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718 GT4?

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Old 02-16-2018, 05:04 PM
  #331  
NoGaBiker
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I think it could run the stock 718 GTS motor and be a good bit faster than a 981 GT4, based on my times on track alongside 718S's.

Well, not "a good bit" faster maybe, but faster.
Old 02-16-2018, 05:14 PM
  #332  
abe12345
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Keep in mind the new 718 Cayman S can whip the GT4 on track now (or at least match) because of the turbo motor. So if the new GT4 stays NA it will need a much bigger bump in power to deliver more performance than a 718 S
Old 02-16-2018, 06:13 PM
  #333  
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Originally Posted by abe12345
Keep in mind the new 718 Cayman S can whip the GT4 on track now (or at least match) because of the turbo motor. So if the new GT4 stays NA it will need a much bigger bump in power to deliver more performance than a 718 S
Yes, more like match not whip. But it's not just because of the motor. The chassis has been improved significantly over previous 981 S/GTS.
Old 02-16-2018, 06:36 PM
  #334  
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Originally Posted by abe12345
Keep in mind the new 718 Cayman S can whip the GT4 on track now (or at least match) because of the turbo motor. So if the new GT4 stays NA it will need a much bigger bump in power to deliver more performance than a 718 S
thats nonesense. Havent u driven either cars back to back. I have and I can tell u it comes close but not faster. Straight line maybe becos of the earlier torque curve but it doesnt brake as late or turn in as well.

stick like for like tyres it will come ever closer but its weakest link are the brakes....

Old 02-16-2018, 07:02 PM
  #335  
abe12345
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It's 5 seconds slower around the Ring driven by the same driver, while the 981 Cayman S is another 8s behind that. So yes, GT4 is still marginally faster). But if they only give it a ~20hp NA bump in power, the new GT4 will definitely not gain another 8s from the 718 Cayman S. If they stick with NA (please) I'm expecting a bigger bump in power to make up for the tq bump that the turbo 718s got. Otherwise it will be tough to justify the jump in pricing (also assuming Porsche will price 718 GT4 a decent bit higher after the enormous demand they experienced last time around).
Old 02-16-2018, 07:06 PM
  #336  
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Sorry I made a mistake by using such a strong term :P By "whip" I meant more in terms of value prop- the fact that the 718 Cayman S is only marginally slower around power circuits now while no doubt costing a decent chunk less than the upcoming GT4 if it indeed stays NA
Old 02-16-2018, 07:36 PM
  #337  
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Originally Posted by Gatte
I was feeling really bad thinking that it would be a turbo 6 from the 991 S. 2.7L turbo 4 is going to be really really bad.
6 cyl with turbos will not fit in the chassis. The turbos do not clear the bulk head.
This is one fair reason to believe it will not be a 6 cyl turbo...

Last edited by tcsracing1; 02-16-2018 at 10:38 PM.
Old 02-16-2018, 07:46 PM
  #338  
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Originally Posted by shaytun
My only thought is that a detune of the 4.0L from 500hp to 420hp seems comical, albeit possible I guess. How is AP gonna respond to that one? "It was a packaging issue because it's mid engine?" LOL
He can just say, we wanted to make it less fast.
He did with the 981 GT4. They gave it the 911 3.8L but made it less fast with the smaller throttle body.

I think we will see the same result with the 718 GT4. GT3 engine with smaller throttle body and less redline. So less fast as result, but plenty fast for GT4 racing worldwide.
Old 02-16-2018, 07:52 PM
  #339  
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How much lower do you think the redline will go with less exotic engine components?
Old 02-16-2018, 09:07 PM
  #340  
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Originally Posted by abe12345
How much lower do you think the redline will go with less exotic engine components?
My wild *** guess is 1k, so 8k redline.
Old 02-16-2018, 09:11 PM
  #341  
ajw45
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Originally Posted by abe12345
Keep in mind the new 718 Cayman S can whip the GT4 on track now (or at least match) because of the turbo motor. So if the new GT4 stays NA it will need a much bigger bump in power to deliver more performance than a 718 S
The 991.2 GTS is pretty close to the .2 GT3 also so it's not just a 718 trait. The GTS got +20 turbo hp to the GT3's +25 NA hp. Porsche can game the lap times with new stickier MPSC tires bigger brakes, more aero, and PDK with the 718 to keep GTS and GT4 separated even with similar hp.
Old 02-16-2018, 10:34 PM
  #342  
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Originally Posted by drwuss
My wild *** guess is 1k, so 8k redline.
Seems low -- my 2015 991.1 GTS 3.8 redlined at 7800.
Old 02-16-2018, 10:41 PM
  #343  
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Originally Posted by abe12345
How much lower do you think the redline will go with less exotic engine components?
It will be less then a GT3 9000 redline, but more then the 981 GT4 7600 redline.
Old 02-17-2018, 01:10 AM
  #344  
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Originally Posted by ExMB
Truth is you don't know but Porsche does.
Lol ok no one == none of us.

I assume Porsche employees aren't combing this forum answering threads about the next GT4 engine. Nor do any of the car rags have reliable intel.
Old 02-17-2018, 01:17 AM
  #345  
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Originally Posted by tcsracing1
6 cyl with turbos will not fit in the chassis. The turbos do not clear the bulk head.
This is one fair reason to believe it will not be a 6 cyl turbo...
Ok. I have not seen anyone state this specific before. I agree with your statement.


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