Northloopcup's FKU AG200

Those figures you’re quoting @peter may be optimal according to Michelin for the cup 2’s, but they certainly don’t work for me. The pressures were creeping up to 31psi hot, but I kept taking them back 30psi. Imo, that’s their sweet spot with my driving style.


well, this is what happened with my first set of cup 2's, when i ran them at lower pressures (32 front /30 back - hot).

30370388842_2735fca056_b.jpg

30487274385_bac7806880_b.jpg

so, i'd keep a close watch on those sidewalls. :smile:

michelin asked me to sent them back, so they could take a closer look. later they got back to me and said that i probably ran them at too low a pressure. combined with a bit of 'kerb hopping' that could be the cause of the damage.

since yesterday, i've got that second set under the car. michelin sent them to me under warranty. so i got them for free and i'll wear them out, but never am i going to buy them again. replaced the first set with yoko AD08R's. they lasted longer, had equal amounts of grip, car felt even more stable at the back under heavy braking, didn't come off the rim as the cup 2's and are less expensive as well. the cup 2 is just a tiny bit better when it's damp/wettish.

(i'm on stock engine and stock suspension.)
 
well, this is what happened with my first set of cup 2's, when i ran them at lower pressures (32 front /30 back - hot).

View attachment 126199

View attachment 126200

so, i'd keep a close watch on those sidewalls. :smile:

michelin asked me to sent them back, so they could take a closer look. later they got back to me and said that i probably ran them at too low a pressure. combined with a bit of 'kerb hopping' that could be the cause of the damage.

since yesterday, i've got that second set under the car. michelin sent them to me under warranty. so i got them for free and i'll wear them out, but never am i going to buy them again. replaced the first set with yoko AD08R's. they lasted longer, had equal amounts of grip, car felt even more stable at the back under heavy braking, didn't come off the rim as the cup 2's and are less expensive as well. the cup 2 is just a tiny bit better when it's damp/wettish.

(i'm on stock engine and stock suspension.)
The problem with the pressures Michelin recommend are based on the Megane Rs, so the Clio is never going to heat them up in the same way. From cold pressures to hot I was getting a consistent 3psi increase, which from experience means the tyres are being worked correctly. There was no way I was going to get them up towards 34/36psi going off my pressure measurements after 5-6 laps, then straight back out. This was for a 1hr 30min session as well.

The ambient temperature yesterday was 28 degrees c and the track temp would certainly have been hotter. I’ll try and measure the pressures today as they will be true cold pressures now.

I’m also on stock engine and suspension with the exception of h&r lowering springs.

I can’t help but feel the kerb hopping and a bad batch played a part in your tyres failing.
 
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@peter finally checked the cold tyre pressures today. 23psi front and 25psi rear. Tyres must’ve still been warm from the drive up to the show when I checked them.

cheers mate. i have a trackday planned next monday. going to start with the (hot) pressures provided by michelin. then see how the car behaves and adjust accordingly. just a bit wary to go too low, after my first experience with the tyre.
 
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cheers mate. i have a trackday planned next monday. going to start with the (hot) pressures provided by michelin. then see how the car behaves and adjust accordingly. just a bit wary to go too low, after my first experience with the tyre.
Keep us posted on how you get on mate. Always good to share opinions/notes/experiences.
 
Today, this happened. FKU has been sold and will be residing with someone else. Was gutted to see it go, but having only covered 1200 miles in 2 and 1/2 years of ownership, it had to be done. 59B47FED-EF4E-46B5-AF31-90187E5E1394.jpegCurrently no future plans to replace the 200 as I have a 330d f31 as my daily driver. This car has 255bhp as standard, but mine may have a little more. Lol! It also thinks it has the gearbox found in the alpina version of the same model.

Be seeing you!
 

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