Quote:
Originally Posted by Vigilante375
Both are legal road course street tires then, yes?
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Do you have much track experience on the 3R? It's an R (race) compound tire and the Supercar 3 is not an R compound tire, the compound rating is the key distinction--the SC3 tread depth and pattern, that helps with water and tire life, is the other distinction.
The 3R is currently the best DOT track tire in the world IMO, I have 3 sets in my garage with various levels of usage from new to nearly done (and also a set of A7 and Pirelli DH). In 5 years I've purchased 15-20 sets of 3Rs, never SC3 because they are not R comp and therefore not good enough for advanced track use and lap times.
But I would consider SC 3 for spirited street use and rainy days at the track--I prefer PS4S for street.
The unique strength for the SC3 is that it can handle real track heat without crumbling, other similar high performance street tires like PS4S do not hold up under repeated track heat cycles like the SC3.
3R have set lap records/near records at tracks I frequent in CA, usually mounted to a McLaren 720 or a GT3 RS. Many skilled McLaren and GT3 drivers say 3R are the preferred DOT track tire--non DOT I love the Pirelli DH. The point is these are pure track tires, and SC 3 are not.
SC 3 were designed for some track use but mostly for spirited driving on canyons, curves or backroads at street legal speeds, where the driver can't achieve the accel/turning/braking forces to make super-heated R comp tires like the 3R, R7 or DH literally melt and stick.