Comparison tests Porsche 918 vs McLaren P1 vs LaFerrari


My remarks are about the wind tunnel tests by Sport Auto in general.
The significance of having the air flow under the car as realistic as possible cannot be overestimated. A deviation of just 0.001 bar (0.1% of the stationary air pressure) there corresponds to about 75 kg of vertical force!
BTW moving floor wind tunnels are required even for starting and landing air planes with their wings meters above the ground.
 
Watch "How WIND TUNNELS Work - F1 explained - Sauber F1 …" on YouTube
How WIND TUNNELS Work - F1 explained - Sauber F1 …:
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My remarks are about the wind tunnel tests by Sport Auto in general.
The significance of having the air flow under the car as realistic as possible cannot be overestimated. A deviation of just 0.001 bar (0.1% of the stationary air pressure) there corresponds to about 75 kg of vertical force!
BTW moving floor wind tunnels are required even for starting and landing air planes with their wings meters above the ground.
They're two very different effects. In cars you're looking at Couette flow, where the ground moving backwards relative to the car is helping drag the air under the car, reducing static pressure and increasing downforce. The car needs to be very close to the ground for this, racecar close.

In planes the ground affect increases lift by disrupting wing-tip vortices, which drag the local flow downwards and cause the lift vector to point rearward, hence reducing lift and increasing drag in normal flight at altutude.
 
There's nothing to say that LaFerrari PZCS is the same as P1 PZCS. They were both developed separately and the LaFerrari uses a different variant up front. You can't simply do linear extrapolations with tyres.

The weight of the LaF has already been mentioned. 1675kg with driver and half tank.

Huracan would probably be faster anyway on Vairano because it's more stable and faster flat out.

How does he telemeter the affect of the lap traffic at 1:00 and the end? You also have to be very careful of agendas and bias. There's no way he could have tested extensively enough to determine that figure and the time difference he's claiming is wholly ridiculous. If you remember when Evo tested the 12C at Bedford Autdrome, the old PZero Corsa semi-slicks only gave 1.0s over ordinary PZeros and reviews I've read suggest the Trofeo only gives a marginal advantage over the old PZero Corsa despite wearing out quicker. So what this guy's claim is actually trying to say is that MPSC2s give less grip than ordinary PZeros, hence why it can't be anything but completely false. I mean, seriously, can the Trofeo really give twice the time advantage of the old PZero Corsa semi-slick vs a PZero relative to MPSC2 semi-slicks? It's just not a reasonable claim.

Old PZero Corsa semi-slick:
4d7ccbc3eff4fe60ab4cd3ed08669c4d.webp


Here we have an independent test by a professional tyre reviewer saying that MPSC2 is 2.4s faster than MPSC+ on a 2 minute track. So on Anglesey Coastal I guess that might be 1.5s, so how can Trofeo Rs seriously be 3-3.5s faster than MPSC+? Does that sound reasonable?

http://www.tyrereviews.co.uk/Article/Michelin-Pilot-Sport-Cup-2-Launched.htm

I don't know why you're being argumentative, i'm just trying to have a conversation.

The PZCS's on the Laferrari might be better than the ones on the P1, they might be similar or they might be worse. We don't know for sure, but I don't think its unreasonable to expect them to perform similarly. Bear in mind that both tyres are somewhat bespoke and given the greater track focus of the P1 it would make sense for its PZCS's to be more track focused than those of the Laferrari. Certainly we should expect the Laferrari to be much quicker on track with something like Trofeo's or even MPSC2s on.

I'm aware of the rumoured weight of the Laferrari and the claimed weight. Hence I'm interested in what Ben's figures show.

