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      02-14-2021, 12:26 PM   #16078
reborn
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Drives: 2011 E90 M3 ZCP
Join Date: Mar 2011
Location: New York City

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Quote:
Originally Posted by leftfootbr8king View Post
Quote:
Originally Posted by sc_tr0jan_m3 View Post
I haven't driven on them. Does your experience tell me otherwise? I'm always open to sampling more tires!
If an NT01 is a fair baseline for what 100tw is, RR is a fair baseline for what a 40tw tire is. It's a few seconds faster over a 2 min lap than NT01. AO52 is a bad baseline for what 200tw is, and is likely closer to 40tw. It's basically an RR with a little tread, that wears worse, but quite a bit more expensive. It doesn't compute.

People talk about the AO52 being shot after 3 track days. I haven't tried them because there is literally zero reason when the RR exists. They aren't going to be faster. They aren't going to last longer, and they aren't going to cost less.

I can get 4-5 days out of a set of RR's (25ish heat cycles). They are typically their fastest right at the end, and when it's over it's over. I like that lap time curve in a DE tire. Get's faster and faster until it dies, unlike the tires that start fast and decline in grip all the way to the cords.
How does a RE71R fit into this lineup?
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