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Old 03-24-2021, 12:10 PM   #15
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4-5 hours for thread to be gone, around an hour or so before cords on the A052 for me. Spaced out in several 10-20minutes sessions. In case more people are wondering about the longevity of these. Fastest tire I've tried so far (have not done Hoosiers or similar, but just about anything else in the 100-200TW game). Really keen to see how the CR1 will stack up
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Old 03-24-2021, 12:14 PM   #16
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Either of those tires are not durable enough for any longevity questions. An A052 set I had with some Solo Nats runs on them lasted ~4 hours before total the tire had no tread left.

If you want a fast 200tw tire, it will not be durable.

Both are not suitable for full wet conditions, PS4S or ECS
I ran A052s on the Cayman, just want to know if CR-1 is longer- or shorter-lived, and whether it loses more or less performance over its life.

A052s are *fantastic* in the wet. My first event on them was in the pouring rain at Mont Tremblant, was 2nd quickest in the wettest session.

Raises the question: How do CR-1s do in the wet?
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Old 03-24-2021, 12:55 PM   #17
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I ran A052s on the Cayman, just want to know if CR-1 is longer- or shorter-lived, and whether it loses more or less performance over its life.

A052s are *fantastic* in the wet. My first event on them was in the pouring rain at Mont Tremblant, was 2nd quickest in the wettest session.

Raises the question: How do CR-1s do in the wet?
Initial reports are suspect and seem to claim they want to heat cycle out before getting through the thread. With that being said, every car setup is completely different so if you want to know the only way would be for you to do back to back testing. Which if you're in time trials and dedicated enough you'd already be doing. Hate to say it, but no other report is going to satisfy you besides your own testing.

Also, A052s are *okay* in the wet. If you've never been on PS4S in a full wet condition you're opinion is skewed. Wet sessions are weird, because like anything driver skill is always impacted. Once again, back to back testing you'd laugh at even considering A052s again for wet work.
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Old 03-24-2021, 01:09 PM   #18
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Tires have tread
Your bedsheets are made of thread
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ineedyourdiddly
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Old 03-24-2021, 01:18 PM   #19
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Initial reports are suspect and seem to claim they want to heat cycle out before getting through the thread. With that being said, every car setup is completely different so if you want to know the only way would be for you to do back to back testing. Which if you're in time trials and dedicated enough you'd already be doing. Hate to say it, but no other report is going to satisfy you besides your own testing.
Just tryna harvest what info is out there before spending $$$ on tires, that's all. I am considering buying both as I'll need at least 2 sets of tires this year anyway.

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Also, A052s are *okay* in the wet. If you've never been on PS4S in a full wet condition you're opinion is skewed. Wet sessions are weird, because like anything driver skill is always impacted. Once again, back to back testing you'd laugh at even considering A052s again for wet work.
I've driven on a very wide variety of tires over a number of years, including ECS last year on non-TT days. A052s are amazeballs in the wet, at least when newish. For standing water, yeah, I'd want more/larger water channels but in the wet on tracks with good drainage, I would not bet against newish A052 vs. PS4S or ECS...
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Old 03-24-2021, 01:18 PM   #20
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Tires have tread
Your bedsheets are made of thread
Appreciate all the useful information you have to offer.
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Old 03-24-2021, 03:03 PM   #21
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Either of those tires are not durable enough for any longevity questions. An A052 set I had with some Solo Nats runs on them lasted ~4 hours before total the tire had no tread left.

If you want a fast 200tw tire, it will not be durable.

Both are not suitable for full wet conditions, PS4S or ECS
It's largely dependent on the driver and what exactly they're trying to accomplish.

If you're going 10/10ths for 5 laps straight, you're probably going to have a bad time. If you/re doing singular hot laps attempting records and cooling the tire, you'll do great.

Nobody is going to win anything going 10/10ths for 10 minutes straight, or even 30 minutes straight. That's just terrible race strategy.
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Old 03-24-2021, 03:04 PM   #22
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4-5 hours for thread to be gone, around an hour or so before cords on the A052 for me. Spaced out in several 10-20minutes sessions. In case more people are wondering about the longevity of these. Fastest tire I've tried so far (have not done Hoosiers or similar, but just about anything else in the 100-200TW game). Really keen to see how the CR1 will stack up
Try a different strategy of hot cold hot cold,. rather than full sessions.

The question here is, what is the objective, quality laps, or lots of laps?
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Old 03-24-2021, 05:40 PM   #23
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Try a different strategy of hot cold hot cold,. rather than full sessions.

The question here is, what is the objective, quality laps, or lots of laps?
Oh those were mostly qualy style laps. I did give the tire time to cooldown after 1 or 2 laps (max) of full agression, I dont know if it helps, but it should have since you are suggesting it. I still count the time driven on the track while cooling down as use tho. I think I could maybe get a bit more out of them but one of the days was at Calabogie Motorsports Park (CMP) which is notorius for having a rough asphalt and the temps were in the 95 to 105F. I think that day I took like half of their usable life out of them in a little under 2 hours. For the grip they offer I still dont think they are too expensive of a tire, certainly worth for AX and time trials for sure (if class needs 200TW tires).
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Old 03-26-2021, 09:41 AM   #24
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It's largely dependent on the driver and what exactly they're trying to accomplish.

If you're going 10/10ths for 5 laps straight, you're probably going to have a bad time
This applies to autox and the number of runs you get out of a tire too.

The BRZ is a lighter chassis, so when looking at data from heavier cars or even ones that have more body roll, wear will vary.

I know guys running things like the Focus RS or WRX/STI that cord RE-71R's at 100-125 runs. The guys drive hard and some overdrive the car.

I drive smoother and get 200 runs out of a set of RE's, both on my WRX and BRZ.

Just ordered a set of A052's and I'm hoping to get 150+ runs out of them. No track time though.
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Old 03-26-2021, 12:17 PM   #25
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This applies to autox and the number of runs you get out of a tire too.

The BRZ is a lighter chassis, so when looking at data from heavier cars or even ones that have more body roll, wear will vary.

I know guys running things like the Focus RS or WRX/STI that cord RE-71R's at 100-125 runs. The guys drive hard and some overdrive the car.

I drive smoother and get 200 runs out of a set of RE's, both on my WRX and BRZ.

Just ordered a set of A052's and I'm hoping to get 150+ runs out of them. No track time though.

Just because you can get so many runs doesn’t mean they’re always the fastest and at their prime.

I sold my RivalS at 70 runs, always. They still have half tread, but pace starts to drop off.

Heat cycle is a thing


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Old 03-26-2021, 02:37 PM   #26
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Just because you can get so many runs doesn’t mean they’re always the fastest and at their prime.

I sold my RivalS at 70 runs, always. They still have half tread, but pace starts to drop off.

Heat cycle is a thing

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100% true.

RE's always fell off at 125 runs for me. Post 150, they're bad.

We had a guy at our test and tune run used Yoks on his CAM-C car. Stored them in an unheated garage and they had near zero tread left. He could have ended up winning PAX if it was a real event. Good driver, but we had other national winning drivers there too.

The Yoks look like they might be good to end of tread and not heat cycle out much at all. If you can get even 125-150 runs out of them and have those be good runs, that's more cost efficient than running BFGs or REs to 75-100 and dumping them.
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Old 03-27-2021, 11:49 AM   #27
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@ZDan: How much do they cost the A052s over there?
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Old 03-28-2021, 11:16 AM   #28
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@ZDan: How much do they cost the A052s over there?
$850 shipped for set of 245/40-17
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