Quote:
Originally Posted by strat61caster
Considering that the S001 is Bridgestone's OE summer tire and includes low rolling resistance in the description I'd be surprised if it was significantly faster than the S-04 that was only tested to be 0.2s faster than Primacy's on a BRZ around Streets of Willow a few years back.
"The Potenza S001 is Bridgestone's Max Performance Summer tire developed as Original Equipment for premium high-performance sports cars, coupes and sedans. The Potenza S001 is designed to combine low rolling resistance efficiency with maximum sports performance in dry and wet conditions. However, like all summer tires, they are not intended to be driven in near freezing temperatures, through snow or on ice."
The S04 has a more aggressive description, same treadwear rating, cheaper.
"The Potenza S-04 Pole Position is Bridgestone's Max Performance Summer tire developed for the drivers of ultra high performance sports cars, coupes and sedans who want to feel the rush of driving their vehicle. Potenza S-04 Pole Position tires are designed to perform in warm, wet and dry conditions. However like all summer tires, they are not intended to be driven in near freezing temperatures, through snow or on ice."
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Yeah might make a significant difference, might not. There are a number of max performance summer tires that have been shown to significantly improve the Twins' laptimes (Pilot Supersport and Potenza RE050A, for example.) There are also MP tires like the Potenza S04PP you mentioned that only gave a minimal improvement.
Given that the Primacy HP's are way off the pace of the best max performance summer tires (not surprising given the Primacy's aren't even classified as "performance" tires to begin with), this question seems destined to be asked in every track test.