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GT3RS 991.2 Nurburgring....

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Old 02-21-2018, 06:16 PM
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TRAKCAR
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6:59
Because Manthey and tires.
Old 02-21-2018, 06:19 PM
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isv
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Originally Posted by RobbieRob
N
The Manthey car had suspension work(different coilovers), the new rear diffuser, stickier tires than stock on super lightweight wheels, etc etc, and went 7:10, which is 10 seconds faster than a stock .1, just can't see (imo) the .2 going any faster, but maybe match that number.
The Manthey car was running 918 spec N0 tyres. the new RS is going to have a much stickier set of tyres than those, especially if it's running on the optional tyre which is supposed to be even more track biased.....
Old 02-21-2018, 06:52 PM
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7:04.55
Old 02-21-2018, 07:06 PM
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GT3
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7:02.11
Old 02-21-2018, 07:25 PM
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djcxxx
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AP maybe keeping cards close on this. I think 7 or a tick under is within the realm of possibility. Agree with others that Ring times are far from the whole story for any sports car, but they are entertaining.
Old 02-21-2018, 07:25 PM
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6:58-7:05
Old 02-21-2018, 07:32 PM
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signes
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Will .2 3RS have a diffuser? It's all in the tires and conditions but I'd say sub-7:10 for sure, not likely to join Club 6
Old 02-21-2018, 07:58 PM
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Jimmy-D
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Remember- the .2 RS now revs to 9000 and I am sure the torque curve is very different- plus the 520 ponies could also be very conservative. We all may be in for a surprise
Old 02-21-2018, 08:01 PM
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At 7:00 , that would be 20 seconds faster than the .1, not going to happen. The difference between the .1 3 and the .2 3 should be a larger gap than the two RS models. The 3 received more downforce, stickier tires, better suspension, reprogramed PDK, etc. but the biggest gain was the 4.0 with not only more horsepower, but more torque that comes in so much earlier in the rev range than the 3.8.
I'll change my bet a little, 7:07-7:08, and that's 12 or 13 seconds faster than the .1. Ring times are definitely entertaining, I love to watch these sick bast**ds run these cars on that track.

Last edited by RobbieRob; 02-23-2018 at 04:18 AM.
Old 02-21-2018, 09:39 PM
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MaxLTV
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Originally Posted by RobbieRob
The difference between the .1 3 and the .2 3 should be a larger gap than the two RS models. The 3 got more downforce, stickier tires, better suspension, reprogramed PDK, etc. but the biggest gain was the 4.0 with not only more horsepower, but more torque that comes in so much earlier in the rev range than the 3.8.
Not quite accurate. GT3 got 25hp more and RS got 20hp more, so there the improvement for GT3 is bigger, but either is rather small. The torque available earlier would not impact the NR lap time because the lower rev range is not used on track anyway. But in all other areas, RS had the bigger changes - huge change in suspension including both calibration and new hardware (ball joints like in cup car and spering rates) vs. just recalibration in GT3, huge aero change (350kg->450kg or 30% increase vs. just 20% increase for GT3), and also stickier tires. So, engine aside, RS got bigger improvements. But it still may not be enough to dip below 7 minutes - it's not an easy task, especially on such a horsepower-dependant track.
Old 02-21-2018, 10:10 PM
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Mvez
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Originally Posted by TRAKCAR
6:59
Because Manthey and tires.
Yep. AP has been making a lot of comments about "cheater" tires, specifically aimed at Trofeo-R.....so magically now Michelin sells a more hardcore Cup 2 to compete with it. About time.

Between Manthey and Bilstein, they have the suspension and setup on point. Oddly enough, the spring rates from the Bilstein Clubsport suspension for the .1RS are the same as the .2RS OE spring rates. KW Race and Ohlins TTX suspensions also run very similar rates. Coincidence? I think not.
Old 02-21-2018, 10:15 PM
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TRAKCAR
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Originally Posted by Mvez
Yep. AP has been making a lot of comments about "cheater" tires, specifically aimed at Trofeo-R.....so magically now Michelin sells a more hardcore Cup 2 to compete with it. About time.

Between Manthey and Bilstein, they have the suspension and setup on point. Oddly enough, the spring rates from the Bilstein Clubsport suspension for the .1RS are the same as the .2RS OE spring rates. KW Race and Ohlins TTX suspensions also run very similar rates. Coincidence? I think not.
On point!
Watch some details coming about copying whatever Porsche skunkwerks AKA Manthey already figured.
Thanks for typing out my abbreviated version.
Old 02-21-2018, 10:59 PM
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Mvez
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The
Originally Posted by TRAKCAR
On point!
Watch some details coming about copying whatever Porsche skunkwerks AKA Manthey already figured.
Thanks for typing out my abbreviated version.
I'm always long winded. FWIW - these rates are totally fine on the street. Ohlins has me running 200 N/mm rear springs (1140#), and I'm freakin shocked at how good it rides on "street" settings. I'm talking barely even noticeable over stock, and mostly because I added monoball upper mounts.

If this is any indication of what is to come for .2 3RS owners, you guys are in for a treat. It's going to be sooooo much better for track and sticky tires, with virtually no additional harshness, but more direct feeling. Until now, the spring rates were too much of a compromise, but .2 3RS now truly needs no upgrades to the suspension.

This car makes me want to become a PDK convert.
Old 02-21-2018, 11:05 PM
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Sub 7:10 but it won’t crack the 6:5x mark...tires, driver and optimal conditions will get a sub 7:10
Old 02-21-2018, 11:54 PM
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GrantG
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Originally Posted by Mvez
Until now, the spring rates were too much of a compromise, but .2 3RS now truly needs no upgrades to the suspension.
I’m guessing part of the rationale for the much stiffer springs is to resist the very strong downforce at speed. But this will also certainly help with cornering and body control.


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