The problem with the data you provide is that none of it compares the Trofeo R directly to MPSC2s on the same car. Hence there are too many variables to make reasonable conclusions. The fact that the Scud owner posts his telemetry just demonstrates that he is competent driver who actually does track his car. Hence his findings are valid for his car with his driving style. Nobody is suggesting that we would expect the same results across the board hence I don't understand why are you trying to argue this point. Yes he COULD be lying but there is no real reason to the believe that he is, he started the thread asking the opinions of others, then he collected his own data and posted his results. As yet I haven't seen other data where the Trofeo's and the MPSC2s have been compared using the same car and for the purposes of this discussion that is the data I'm interested. I wouldn't expect the 1.5-2.0 second advantage to be replicated in all other cars, but I would expect the Trofeo's to be slightly quicker, especially when new.

My view is that the Speciale would be comfortably faster than the Huracan on the same tyres though that is just conjecture.
 
Not necessarily, the P1 is designed to work on British roads too, hence why it's not fitted with a semi-slick tyre as standard. It's also equipped with narrower tyres than the LaF to improve road manners - 20mm narrower at the front and 30mm narrower at the rear. So I don't think it is necessarily more track-focused. The LaF also uses a very comfort-compromising incline on the seating to lower CoG and reduce vehicle height, specifically for the track.

His findings are hearsay at this stage and until a respected independent body tests the tyres side-by-side that will remain the case. The reason I call BS is simply because the claims are beyond the realms of plausibility given the independent, same day test test of MPSC2s relative to MPSC+s. No tyre can possibly be that much better than an MPSC+, which is already a long way up on most regular sport tyres.

If we go on any old post, the PZCS isn't even as good as old MPSC+s.

http://www.tyrereviews.co.uk/Tyre/Pirelli/PZero-Corsa-System.htm

Excellent track tyre.

90% of the dry grip of the PS Cup, but waay better in the damp, and lasts lots longer

So putting two and two together here. The PZCS is inferior to the old MPSC+ wrt times and the MPSC2 is 2.4 seconds faster than MPSC+ on a 2 minute track, so maybe 1.2-1.5s quicker on a track the length of Anglesey Coastal. But the Trofeo R is only 1.4s faster than the PZCS on Anglesey Coastal, therefore Trofeo Rs are nothing like 2s faster than MPSC2s but are roughly the same.

Backed up elsewhere in an entirely unrelated conversation 7 years ago:

http://www.scoobynet.com/wheels-tyres-and-brakes-13/632493-michelin-pilot-sport-cup-or-pirelli-pzero-corsa-system.html

In summary, both are amazing. The Pilot sport has the edge in raw, sticky, flat out hot driving where the Pirelli apparently works a little better in the wet.

5 years ago on a Porsche forum:

http://www.6speedonline.com/forums/gt3-gt2/192366-michelin-sport-cup-vs-pirelli-corsa-system.html

My GT3 will be here VERY shortly. I have seen that the GT3's come with either of these tires. Seems very random as to which they put on.

I have had my heart set on the Michelins and will likely ask my dealer to do a swap for them if the Pirellis come on the car.

How do these tires compare?"

both are good tires for the car
Used both before and now still on PS CUP

But as a pkg, I prefer the CORSA for the following reasons :
1. More streetable
2. More durable
3. More controllable when pushed to the limit

Got Cups on the GT3 and Pirellis on the RS. I prefer the Pirellis as they are quieter, smoother, have great grip and much better traction in the wet. I haven't driven them enough to compare life expectancy but (with the deeper tread) I suspect they'll win on that score as well.

Clearly the PZCS appears slower than the old MPSC+ but is a more versatile as a street tyre.

It is indeed likely conjecture wrt the Huracan, historically there has never been much between the LP570-4s and the Speciale. AWD is a big advantage on smaller tracks.

In your ferrarilife video, he's driving behind an Renault Clio for about half a minute on the first lap. The lateral g appeared the same on both laps.

It's pretty clear that regardless of where Trofeo R is in relation to MPSC2s, the MPSC2 is way better than the PZCS, to the point where a 'victory' could only be considered if the 918 won by >1.5s.
 
