My TLDR driving impressions of the GT4 RS + tech info
03-23-2022 | 03:28 AM
#16
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💯💯💯
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03-23-2022 | 05:59 AM
#18
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There was no opportunity to compare, they had PCCB on all of them. I was happy with the pedal feel and modulation but nothing stuck out as all that different from my steel setup. The unsprung weight loss helps of course and they made these cars as light as they could - they even had the PCM delete.
992 GT3 is also a very firm ride but it is definitely more refined to drive slowly. Less unwanted sounds from the engine coming in for a start, but the overall comfort level is just higher. And yes, the option of a nicely geared manual box certainly makes the 992 more attractive to those who want MT.
992 GT3 is also a very firm ride but it is definitely more refined to drive slowly. Less unwanted sounds from the engine coming in for a start, but the overall comfort level is just higher. And yes, the option of a nicely geared manual box certainly makes the 992 more attractive to those who want MT.
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03-23-2022 | 11:18 AM
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And the sad part is...very few will see the track :/
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03-24-2022 | 07:43 AM
#24
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Yeah we had a pre-set route in the nav that we followed, about an hour. Small roads through towns and then slightly more open and deserted ones through the hills.
It seemed better to me than my GT4, definitely. But we didn't have a huge variety of road surfaces.
03-24-2022 | 08:35 AM
#25
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Thanks for the review!
How was the deep sea blue interior and stitching in person? Seems so variable in the configurator, photographs and videos.
Did it work with the exterior paint and the yellow interior accents?
Was it so dark against the leather and racetex that you didn’t notice it was even blue or was it quite a clear contrast?
How was the deep sea blue interior and stitching in person? Seems so variable in the configurator, photographs and videos.
Did it work with the exterior paint and the yellow interior accents?
Was it so dark against the leather and racetex that you didn’t notice it was even blue or was it quite a clear contrast?
03-24-2022 | 08:45 AM
#26
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The dark blue elements certainly don't offer much contrast, that's for sure, so won't work as well with brighter colours.
03-24-2022 | 02:30 PM
#27
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The parts bin nature of the RS has me wondering if the new stiffer springs, control arms, and rear toe links could be fitted to a standard GT4, and if the ABS/brake updates are just software and could be updated for track drivers.
GM offered a program with the C7 suspension that could be done at the dealer.
I also wonder if the intake design will be copied for the GT4 and people can buy the window vents from Porsche.
GM offered a program with the C7 suspension that could be done at the dealer.
I also wonder if the intake design will be copied for the GT4 and people can buy the window vents from Porsche.
03-24-2022 | 02:32 PM
#28
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The parts bin nature of the RS has me wondering if the new stiffer springs, control arms, and rear toe links could be fitted to a standard GT4, and if the ABS/brake updates are just software and could be updated for track drivers.
GM offered a program with the C7 suspension that could be done at the dealer.
I also wonder if the intake design will be copied for the GT4 and people can buy the window vents from Porsche.
GM offered a program with the C7 suspension that could be done at the dealer.
I also wonder if the intake design will be copied for the GT4 and people can buy the window vents from Porsche.
But the intake...you'd be cutting up the interior pretty heavily to make that work....
03-24-2022 | 02:39 PM
#29
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The suspension will be the easiest bit to reproduce on the GT4, the parts bolt on and you can use a DSC controller for the PASM if need be.
Airbox... could be difficult. While you could imagine someone making a plenum with the throttle body on top so the rest of the (undoubtedly expensive) OEM RS intake bits mate up to it, the RS has individual throttle bodies so I assume the layout of its plenum and flaps is very different and possibly incompatible with the 9a2 evo system.
Adopting a side window intake a la 718 CS would be easier but messes up your trunk.
Airbox... could be difficult. While you could imagine someone making a plenum with the throttle body on top so the rest of the (undoubtedly expensive) OEM RS intake bits mate up to it, the RS has individual throttle bodies so I assume the layout of its plenum and flaps is very different and possibly incompatible with the 9a2 evo system.
Adopting a side window intake a la 718 CS would be easier but messes up your trunk.
03-24-2022 | 02:39 PM
#30
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The parts bin nature of the RS has me wondering if the new stiffer springs, control arms, and rear toe links could be fitted to a standard GT4, and if the ABS/brake updates are just software and could be updated for track drivers.
GM offered a program with the C7 suspension that could be done at the dealer.
I also wonder if the intake design will be copied for the GT4 and people can buy the window vents from Porsche.
GM offered a program with the C7 suspension that could be done at the dealer.
I also wonder if the intake design will be copied for the GT4 and people can buy the window vents from Porsche.
Maybe the 4RS PCCB's ABS programming would translate better to the PCCB brakes on the GT4, but can't imagine a dealer being cooperative on something like that...
Last edited by GrantG; 03-24-2022 at 05:00 PM.