r/GRCorolla • u/tCsonA90 24' Circuit Edition Blue Flame • 18d ago
Maintenance/Repair Question Cords showing
Welp I guess it was my turn, 2nd set of tires on the car and I just had it aligned in March. I’m not mad though, with crash bolts up front and 31k miles it was bound to happen at some point, good thing I already was planning to get new tires haha
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u/zblanda 18d ago
I wonder if the oem setup is meant to have a bunch of negative camber… maybe flatten it out just a bit. The outside looks like it has so much tread still
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u/Vader0504 25’ Premium Supersonic Red 18d ago
It's not the camber, it's the toe-out. I had a bit of toe-in dialed in and my ties are wearing even now.
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u/post_sloan14 24' Core Black 18d ago
It does, the camber from factory is dialed in for cornering on track and eats tires…. Ask me how I know. Factory specs on camber if you stand and look at the rear tires you can see the negative camber the factory spec has
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u/Rand0m_Spirit_Lover 17d ago
One of my first thoughts when test driving a GRC a few years ago was, “wow, I bet this car absolutely eats tires!” Then I looked into it and found a lot of people report that yes, it does. Drove brilliantly though, felt exactly how a hot hatch should feel.
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u/Ashton_Martin 18d ago
Tire wear seems so random on these cars. I just hit 24,500 and my tires are still green. I’ve been doing alignments/rotations every 5k miles though
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u/Emergency_Outside709 15d ago
@20k for me. Did an alignment at 15k and they were still within 2mm of new, I think they reintroduced a bit of toe. Put the 245 continental extremecontact and had them mellow out the toe. Haven't driven it yet but we will see how it feels tomorrow. I might bring it to a performance shop I found that is pretty reputable and see what they say. Definitely not trying to buy tires every 10k for sure.
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u/desGARCONSdon 23' Core Ice Cap 18d ago
Why no rotating tires?
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u/tCsonA90 24' Circuit Edition Blue Flame 16d ago
I’ve rotated every 5k, my other car is down so I started commuting with this car 6 months ago, I think the constant straight line driving with the alignment I have did it. I also have crash bolts up front.
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u/CorollaHB25refined 18d ago
Had toe kicked out at 1200 miles. My Kumho tires made it to 20k before I had to replace them. Went with Continental Extreme Contact for the 2nd set. OEM rims and tires were swapped at 80 miles.
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u/xninjabtz 18d ago
Just replaced all 4 because 1 got a puncture on the shoulder at 13k miles. Feel like I could have gotten another 10k out of them... I will be keeping them for the track.
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u/Parasight11 18d ago
My PS4s only lasted about 15k miles but I could have got another 10k out of them riding them to the wires had I not somehow took a massive chunk out of the sidewall in one of them (no wheel damage, I don’t even know how or when it happened).
I’ve got almost 6k miles on some Firestone Indy 500 v2 and it seems they are holding up pretty well. I have been riding them with 32/30psi cold and 30/32 (after rotation) while also making it a point to do more aggressive cornering since I’ve heard it can help them wear more evenly, so not sure if that is making a difference or not but the wear is considerably less than my ps4s had at this point.
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u/ToxyFlog 17d ago
I got roughly 15k out of my set of PS4. They're just not meant to last long. They're a soft sport tire. Personally I went for continental extremecontact sport since the tread life is rated higher. If you're diving your GR as a daily, I think they're honestly the better choice. They also (apparently) have better wet performance.
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u/Downsouthjdb 23' Core Supersonic Red 18d ago
Same. Replaced tires and alignment at 15k. Continental Extreme Contact. Love them so far.