Speed in gears 997.2 GT3 , 3rd in particular !

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08-31-2017, 02:07 PM

Horizontally Opposed Man

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Speed in gears 997.2 GT3 , 3rd in particular !

Hey cannot find the speed in gears chart that generally is found in the owners manual .Love to see the whole thing but particular interest in third gear ( where can I get the downshift to 3 in at turn 10 at VIR&#128512

TIA HOM

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08-31-2017, 05:04 PM

FLT6SPD

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https://www.pistonheads.com/gassing/topic.asp?t=1114130

03-05 996 Cup:..........1st-45mph,..2nd-70mph,..3rd-96mph,....4th-106mph,..5th-127mph,..6th-153mph
996.1GT3:.................1st-41mph,..2nd-73mph,..3rd-101mph,..4th-130mph,..5th-162mph,..6th-192mph
996.2GT3&RS:...........1st-41mph,..2nd-73mph,..3rd-101mph,..4th-130mph,..5th-157mph,..6th-184mph
997.1GT3&RS&.2GT3:..1st-42mph,..2nd-70mph,..3rd-97mph,....4th-123mph,..5th-150mph,..6th-172mph
997.2 GT3RS:............1st-37mph,..2nd-63mph,..3rd-87mph,....4th-111mph,..5th-135mph,..6th-162mph
2008 997 Cup...........1st-43mph,..2nd-65mph,..3rd-81mph,....4th-99mph,....5th-122mph,..6th-149mph

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08-31-2017, 05:25 PM

Horizontally Opposed Man

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Thank you very much!

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08-31-2017, 10:52 PM

Accel Junky

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Quote:

Originally Posted by FLT6SPD

Just FYI: That is only to 7000rpm. That does not show the top speed in each gear for a 997.2 GT3.

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09-01-2017, 08:27 AM

Horizontally Opposed Man

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So that being the case the top speed in each gear in the.2-3 would be approximately 18% higher ?Or something like that?Seems to me that redline in 3rd is much higher than what's indicated on the chart😀

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09-01-2017, 09:21 AM

jackb911

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The owners manual in my .1 states the top speed is 193 mph

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09-01-2017, 09:24 AM

extanker

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instructor ?

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09-01-2017, 09:31 AM

Accel Junky

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Quote:

Originally Posted by Horizontally Opposed Man

I had a source for the speeds at redline last night and now I can't find the damn thing...

Mine has the RS ring and pinion so I can't give you my own actual limits in each gear.

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09-01-2017, 09:46 AM

Accel Junky

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Ok, I found it:

https://rennlist.com/forums/997-gt2-...ml#post8903220

Quote:

Originally Posted by 997gt3north

Your calcs are out a little I believe
As posted by NJGT a few years ago
Even these, I somehow think I've seen 118mph in 3rd in a 997GT3.

996GT3
Stock Michelin Pilot Sport 2 295/30R18 (25.0" tall). 5th and 6th gear redline at 8,000rpm

Gear Ratio -------- Max Seed -------- RPM on upshift
=======================================
1st: 3.82 -------- 46 mph
2nd: 2.15 -------- 82 mph -------- 4600 rpm
3rd: 1.56 -------- 114 mph -------- 5900 rpm
4th: 1.21 -------- 147 mph -------- 6400 rpm
5th: 1.00 -------- 173 mph -------- 6800 rpm
6th: 0.85 -------- 203 mph -------- 6800 rpm

997 GT3
R&P: 3.44:1
Stock Michelin Pilot Sport 2 305/30R19 (26.3" tall). 5th and 6th gear redline at 8,200rpm

Gear Ratio -------- Max Seed -------- RPM on upshift
=======================================
1st: 3.82 -------- 50 mph --------
2nd: 2.26 -------- 85 mph -------- 5000 rpm
3rd: 1.64 -------- 116 mph -------- 6100 rpm
4th: 1.29 -------- 148 mph -------- 6600 rpm
5th: 1.06 -------- 176 mph -------- 6900 rpm
6th: 0.92 -------- 203 mph -------- 7100 rpm

997 GT3
R&P: 4.00:1 (GT3 Cup/RSR ring and pinion)
Hoosier R6 335/30R18 (25.6" tall). 5th and 6th gear redline at 8,200rpm

Gear Ratio -------- Max Seed -------- RPM on upshift
=======================================
1st: 3.82 -------- 42 mph --------
2nd: 2.26 -------- 71 mph -------- 5000 rpm
3rd: 1.64 -------- 98 mph -------- 6100 rpm
4th: 1.29 -------- 124 mph -------- 6600 rpm
5th: 1.06 -------- 151 mph -------- 6900 rpm
6th: 0.92 -------- 174 mph -------- 7100 rpm

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