Motor Tend 918 test:

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Not necessarily, the P1 is designed to work on British roads too, hence why it's not fitted with a semi-slick tyre as standard. It's also equipped with narrower tyres than the LaF to improve road manners - 20mm narrower at the front and 30mm narrower at the rear. So I don't think it is necessarily more track-focused. The LaF also uses a very comfort-compromising incline on the seating to lower CoG and reduce vehicle height, specifically for the track.

His findings are hearsay at this stage and until a respected independent body tests the tyres side-by-side that will remain the case. The reason I call BS is simply because the claims are beyond the realms of plausibility given the independent, same day test test of MPSC2s relative to MPSC+s. No tyre can possibly be that much better than an MPSC+, which is already a long way up on most regular sport tyres.

If we go on any old post, the PZCS isn't even as good as old MPSC+s.

http://www.tyrereviews.co.uk/Tyre/Pirelli/PZero-Corsa-System.htm



So putting two and two together here. The PZCS is inferior to the old MPSC+ wrt times and the MPSC2 is 2.4 seconds faster than MPSC+ on a 2 minute track, so maybe 1.2-1.5s quicker on a track the length of Anglesey Coastal. But the Trofeo R is only 1.4s faster than the PZCS on Anglesey Coastal, therefore Trofeo Rs are nothing like 2s faster than MPSC2s but are roughly the same.

Backed up elsewhere in an entirely unrelated conversation 7 years ago:

http://www.scoobynet.com/wheels-tyres-and-brakes-13/632493-michelin-pilot-sport-cup-or-pirelli-pzero-corsa-system.html



5 years ago on a Porsche forum:

http://www.6speedonline.com/forums/gt3-gt2/192366-michelin-sport-cup-vs-pirelli-corsa-system.html







Clearly the PZCS appears slower than the old MPSC+ but is a more versatile as a street tyre.

It is indeed likely conjecture wrt the Huracan, historically there has never been much between the LP570-4s and the Speciale. AWD is a big advantage on smaller tracks.

In your ferrarilife video, he's driving behind an Renault Clio for about half a minute on the first lap. The lateral g appeared the same on both laps.

It's pretty clear that regardless of where Trofeo R is in relation to MPSC2s, the MPSC2 is way better than the PZCS, to the point where a 'victory' could only be considered if the 918 won by >1.5s.


1) Not necessarily, the P1 is designed to work on British roads too, hence why it's not fitted with a semi-slick tyre as standard.

Er we're comparing it with the Laferrari which is also not fitted with a semi slick tyres as standard. If you look back at any of the Chris Goodwin interviews (such as the one with Chris Harris) he states on numerous occasions that the PZCS on the P1 were designed to allow the P1 to perform as it should do on track.

2) It's also equipped with narrower tyres than the LaF to improve road manners - 20mm narrower at the front and 30mm narrower at the rear.

Not sure why the P1 has problems with road manners, the Laferrari certainly doesn't have such problems. It's been universally praised for the quality of it's ride and usability on the road.

3) The LaF also uses a very comfort-compromising incline on the seating to lower CoG and reduce vehicle height, specifically for the track.

Again the comfort of the seating position of the Laferrari has been universally praised, not just by the press but also by a prospective P1 owner on Mclaren life. Not only does it allow for a lower CoG but it also allows the front end of the tub to narrow in and thereby reduce frontal area and drag AND it allows for much better ingress and egress. I believe CAR described the seating position as causing a virtuous engineering circle, much like the seating position on the F1.

4) Random links comparing non relevant tyres.

Until you provide a link comparing Trofeo's to the MPSC2s on the same car then the findings of the scud owner remains a valid data point in the discussion. Of course it doesn't necessarily relate to the 918/P1 debate as their tyres have been optimized for the respective cars (probably negatively so with regard to lap times for the 918). I understand there will be a more track focused tyre for the 918 available next year which sounds like madness if the base tyre really is as similar to the Trofeo as you suggest. In terms of what represents victory then in my personal opinion the fact that the 918 seems to be able to live with the P1 on track is pretty impressive seeing as track performance was lower down on its list of objectives than for the P1. JMO.
 
