GT4 video of 7:42 Nordschleife - Supertest sport auto

GT4 video of 7:42 Nordschleife - Supertest sport auto

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Discussion

Mermaid

21,492 posts

172 months

Friday 17th April 2015
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Phooey said:
Nearly as quick as a 991 C2s


That's a good comparison - same horses for different courses kind of. I suppose £15k difference between the two, and two child seats. & the 911 name.

the other me

613 posts

154 months

Friday 17th April 2015
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2nd/3rd gear seemed to be the only 2 he needed (I didn't see him using 6th once, or did I blink & miss it ? )

EVO magazine complained bitterly that the Cayman gts was over geared, and Chris Harris said the same during his Hoon in the gt4. Unless you habitually spend your time on the Autobahn (surely not this cars intended forte ? ) what is the point in such high gearing. There were a few times on the vid where the car sounded a bit "flat" (as in sound, not as in flat-out) & yet it is only in 3rd, surely a car like this with a manual gearbox should be geared to zip through the ratios ?

At least make 1-5 much closer & leave 6th as an "overdrive/autobahnstorming" ratio . . . well, too late now I guess.

keep it lit

3,388 posts

168 months

Friday 17th April 2015
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no 6th gear on a Nordschlieffe lap....... WTF!?

Olivera

7,153 posts

240 months

Friday 17th April 2015
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Probably the longest and hence worst gearing I've ever seen in a car at the nurburgring.

Mermaid

21,492 posts

172 months

Friday 17th April 2015
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Olivera said:
Probably the longest and hence worst gearing I've ever seen in a car at the nurburgring.
The old Audi S4 4.2?

LaSource

2,622 posts

209 months

Friday 17th April 2015
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In a GT3 at the ring there is only one corner where I could use second - wehrseifen...and even there you can get away with third on some laps.
...and you do need sixth on the Dottinger Hohe straight

seawise

2,147 posts

207 months

Friday 17th April 2015
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When i saw him selecting 2nd before the Adenau exit i thought 'oh dear', perhaps they detractors have a point over the gearing! Who gives a toss about emissions and official fuel economy stats on a GT4? What a shame the budget didn't stretch to some shorter ratios.

Jim1556

1,771 posts

157 months

Friday 17th April 2015
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Looked a little too aggressive to me, turned in too early on a few corners as well, perhaps he's used to a car with a little more understeer? I reckon a smoother driver would have 3-4secs off that time - as would better (shorter) gear ratios...

I think a lot of cars only need 3rd gear from Hohe Acht to Eiskurve, lots of short, sprint, stamp, turn, repeat sections, I love that area... smile

EricE

1,945 posts

130 months

Friday 17th April 2015
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Jim1556 said:
perhaps he's used to a car with a little more understeer
Even more understeer!? Correct me if I'm wrong but the car in the video seemed to have massive amounts of understeer for a mid engined platform.

Jim1556

1,771 posts

157 months

Friday 17th April 2015
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Like I said, it depends what he's used to... FWD Golf R? biggrin

My point was, he obviously knows his way around and has oodles of confidence (you have to to take Angst Kurve at that speed), but, he was turning in very early on some corners meaning he then had to back off on the exit...

Either that or it needs a £10k suspension refresh... biglaugh

franki68

10,404 posts

222 months

Saturday 18th April 2015
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Mermaid said:
5 seconds, subject to ratios?
Porsche claimed the pdk on the 991gt3 improved the ring time by 15 seconds. Motwyw.

PorscheGT4

21,146 posts

266 months

Saturday 18th April 2015
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franki68 said:
Porsche claimed the pdk on the 991gt3 improved the ring time by 15 seconds. Motwyw.
that would make it not that great a car in manual then !


rosino

1,346 posts

173 months

Saturday 18th April 2015
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How difficult is it to modify/shorten the final drive? I thought as opposed to single gears ratios it was relatively simple to achieve ?

Also the last 997.2 GT3 suffered from same issue which was solved in the the RS by lower final drive and longer 6th to compensate. I think I had heard of GT3 owners fitting the RS final drive and leaving the 6th alone as 300kmh+ opportunities don't abound in real life.

Or is it an impossible mod to achieve economically ?

Mermaid

21,492 posts

172 months

Saturday 18th April 2015
quotequote all
PorscheGT4 said:
franki68 said:
Porsche claimed the pdk on the 991gt3 improved the ring time by 15 seconds. Motwyw.
that would make it not that great a car in manual then !
The M3 CSL SMG & M3 manual are examples of how this can work out:

M3 CSL 7:50 & the M3 is 8:22 = 32 seconds.

However there are differences - less weight, cup tyres on the CSL, faster rack, better brakes and about 5% more power.

isaldiri

18,604 posts

169 months

Saturday 18th April 2015
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franki68 said:
Porsche claimed the pdk on the 991gt3 improved the ring time by 15 seconds. Motwyw.
That can't be possible. 15s on just the upshifts is way too much. 5 seems more likely to me.

JeffC

1,690 posts

213 months

Saturday 18th April 2015
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isaldiri said:
franki68 said:
Porsche claimed the pdk on the 991gt3 improved the ring time by 15 seconds. Motwyw.
That can't be possible. 15s on just the upshifts is way too much. 5 seems more likely to me.
but its not just time changing gear, ratios on the PDK are a lump lower than the manual or they are on the two cars I currently own, think 2nd gear is something like 20mph shorter on the PDK to the manual . Pdk would give you a much better gear selection for each corner and at the ring there is a lot of corners .

koorby

175 posts

147 months

Saturday 18th April 2015
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Best advert for a PDK I've ever seen.

swimd

350 posts

122 months

Saturday 18th April 2015
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Excellent lap and very exciting to watch. Gearing does seem to be a bit on the long side but I'd hope the 3.8 makes up for it off the track.

Is it the camera perspective or does this driver sit extremely close to the wheel? I've noticed this in all of the videos on the channel, it seems like the wheel is just 15 cm from his chest.

franki68

10,404 posts

222 months

Saturday 18th April 2015
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Mermaid said:


That's a good comparison - same horses for different courses kind of. I suppose £15k difference between the two, and two child seats. & the 911 name.
The time for the 991 was a fully specced car if I recall correctly,power kit,ceramics,dynamic chassis thingy ,every 'driving option' available.a long way from only 15k more expensive.

Far Cough

2,233 posts

169 months

Saturday 18th April 2015
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Very frenetic lap from that chap. Was it the dodgy audio of was there loads of tyre screeching ?