless, I'd bet vital parts of my anatomy there will be no manual option for the RS.
Yes, it was one of the gears, but a known weak point...

And FWIW, I wasn't thinking of the manual for the GT4 RS, but rather the rumored Spyder RS/SE
Old 09-08-2021, 11:47 AM
  #2238  
raymort
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Originally Posted by Westcoast
Yes, it was one of the gears, but a known weak point...

And FWIW, I wasn't thinking of the manual for the GT4 RS, but rather the rumored Spyder RS/SE
That was the 3rd gear issue on the 981, right?
Old 09-08-2021, 01:11 PM
  #2239  
GrantG
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Originally Posted by raymort
That was the 3rd gear issue on the 981, right?
Yes, they changed their construction method during production (early cars were not affected).
Old 09-08-2021, 01:32 PM
  #2240  
Westcoast
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Originally Posted by raymort
That was the 3rd gear issue on the 981, right?
Originally Posted by GrantG
Yes, they changed their construction method during production (early cars were not affected).
Thanks @GrantG ...
Old 09-08-2021, 04:08 PM
  #2241  
TRZ06
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Based on the sounds of that video, it definitely does NOT sound like a GT3 derived motor, it sounds like the current GT4 motor with added HP.
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Old 09-08-2021, 04:16 PM
  #2242  
GrantG
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Originally Posted by TRZ06
Based on the sounds of that video, it definitely does NOT sound like a GT3 derived motor, it sounds like the current GT4 motor with added HP.
I’m not sure how you can be so definitive, when the orientation of the drivetrain will necessitate a totally different exhaust for the two platforms (several feet longer exhaust in the GT4).
Old 09-08-2021, 04:22 PM
  #2243  
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Originally Posted by TRZ06
Based on the sounds of that video, it definitely does NOT sound like a GT3 derived motor, it sounds like the current GT4 motor with added HP.
Sounds just like mine with the JCR exhaust and Akra Link-pipes... sweet!
Old 09-08-2021, 04:33 PM
  #2244  
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Originally Posted by Westcoast
Sounds just like mine with the JCR exhaust and Akra Link-pipes... sweet!

You just save a chunk of $$$$$$$$!!!!!

The issue with the GT4RS is pricing...how is PAG going to price this thing? Will they skip adding substantial improvements over a GT4 to keep price down or add them and put it too close to a GT3?
The rumor from the GM at my dealer is that base will be well above a high spec GT4.....so the question is: Will the difference be enough to warrant going 4RS or 992 GT3. At these price level you really need a huge chuck of difference to make it worth.
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Old 09-08-2021, 04:59 PM
  #2245  
phefner
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Originally Posted by sonorous
I spy some interesting diffuser/aero upgrades in that video...
718 GT4RS:

718 GT4:
Current GT4 already feels like a slot car on the road with super conducting magnets. I've rubbed the aero in the rear while pounding on some of the hills here in the midwest. This GT4RS looks like its going to be a blast.

Last edited by phefner; 09-08-2021 at 05:10 PM.
Old 09-08-2021, 05:27 PM
  #2246  
TRZ06
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Originally Posted by jmartpr
You just save a chunk of $$$$$$$$!!!!!

The issue with the GT4RS is pricing...how is PAG going to price this thing? Will they skip adding substantial improvements over a GT4 to keep price down or add them and put it too close to a GT3?
The rumor from the GM at my dealer is that base will be well above a high spec GT4.....so the question is: Will the difference be enough to warrant going 4RS or 992 GT3. At these price level you really need a huge chuck of difference to make it worth.

If the numbers and lap times are close to the GT3 then it will be VERY desirable, regardless of price. Everyone knows that the mid-engine platform is superior to the rear engine for dynamics and at the limit handling. If the GT4 RS's numbers get you close to the GT3, I think it would more desirable than the GT3.
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Old 09-08-2021, 05:31 PM
  #2247  
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Originally Posted by TRZ06
Everyone knows that the mid-engine platform is superior to the rear engine for dynamics and at the limit handling.
I guess I’m one of the ignorant ones you didn’t account for. I find the rear engined handling more predictable, progressive, and enjoyable at the limit.

Last edited by GrantG; 09-08-2021 at 05:33 PM.
Old 09-08-2021, 05:51 PM
  #2248  
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Originally Posted by TRZ06
Everyone knows that the mid-engine platform is superior to the rear engine for dynamics and at the limit handling. If the GT4 RS's numbers get you close to the GT3, I think it would more desirable than the GT3.
All else being equal ONLY. Newer GT3 with rear multilink and double wishbone in the front are easier to drive at the limit that 718 mid engine platform with struts on all 4 corners.
Old 09-08-2021, 06:14 PM
  #2249  
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Originally Posted by ExMB
All else being equal ONLY. Newer GT3 with rear multilink and double wishbone in the front are easier to drive at the limit that 718 mid engine platform with struts on all 4 corners.
I absolutely agree with that. But even if the suspensions were identical on both cars, a mid-engined car tends to spin far more suddenly once it loses traction (just the nature of low polar moment of inertia - having its weight concentrated within the wheelbase). However, it's also what makes a mid-engined car more nimble and eager to change direction at 9/10ths.

Remember the figure skater who spins far faster when she brings her outstretched arms into her chest (concentrating the mass near the axis of rotation)…

Last edited by GrantG; 09-08-2021 at 06:17 PM.
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Old 09-08-2021, 06:19 PM
  #2250  
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Originally Posted by GrantG
I absolutely agree with that. But even if the suspensions were identical on both cars, a mid-engined car tends to spin far more suddenly once it loses traction (just the nature of low polar moment of inertia - having its weight concentrated within the wheelbase). However, it's also what makes a mid-engined car more nimble and eager to change direction at 9/10ths.

Remeber the figure skater who spins far faster when she brings her outstretched arms into her chest (concentrating the mass near the axis of rotation)…
This is true, BUT if you keep all the system on, you get the benefit of the mid-engine balance, while at the same time have the stability control system to even the playing field with the more controllable rear engine when traction is lost.

Your example should only come into play with all systems off.


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