1) The LaF is fitted with far wider tyres. You will also find Jay Leno commenting on how comfortable the P1 is on the road.

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2) By who?

3) No it hasn't. Everyone says the P1 is better. Inclined = Added neck strain.
http://www.mclarenlife.com/forums/mclaren-p1-f1/21609-car-magazine-p1-vs-laf-11.html#post487674
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4) I'm providing links comparing PZCS to MPSC and MPSC2 to MPSC and we already have a comparison for Trofeo R vs PZCS. Can you not do the maths?

Why so? See links above, the 918 is regarded as the most uncomfortable of the three.
 
1) The LaF is fitted with far wider tyres. You will also find Jay Leno commenting on how comfortable the P1 is on the road.

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2) By who?

3) No it hasn't. Everyone says the P1 is better. Inclined = Added neck strain.
http://www.mclarenlife.com/forums/mclaren-p1-f1/21609-car-magazine-p1-vs-laf-11.html#post487674
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4) I'm providing links comparing PZCS to MPSC and MPSC2 to MPSC and we already have a comparison for Trofeo R vs PZCS. Can you not do the maths?

Why so? See links above, the 918 is regarded as the most uncomfortable of the three.

1) Yes I'm sure the P1 is okay on the road but it is less comfortable than the Laferrari and that is according to everyone who has driven both and commented on the subject. This includes the recent Top Gear and CAR comparisons.

2) See 1)

3) Lol, do you even bother reading the links you provide? MarkNC is the guy posting who has spent time in the cockpit of all 3 hypercars and is awaiting delivery of a stunning P1. Let's see what he had to say.

"I spent some time with a LaFerrari yesterday.

What a car!!! The LaFerrari is an INSANELY COMFORTABLE car!

I was ASTOUNDED how COMFORTABLE the seats and driving position were. After fifteen minutes inside that car I want one so badly.

Plus forget about the idea that Porsche is somehow winning in luxury - they're not. The LaFerrari kicks the crap out of the 918 and P1 in terms of luxury appointments. It's got all the gadgets: backup camera, satellite radio, height/reach adjustable wheel, adjustable pedal box, MOST COMFORTABLE SEAT of the 3, most beautiful use of materials (alcantara and carbon fiber) and this has the built in track package with 2 cameras (cockpit and forward-looking). It's also WAY easier to get in and out of than the 918 or P1. Cutting away some of the roof with the doors (not the first time Ferrari has done this) was genius. McLaren should have done that with the P1.

By comparison the P1 interior feels spartan (more like a race car) and the 918 feels overdone and plasticky (like a 911).

Despite the seats being screwed to the chassis they still felt PERFECTLY SUPPORTIVE and the driving position & outward visibility are miles better than 918 although not quite a good as P1. But the seats are MORE ROAD-CAR COMFORTABLE than P1, although probably less supportive on track, and WAY MORE COMFORTABLE than 918 which is the worst of the three in this department."

So I don't about you but I get the impression that MarkNC found the Laferrari seating position to be pretty comfortable. More comfortable than the other two cars in fact. Of course if you've got some experience sitting in these cars then please feel free to share it with us. In lieu of that, I'll stick with what the professional reviewers and owners have to say about it.

4) Can't I do maths? On this very page you advised me that "You can't do linear extrapolations with tyres". Well I guess you can. When of course it suits your purpose.
 
1) I've just posted a link that proves otherwise.

2) See 1.

3) "Despite the seats being screwed to the chassis they still felt perfectly supportive and the driving position & outward visibility are miles better than 918 although not quite a good as P1."

Motor Tend also commented on inclined seating and neck strain.

4) Look if the PZCS is worse than the MPSC+ and the MPSC2 is way better than the MPSC+ (by 2s), the maths is really simple. 0.2s is a loss.
 
1) I've just posted a link that proves otherwise.

