Has anybody here tried Silverstone FTZ Type RR?
How is it compared to AD07 & S575
im not sure how they compare, but i think i can assume some things.
the FTZ RR needs a high working temperature. when its cold, its slippery. warming up this tyre is essential. and if im not mistaken is this the tyres slated for the MME endurance this year? in terms of durability, it may be equal or even outlast the AD07
the AD07 being a street radial, will work from cold. it is a very grippy tyre and many have found them to be friendly at the limit too. however, for a street tyre it seems to wear off pretty fast :p. i do not know if these tyres will overheat and lose its composure if you start lapping it really hard. but genting runs are not a problem at all. its sidewall is softer than the slicks, so will need comparatively higher pressures.
the S575 is also a fairly low to medium temp tyre. it needs to grip from cold cause its a rally tyre. grip is fairly good, but the slots in the tyre decrease the total contact patch. why is this? im not sure. but nearly all tarmac slicks are like that. the best part abt the tarmac slick is its construction. a very stiff tyre wall makes the handling at the limit abit more predictable, lets you run lower pressure so as not to balloon the tyre, and the square section allows max contact patch. however this tyre wont last 5 laps of hard driving at SIC. it;ll just melt. and ive seen that happen.
my 2 cents, with many assumptions.
How is it compared to AD07 & S575
im not sure how they compare, but i think i can assume some things.
the FTZ RR needs a high working temperature. when its cold, its slippery. warming up this tyre is essential. and if im not mistaken is this the tyres slated for the MME endurance this year? in terms of durability, it may be equal or even outlast the AD07
the AD07 being a street radial, will work from cold. it is a very grippy tyre and many have found them to be friendly at the limit too. however, for a street tyre it seems to wear off pretty fast :p. i do not know if these tyres will overheat and lose its composure if you start lapping it really hard. but genting runs are not a problem at all. its sidewall is softer than the slicks, so will need comparatively higher pressures.
the S575 is also a fairly low to medium temp tyre. it needs to grip from cold cause its a rally tyre. grip is fairly good, but the slots in the tyre decrease the total contact patch. why is this? im not sure. but nearly all tarmac slicks are like that. the best part abt the tarmac slick is its construction. a very stiff tyre wall makes the handling at the limit abit more predictable, lets you run lower pressure so as not to balloon the tyre, and the square section allows max contact patch. however this tyre wont last 5 laps of hard driving at SIC. it;ll just melt. and ive seen that happen.
my 2 cents, with many assumptions.