I was on Ferrarichat in the other Italian car sub forum where Dougal from Longstone Tyres was inquiring about how many Pantera's came with the 285/40/15's and 345/35/15's Pirelli P7's. He questioned if there was interest in having them made. I recommended that he should check out this and other Pantera forums. Maybe, he could get Pirelli to start making some tires the correct size again. Check out the the thread if anyone is interested or contact Longstone Tyres. Another poster mentioned about reproducing the 285/50/15's.
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Pirelli already makes them in their Prototype tire plant. But the plant that does such small runs is in Ismir, Turkey and also makes all the F-1 and F-2 tires. Guess which tires get precedence? Pantera dealers order 10 tires from Pirelli and receive 4 maybe 6 months later; sometimes, none, sometimes 2. If they reorder, they may or may not receive any. This has been going on for years. Pantera GT5, GT5-S and upgraded earlier cars plus racers use those sizes as well as the Countache and a few Ferraris. Shortly after '87, DeTomaso and the rest of the world switched to 17" and up wheels.
Funny that this should come up. I wrote to Longstone tyres earlier in the week (independant of seeing anything on Ferrarichat) about what the width really was of their 225/50/15 Pirelli P7s they have for sale on their homepage, saying I was needing a new set of front tyres for my Pantera. It says they are 240mm wide when you look at the specs on their homepage, which seems pretty wide for a 225 wide tyre, see here (https://www.longstonetyres.co.uk/catalog/product/view/id/1873/s/225-50yr15-pirelli-cinturato/category/9137/). But they haven't bothered to write back...
Cheers, Tim.
The last few P-7s I've seen are marked 'P-7 R' which once bumped me into the next class on-track. When I asked, the Tech guy said, "...race tire: (R)". I then showed him that Pirelli marketed that 275-55x 15" tire as a 'rally special' with an extra belt under the tread to prevent tire growth that screws up speedo calibration for T & D Rallies. Several 'oops' and apologies & I was put back into my usual class. Gotta do your homework these days.
I do know that Pirelli made a rally tire in the 285/40/15 size. That tire did not have the same tread design as the P7's made in the 1980's. I think it would be great if they started making the original P7's again. It would be even better if they used improved rubber compounds.
The majority of Pantera owners would profit by a "set" composed of 225/55R15 front and 275/55R15 rear. The tires were the ideal upgrade for Panteras originally equipped with 185/70R15 and 215/70R15 radial tires, or C60 & H60 Arrivas; which is by far the majority of Panteras manufactured. Strange that the front 225/55R15 tire fell out of availability because it was original equipment on 3 series BMWs for many years.

That set of tires had the proper outside diameters (24.74" front & 26.91" rear). The front tires were the ideal width for the 15x7 campy, the rear tires were about an inch too wide, but were rated for 15x8 wheels minimum width.

The other two "sets" of tires the Pantera world needs is 225/50R15 and 285/50R15 for the GTS and Group 3 cars, and the 285/40R15 and 345/35R15 for the wide bodies. The Lamborghini Countach was equipped with 225/50R15 & 345/35R15 tires, so the Lamborghini owners would profit from the availability of those sizes as well.

I would gladly consider Longstone reproductions as long as the tires are available in sets, and are steel belted, speed rated, radial passenger car tires and NOT street legal race tires. I'd gladly help Longstone market them.
quote:
Originally posted by George P:
The majority of Pantera owners would profit by a "set" composed of 225/55R15 front and 275/55R15 rear. The tires were the ideal upgrade for Panteras originally equipped with 185/70R15 and 215/70R15 radial tires, or C60 & H60 Arrivas; which is by far the majority of Panteras manufactured. Strange that the front 225/55R15 tire fell out of availability because it was original equipment on 3 series BMWs for many years.

That set of tires had the proper outside diameters (24.74" front & 26.91" rear). The front tires were the ideal width for the 15x7 campy, the rear tires were about an inch too wide, but were rated for 15x8 wheels minimum width.

The other two "sets" of tires the Pantera world needs is 225/50R15 and 285/50R15 for the GTS and Group 3 cars, and the 285/40R15 and 345/35R15 for the wide bodies. The Lamborghini Countach was equipped with 225/50R15 & 345/35R15 tires, so the Lamborghini owners would profit from the availability of those sizes as well.

I would gladly consider Longstone reproductions as long as the tires are available in sets, and are steel belted, speed rated, radial passenger car tires and NOT street legal race tires. I'd gladly help Longstone market them.


I figured that some Pantera owners might be happy about the potential of this happening. I had contacted both Pirelli and Yokohama awhile back, but only received a courtesy response from Yokohama. One representative from Pirelli sounded interested and would speak to his boss about it, but I never heard back from them.

Now that the Pantera values are going up and the Pantera's are getting some respect, it is nice that some vendors might be willing to address some of our requests.

By the way how many Grp IV and GT5 cars were made?

I know there were somewhere between 168 and 185 GT5-S cars built.
I just saw a post on Ferrarichat from Longstone Tyres. The 285/40/15 P7 are supposed to be remade in the beginning of the new year. On their website they are selling the 345/35/15's. Just thought the wide body owners might be interested. I thought it was great news.
quote:
Originally posted by jimmym:
I just saw a post on Ferrarichat from Longstone Tyres. The 285/40/15 P7 are supposed to be remade in the beginning of the new year. On their website they are selling the 345/35/15's. Just thought the wide body owners might be interested. I thought it was great news.


Its true.

the great news is that the 285/40R15 P7 tyres are now avaialable. I have had a small delivery

Buy them here https://www.longstonetyres.co....li-cinturato/p7.html

There are more to come

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