2) See 1.

3) "Despite the seats being screwed to the chassis they still felt perfectly supportive and the driving position & outward visibility are miles better than 918 although not quite a good as P1."

Motor Tend also commented on inclined seating and neck strain.

4) Look if the PZCS is worse than the MPSC+ and the MPSC2 is way better than the MPSC+ (by 2s), the maths is really simple. 0.2s is a loss.

1) Jay Leno hasn't driven a Laferrari so he can only offer an opinion on the P1. Everyone who has driven both cars says the Laferrari is more comfortable.

2) see 1)

3) You missed out all the times Mark said that that the Laferrari is much more comfortable than the P1, which is what we're discussing. Not visibility which is what the P1 excels at. You may also have noticed how much more luxurious the Laferrari is in Mark's view and how more track focused the P1 is. Which you also seem to be denying for some reason.

Nowhere in Carlos Lago's video does he say the Laferrari's driving position causes neck strain. He's talking about the Formula 1 position which is far more severe. You're grossly misrepresenting his comments to support your view, hoping no one will check up.

4) Your posts will start to become relevant when they directly compare Trofeo's to MPSC2s on the same car.
 
There's nothing to say that LaFerrari PZCS is the same as P1 PZCS. They were both developed separately and the LaFerrari uses a different variant up front. You can't simply do linear extrapolations with tyres.

The weight of the LaF has already been mentioned. 1675kg with driver and half tank.

Huracan would probably be faster anyway on Vairano because it's more stable and faster flat out.

How does he telemeter the affect of the lap traffic at 1:00 and the end? You also have to be very careful of agendas and bias. There's no way he could have tested extensively enough to determine that figure and the time difference he's claiming is wholly ridiculous. If you remember when Evo tested the 12C at Bedford Autdrome, the old PZero Corsa semi-slicks only gave 1.0s over ordinary PZeros and reviews I've read suggest the Trofeo only gives a marginal advantage over the old PZero Corsa despite wearing out quicker. So what this guy's claim is actually trying to say is that MPSC2s give less grip than ordinary PZeros, hence why it can't be anything but completely false. I mean, seriously, can the Trofeo really give twice the time advantage of the old PZero Corsa semi-slick vs a PZero relative to MPSC2 semi-slicks? It's just not a reasonable claim.

Old PZero Corsa semi-slick:
4d7ccbc3eff4fe60ab4cd3ed08669c4d.webp


Here we have an independent test by a professional tyre reviewer saying that MPSC2 is 2.4s faster than MPSC+ on a 2 minute track. So on Anglesey Coastal I guess that might be 1.5s, so how can Trofeo Rs seriously be 3-3.5s faster than MPSC+? Does that sound reasonable?

http://www.tyrereviews.co.uk/Article/Michelin-Pilot-Sport-Cup-2-Launched.htm


Oh my god, you are still spamming each car enthusiast forum with and manipulating informations for your propaganda pro-macca
Once again.
The picture you posted is of a Pzero corsa semislick born in 2003 and gone out of production in 2009. It was the ancestor of the Trofeo / Trofeo R, and it have never been a OE tires but just a semislicks for track-days as the toyo proxes R888 or Yokohama A038. It was by far superior to the Pzero corsa System because a real motorsport tires.
The MP4-12C used the new (2010) Pzero corsa system (direzionale in the front and asymmetric on the rear) in the bespoke version marked MC1.
You are really confused and without any knowledge about this argument.
More the gain of a tire in comparison to another depends mainly from the wheel alignment to make tire works correctly. More the tires is stickier and more camber you should have, as Mclaren done on the press P1 coming back in Anglesey.
See MP4-12C Sport auto supertest where the Macca was with over 2 degrees of front camber and totally out of Standard wheel alignment.
The independent test you refer have been driven by Michelin that provided Porsche and tyres.
This is really a ridiculous statement. An independent test means they should buy the tyres in the market not receiving materials from the Michelin.
As I explaned to you in the fastest lap forum the 991 GT3 with MPSC2 did not beat any 997 GT3 4,0 (MPSC+) lap time despite having what you define a +1,2s seconds per minute faster tires
So once again you are simply biased
Luque
 
