Excitingly we have received some test tyres for the rerelease of the 345/35R15 Cinturato P7 from PIRELLI. It seemed that the best thing to do was pop down and see Harry Metcalf at Harry’s Garage so that he could test the tyres for us and here is the reply we have had from Harry.
Following on from our conversation on Friday, I managed to do a fair bit more driving in the Countach over the weekend and very pleased to report the new Pirelli Cinturato P7 tyres performed superbly and much above expectation! Key attributes I've noticed with the P7 compared to the Pirelli P-Zero are as follows:
Less tramlining. I used to find my Countach was sensitive to road camber but that's been much reduced, if not eliminated, with the P7.
Better ride. Bit of a surprise and not sure why the ride should have improved. Tyres pressures were set lower on the P7, so maybe that's the reason.
The big surprise for me is at fast road speeds the grip is still there, which I didn't expect to be the case. The even better news is driver feedback is much improved.
They just feel right on the Countach when, previously, the P-Zero needed miles to bed in and even then displayed some negative characteristics, as detailed above. I think the reduced tread depth might be part of why this is the case.
The only possible negative I can think of is the P-Zero is arguably visually more impressive than the P7 but then if an owner cares more about driving dynamics than looks, they will go for the P7 every time.
Thanks again for allowing me to provide feedback and great that Pirelli have obviously worked hard to produce a cracking vintage tyre for Countach and other classic supercar owners.
Lamborghini Countach LP400S Tyres
Q: What tyres did the Lamborghini Countach LP400S fit?
A: When Lamborghini first Launched the Countach simply as an LP400, which is known as the Perisopo Countach, they fitted 14” wheels with 205/50VR14 front and 215/70VR14 Michelin XWX on the rear. Then the following models, series 1,2 and 3 of the Countach LP400S fitted 205/50VR15 front and 345/35R15 Pirelli Cinturato P7 on the rear.
Q: What tyre pressure should a Lamborghini LP400S have?
A: The front tyres of an LP400S should have 37psi and the rears should have 40psi. However the earlier Countach LP400 on 14” wheels wat 36psi in the front and 44psi in the rear.
Countach 5000 QV Tyres
Q: What were the OE tyres for the 5000 QV model of the Lamborghini Countach from 1985 to 1987?
A: The front tyres of the Countach 5000QV were 225/50VR15 Pirelli Cinturato P7, while the rear of the 5000 QV fitted 345/35VR15 Pirelli Cinturato P7
Q: What is the correct tyre pressure for a Lamborghini 5000 QV?
A: The front 225/50VR15 Pirelli Cinturato P7 of the 5000 QV wants 37psi. the rar 345/35VR15 Cinturato P7 on these later 5000 QV Countach want 40 psi.
Lamborghini Countach 25th Anniversary Tyres
Q: What tyres did a 1989 Lamborghini 25th Anniversary Countach fit?
A: It was in 1988 when the 25th anniversary model of the Countach was brought out by Lamborghini, that Pirelli had developed their asymmetric P-Zero Assimetrico. The 25th Anniversary Countach fitted 225/50R15 P-Zero front and 345/35R15 P-0Zero on the rear.
Q: What tyre pressures are suited to a 1990 Lamborghini Countach 25th Anniversary?
A: 38psi front and 41psi rear is our suggested tyre pressure for a Lamborghini Countach 25th Anniversary model fitted with Pirelli P-Zero Assimetrico.