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Re: Porsche 963
I believe Spyderidol is referring to the car not being 100% Porsche.
It's a Multimatic chassis with Porsche putting the finishing touches. And the hybrid system will be from Williams Advanced Engineering and Bosch.
At least Porsche is the only one using Multimatic, Acura and Alpine will be on Oreca, BMW and Cadillac are on Dallara
I think most of us would have prefer Porsche build their own car and entered in the Hypercar category, but running LHDh is a lot cheaper for Porsche. And Porsche itself isn't actually running the 'factory' team, it will be run by Penske.
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Re: Porsche 963
Thx.
Probably should be on another thread, but just had a crazy experience with my 992 GTS. I was driving very slowly, and had a violent blowout on my right front tire. Car lurched uncontrollably to the right into a small ditch and front bumper damaged. Car has been towed to the shop, I’ll ask the service folks there about what might have punctured the tire. Anybody else have that type of violent blowout and loss of control?
... glad you are ok 
Jan 22, 2023 4:48:59 AM
- Spyderidol
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Re: Porsche 963
- I was actually referring to its rather shabby performance at the Roar before the 24.
Although the Roar is a practice/training session a week before the actual race, it will have a Qualifying session (today).
The 963 has not performed well, and has been roundly beaten in every session (bar 1 which was wet)by the Acura's.
The number 6 Porsche even went as far as to have suspension failure in one session and then have a failing front wheel bearing in the next session. This after more than 32,000Km of testing.
I have been paying attention to the language that is used by Laudenbach during his interviews, and as a Porsche fan it is worrisome to say the least.
He talks about "teams getting used to not dominating". He talks about "not having a peaky car that is fast over one lap but instead focusing on a car that drives well over a long stint".
There is no disputing that a car must be drivable, but above all it needs to be quick. The 919, 962,956, RS Spyder, 917 were all very quick....and also drivable!
I hope that I'm wrong, but I am not at all optimistic on the future success of the 963 . Lets see.
Oh and BTW - I have examined the data and the Porsche's were not even faster than the Acura's over a longer period. Their average lap times are slower. Even if one looks at best sector times and creates the "ideal lap", the Porsches are still slower.
Jan 22, 2023 9:39:47 AM
- Spyderidol
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Re: Porsche 963
For those that want tp follow qualifying:
Qualifying Race - 18:25 to 20:00 UK Time ( +1)
Listen live - : http://imsaradio.com
Live Timing - : http://bit.ly/3kDz7mb
Watch live - : http://IMSA.tv
Jan 22, 2023 4:01:23 PM
- Spyderidol
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Jan 22, 2023 5:06:06 PM
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Whoopsy
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Re: Porsche 963
Spyderidol:- I was actually referring to its rather shabby performance at the Roar before the 24.
Although the Roar is a practice/training session a week before the actual race, it will have a Qualifying session (today).
The 963 has not performed well, and has been roundly beaten in every session (bar 1 which was wet)by the Acura's.
The number 6 Porsche even went as far as to have suspension failure in one session and then have a failing front wheel bearing in the next session. This after more than 32,000Km of testing.
I have been paying attention to the language that is used by Laudenbach during his interviews, and as a Porsche fan it is worrisome to say the least.
He talks about "teams getting used to not dominating". He talks about "not having a peaky car that is fast over one lap but instead focusing on a car that drives well over a long stint".
There is no disputing that a car must be drivable, but above all it needs to be quick. The 919, 962,956, RS Spyder, 917 were all very quick....and also drivable!
I hope that I'm wrong, but I am not at all optimistic on the future success of the 963 . Lets see.
Oh and BTW - I have examined the data and the Porsche's were not even faster than the Acura's over a longer period. Their average lap times are slower. Even if one looks at best sector times and creates the "ideal lap", the Porsches are still slower.
Ah my bad. But after posting then had a look at what's happening at the ROAR I had suspected you meant the performance or lack of from the car.
I read about their setbacks but I remained optimistic as even the 919 wasn't all conquering the first year it came out. There were teething problems.
I am actually more concerned about how the LMDh and the LMh cars gonna be balanced, will the LMDh even be competitive against the LMh cars at Le Mans and WEC races.
Pure performance of the LMDh cars will be from the software tuning. System output is capped at 480-520kW, with 50kW of that from the hybrid system. And everyone is running the exact same Williams hybrid system. Call it nominal 500kW output for the race car. The gas engine is fully capable of make that much by itself, so it is normally running detuned, and the ECU jacked up the power output when they are charging up the battery at the expense of extra fuel burn on the straights. Putting aside aero and cornering abilities, engine tuning and how charging is deployed will be the key differentiator among competitors.
Now if the 963 can run slightly longer stints, while being not much slower, that advantage will add up over the course of a race.
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Jan 22, 2023 6:55:54 PM
- Spyderidol
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Jan 22, 2023 8:00:07 PM
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Procup
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Re: Porsche 963
Don't forget the LMDh perfs are caped by the BoP.