Not necessarily, the P1 is designed to work on British roads too, hence why it's not fitted with a semi-slick tyre as standard. It's also equipped with narrower tyres than the LaF to improve road manners - 20mm narrower at the front and 30mm narrower at the rear. So I don't think it is necessarily more track-focused. The LaF also uses a very comfort-compromising incline on the seating to lower CoG and reduce vehicle height, specifically for the track.

His findings are hearsay at this stage and until a respected independent body tests the tyres side-by-side that will remain the case. The reason I call BS is simply because the claims are beyond the realms of plausibility given the independent, same day test test of MPSC2s relative to MPSC+s. No tyre can possibly be that much better than an MPSC+, which is already a long way up on most regular sport tyres.

If we go on any old post, the PZCS isn't even as good as old MPSC+s.

http://www.tyrereviews.co.uk/Tyre/Pirelli/PZero-Corsa-System.htm



So putting two and two together here. The PZCS is inferior to the old MPSC+ wrt times and the MPSC2 is 2.4 seconds faster than MPSC+ on a 2 minute track, so maybe 1.2-1.5s quicker on a track the length of Anglesey Coastal. But the Trofeo R is only 1.4s faster than the PZCS on Anglesey Coastal, therefore Trofeo Rs are nothing like 2s faster than MPSC2s but are roughly the same.

Backed up elsewhere in an entirely unrelated conversation 7 years ago:

http://www.scoobynet.com/wheels-tyres-and-brakes-13/632493-michelin-pilot-sport-cup-or-pirelli-pzero-corsa-system.html



5 years ago on a Porsche forum:

http://www.6speedonline.com/forums/gt3-gt2/192366-michelin-sport-cup-vs-pirelli-corsa-system.html







Clearly the PZCS appears slower than the old MPSC+ but is a more versatile as a street tyre.

It is indeed likely conjecture wrt the Huracan, historically there has never been much between the LP570-4s and the Speciale. AWD is a big advantage on smaller tracks.

In your ferrarilife video, he's driving behind an Renault Clio for about half a minute on the first lap. The lateral g appeared the same on both laps.

It's pretty clear that regardless of where Trofeo R is in relation to MPSC2s, the MPSC2 is way better than the PZCS, to the point where a 'victory' could only be considered if the 918 won by >1.5s.

Postsenseless
All these babblings about older tyres just to cover a clear P1 debacle, beaten by a Porsche cabrio without any supporter crew.
The Trofeo R is a motorsport tires. Full stop
It’s enough to see the Balocco lap time chart where Auto magazine test the cars. This is an Alfa Romeo proving ground called ‘the little nurburgring’
http://fastestlaps.com/tracks/balocco.html
Two lambos set the fastest time both with with Pzero Trofeo R and by seconds over Others car equippend with corsa and Sport cup

Sroser / Mycroft / Emu
We have internet too
http://www.6speedonline.com/forums/gt3-gt2-gt/286155-trofeo-r-vs-pilot-sport-cup-vs-r888.html
I know people than run Trofeo and they are faster than all other street R-Comps except Hoosier R6 but are reported to only be about 1-2 seconds off a Hoosier R6.
http://www.planet-9.com/porsche-tires-wheels/73098-best-r-compound-dual-purpose-tire-track-street.html
Guys I know running Trofeo's run several seconds a lap quicker on a 2m20s lap, compared to the Cups, however the lifetime is super short!

Luque
 
Amen. The irony is that the P1 is a great car, there's no need for one guy to be spreading all this nonsensical disinformation.
 
