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992 GT3 Was Tested For 3,106 Miles At 186 MPH

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Old 04-08-2021 | 01:22 PM
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Taken from one of the comments in the article. "The banking of the Nardo ring provides a “neutral” speed of 149 mph, essentially like driving in a straight line. The small amount of steering input needed at 186 mph would generate minimal side loading, and the limited number of acceleration phases during the test would also minimize tire wear. Under these conditions (and assuming proper inflation) I’d guess that any Z-rated tire would last for 3,000+ miles."

Partial blame goes to editors. What were the findings after 3,106 miles? Did the engine blow? Why that distance?

Just seems like a useless stat to brag about your local cars and coffee.
Old 04-08-2021 | 02:21 PM
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Originally Posted by alibo70

Partial blame goes to editors. What were the findings after 3,106 miles? Did the engine blow? Why that distance?

Just seems like a useless stat to brag about your local cars and coffee.
Perhaps they just wanted to hit 5000 kilometers
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Old 04-08-2021 | 02:22 PM
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Originally Posted by alibo70
What were the findings after 3,106 miles? Did the engine blow? Why that distance?
They got bored and went home?
Old 04-08-2021 | 02:36 PM
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I would care more about how many hours they held near read line vs miles driven. I think that's more impressive then speed when you consider the immense forces and the much higher chance of component failure when you are approaching 9k rpms. I would feel better about pushing my car to redline every time I accelerated knowing my engine held redline for say 1000 hours straight. Let be honest, the thing sounds like its trying to tear itself a part, albeit in a very German way, the last 1k rpms.
Old 04-08-2021 | 02:51 PM
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Originally Posted by mithiral67
I would care more about how many hours they held near read line vs miles driven. I think that's more impressive then speed when you consider the immense forces and the much higher chance of component failure when you are approaching 9k rpms. I would feel better about pushing my car to redline every time I accelerated knowing my engine held redline for say 1000 hours straight. Let be honest, the thing sounds like its trying to tear itself a part, albeit in a very German way, the last 1k rpms.
FYI 186 mph is less than 8k rpm (~7,750 rpm)
Old 04-08-2021 | 02:54 PM
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Originally Posted by Quadcammer
Porsche is so full of ****. This is all marketing **** and thats about the one thing they do really well. Total joke this company.
Still trolling since the old days in the 997 forum I see.
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Old 04-08-2021 | 03:03 PM
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Originally Posted by alibo70
Partial blame goes to editors. What were the findings after 3,106 miles? Did the engine blow? Why that distance?
After Porsche looked over the data they responded it went "flawlessly"

Good enough for me

Last edited by PTS; 04-08-2021 at 03:49 PM.
Old 04-08-2021 | 03:07 PM
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Originally Posted by GrantG
FYI 186 mph is less than 8k rpm (~7,750 rpm)
Yea, not as high as I hoped, but we are dealing with averages. So odds are it was actually holding a higher constant speed and rpms, but impossible to know unless we had the datalogs. So, again, would like that data more than this number of miles at an average speed.
Old 04-08-2021 | 04:10 PM
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I wonder if this was actually done on a dyno and not under real world conditions.......
Old 04-08-2021 | 04:12 PM
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Originally Posted by subshooter
I wonder if this was actually done on a dyno and not under real world conditions.......
"The test was performed on the oval at Nardo in Italy and the car went through the evaluation 'flawlessly.”'
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Old 04-08-2021 | 04:51 PM
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Originally Posted by mithiral67
Yea, not as high as I hoped, but we are dealing with averages. So odds are it was actually holding a higher constant speed and rpms, but impossible to know unless we had the datalogs. So, again, would like that data more than this number of miles at an average speed.
Takes only a few seconds to accelerate of the many hours of driving. Average speed is very close to 186mph, not including time totally stopped for fuel.
Old 04-08-2021 | 05:48 PM
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Originally Posted by GrantG
Takes only a few seconds to accelerate of the many hours of driving. Average speed is very close to 186mph, not including time totally stopped for fuel.
Yea had to make me go and do math. Assuming 186mph average for 3,106 miles, that's 16.7 hours. Assuming 10 mpg and the 23.7g tank, that's 13 pit stops and 16.7 hours of driving. Assuming the clock paused when the car stopped moving and we don't consider fueling time. From a very fast google search, I found a 991.2 get to 186 mph in 33 seconds and assuming a desire not to hammer the brakes for the sack of tires I am assuming 33 seconds to slow to 0. Getting an average speed is tough so lets say the acceleration/deceleration was exactly the same for an average 93mph for these periods. That totals .24 hours accelerating and deacceleration. Using that, I can calculate the running speed needed to "average" 186 the rest of the time at 187.36. If we did 5miles per gallon and 26 stops, 188.76 mph. So yea, barely matters. Definitely not pushing near readline. All moot, as I think they didn't average that time, they just noted they ran 3,106 at 186 which happens to be 300kph. Being Germans that ignored the stopping time and simply did 5k at the that constant speed and called it quits.
Old 04-08-2021 | 06:52 PM
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Originally Posted by gravedgr
Still trolling since the old days in the 997 forum I see.
not trolling, this is meaningless BS.

I'm sure they did similar testing on the 991.1 GT3 engine, and a bunch of them couldn't like 2 hours on the track without chunking the follower coating.

porsche talks a big game...how often it delivers is highly debatable. See: 718 GT4 rod stop sale/recall
Old 04-08-2021 | 07:27 PM
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Originally Posted by Quadcammer
not trolling, this is meaningless BS.

I'm sure they did similar testing on the 991.1 GT3 engine, and a bunch of them couldn't like 2 hours on the track without chunking the follower coating.

porsche talks a big game...how often it delivers is highly debatable. See: 718 GT4 rod stop sale/recall
What do you drive these days?
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Old 04-09-2021 | 12:09 AM
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Originally Posted by Quadcammer
not trolling, this is meaningless BS.

porsche talks a big game...how often it delivers is highly debatable. See: 718 GT4 rod stop sale/recall
I’m not punch drunk on Porsche Kool Aid but you sound like someone dropped you on the top of a GT3 when you were born and left you there to figure out how to spell “ouch”.

To say that Porsche is full of it because of a recall is like saying gold is worthless because it’s heavy.

All marques have recalls, Mercedes, Audi, McLaren, etc. That in and of itself is not a sign of a bad company. Rather, it’s how a company reacts when there is a problem. And on that front Porsche while not perfect has done pretty good. See 991.1 GT3 recall and 10/100k warranty.
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