Why should Porsche show they have a fast car if they know they will be penalised for the race ?
The only thing that matters is what car will be the first to hit the checkered flag on sunday...
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Jan 23, 2023 5:33:56 AM
- Spyderidol
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Whoopsy
Re: Porsche 963
OK. Porsche impressed me. They improved immensely over the 3 days.
So comparing pole lap data between the # 60 Acura and the # 7 Porsche is quite surprising.
The #7 Porsche was quicker in S1 and S3 . Their time loss was in S2 . Im trying to confirm the actual sectors on a track map. I think sector 2 includes the bus stop.
Nasr impressed me.
All in all, not as bad as I thought. My bad! (thank God)
Jan 23, 2023 10:42:59 AM
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Pentium
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Re: Porsche 963
Let’s be optimistic about it 
Pre-ordered this in anticipation: https://www.lego.com/en-us/product/porsche-963-76916
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Jan 24, 2023 4:03:30 AM
- Spyderidol
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Jan 24, 2023 5:23:22 AM
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Whoopsy
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Re: Porsche 963
Spyderidol:I'm hoping for the best but planning for the worst.
I just don't see the ACO allowing a LMDh anywhere near the top step of the podium at Le Mans. Once again, I hope I'm thoroughly wrong.
On paper, both classes are 'sort of' equal. Same total system output (500kW) and same weight.
But the LMh cars have free rein on aero and also benefits of AWD. They gonna be monsters out of corners. That's basically where all the gains will be coming from.
LMh cars aren't compulsory to have hybrids systems, so their gas engines can make the whole 500kW and then adjusted down to account for the hybrid output, that's a great advantage on software tuning.
Porsche knew that from reading the rulebook, yet they still chooses to do LMDh, there had to be a reason, outside of cost.
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Jan 24, 2023 6:44:14 AM
- Spyderidol
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Re: Porsche 963
Whoopsy:
Spyderidol:
I'm hoping for the best but planning for the worst.
I just don't see the ACO allowing a LMDh anywhere near the top step of the podium at Le Mans. Once again, I hope I'm thoroughly wrong.
On paper, both classes are 'sort of' equal. Same total system output (500kW) and same weight.
But the LMh cars have free rein on aero and also benefits of AWD. They gonna be monsters out of corners. That's basically where all the gains will be coming from.
LMh cars aren't compulsory to have hybrids systems, so their gas engines can make the whole 500kW and then adjusted down to account for the hybrid output, that's a great advantage on software tuning.
Porsche knew that from reading the rulebook, yet they still chooses to do LMDh, there had to be a reason, outside of cost.
Reason: Sales. Porsche wanted to have a business case to go racing and to sell cars to customers. They wanted them simple
enough to be able to do this.
Jan 25, 2023 4:13:31 AM
- Spyderidol
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Whoopsy
Re: Porsche 963
Whoopsy:Spyderidol:I'm hoping for the best but planning for the worst.
I just don't see the ACO allowing a LMDh anywhere near the top step of the podium at Le Mans. Once again, I hope I'm thoroughly wrong.
On paper, both classes are 'sort of' equal. Same total system output (500kW) and same weight.
But the LMh cars have free rein on aero and also benefits of AWD. They gonna be monsters out of corners. That's basically where all the gains will be coming from.
LMh cars aren't compulsory to have hybrids systems, so their gas engines can make the whole 500kW and then adjusted down to account for the hybrid output, that's a great advantage on software tuning.
Porsche knew that from reading the rulebook, yet they still chooses to do LMDh, there had to be a reason, outside of cost.
Reason: Sales. Porsche wanted to have a business case to go racing and to sell cars to customers. They wanted them simple enough to be able to do this
Jan 25, 2023 12:54:35 PM
- Spyderidol
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Jan 25, 2023 12:55:09 PM
- Spyderidol
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Jan 25, 2023 3:23:52 PM
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Whoopsy
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Re: Porsche 963
Spyderidol:Whoopsy:Spyderidol:I'm hoping for the best but planning for the worst.
I just don't see the ACO allowing a LMDh anywhere near the top step of the podium at Le Mans. Once again, I hope I'm thoroughly wrong.
On paper, both classes are 'sort of' equal. Same total system output (500kW) and same weight.
But the LMh cars have free rein on aero and also benefits of AWD. They gonna be monsters out of corners. That's basically where all the gains will be coming from.
LMh cars aren't compulsory to have hybrids systems, so their gas engines can make the whole 500kW and then adjusted down to account for the hybrid output, that's a great advantage on software tuning.
Porsche knew that from reading the rulebook, yet they still chooses to do LMDh, there had to be a reason, outside of cost.
Reason: Sales. Porsche wanted to have a business case to go racing and to sell cars to customers. They wanted them simple enough to be able to do this
So basically it's just about money first. No about winning. 
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