This forum is been spammed for how many pages with garbage about what tyre is fitted to what car and how fast it can do around a track which has not been even verified (LaFerrari and P1). You guys need to move on and discuss something else worthwhile about each car and post something decent like articles and videos. Us average mortals don't just look at the tyres on these cars we check all the other details on them as well!:mad::eek:
 
1) Jay Leno hasn't driven a Laferrari so he can only offer an opinion on the P1. Everyone who has driven both cars says the Laferrari is more comfortable.

2) see 1)

3) You missed out all the times Mark said that that the Laferrari is much more comfortable than the P1, which is what we're discussing. Not visibility which is what the P1 excels at. You may also have noticed how much more luxurious the Laferrari is in Mark's view and how more track focused the P1 is. Which you also seem to be denying for some reason.

Nowhere in Carlos Lago's video does he say the Laferrari's driving position causes neck strain. He's talking about the Formula 1 position which is far more severe. You're grossly misrepresenting his comments to support your view, hoping no one will check up.

4) Your posts will start to become relevant when they directly compare Trofeo's to MPSC2s on the same car.
1) Completely false. Everyone has said the 918 seating is too upright and the LaFerrari is too inclined. Seats that are too inclined will cause neck strain after prolonged driving.

2) See 1).

3) He hasn't driven it for any great length of time. When he does he'll find the 'better driving position' of the P1 has more of an impact on comfort than the seat itself.

4) Here's some simple algebra. If b > a and c = b + (2.4 x 0.6) and d = a + 1.4, then d != c +2.

a = PZCS
b = MPSC+
c = MPSC2
d = Trofeo R
 
Next year TrofeoR 'll avaible on 918, and we'll see...
even so, I cannot understand why Porsche is working on TrofeoR, if they are not extremer than MPSC2.... ;)
 
Oh my god, you are still spamming each car enthusiast forum with and manipulating informations for your propaganda pro-macca
Once again.
The picture you posted is of a Pzero corsa semislick born in 2003 and gone out of production in 2009. It was the ancestor of the Trofeo / Trofeo R, and it have never been a OE tires but just a semislicks for track-days as the toyo proxes R888 or Yokohama A038. It was by far superior to the Pzero corsa System because a real motorsport tires.
That is actually exactly my point even though you've ironically made it argumentatively against me.

The MP4-12C used the new (2010) Pzero corsa system (direzionale in the front and asymmetric on the rear) in the bespoke version marked MC1.
Actually it started out on regular PZeros.


You are really confused and without any knowledge about this argument.
More the gain of a tire in comparison to another depends mainly from the wheel alignment to make tire works correctly. More the tires is stickier and more camber you should have, as Mclaren done on the press P1 coming back in Anglesey.
Trofeo Rs are very camber and temp dependent but your completely unfounded allegations regarding camber change are an outright lie. There is nothing at all suspicious in Trofeo Rs yielding a 1.4s lap time improvement over PZCS with standard camber.

See MP4-12C Sport auto supertest where the Macca was with over 2 degrees of front camber and totally out of Standard wheel alignment.
See Auto Bild Sachsenring test where they removed an entire kerb for all the 911 laps. German magazines are in no place to accuse people of cheating I'm afraid.
http://www.germancarforum.com/threads/the-princes-of-sachsenring-2014-vs-the-king.52286/

The independent test you refer have been driven by Michelin that provided Porsche and tyres.
This is really a ridiculous statement. An independent test means they should buy the tyres in the market not receiving materials from the Michelin.
So it's a conpsiracy and the MPSC2-equipped Speciale just happened to pull more g than the Trofeo R equipped Huracan in the warm 100-0kph braking tests in the Auto Bild test despite 12deg lower temperatures?

As I explaned to you in the fastest lap forum the 991 GT3 with MPSC2 did not beat any 997 GT3 4,0 (MPSC+) lap time despite having what you define a +1,2s seconds per minute faster tires
So once again you are simply biased
Luque
What? Don't know what explanation you refer to but wrong again!
Porsche 911 GT3 RS 4.0 vs Porsche 911 GT3 - FastestLaps.com
 

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