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With the Avons we tried many temp variants based on input from folks who use them. From 24-34 lbs hot and cold in 2 lb increments. We found the best to be around 32-34 hot. Wear and heat were even, tyres were getting to temp. Temp on the day was variable, with dry a few showers and then a dry track, avg would have been around 25c.
I have fully adjustable bump and re-bound on the shocks, 12 adjustments on rebound and 10 on bump. We also moved these around, but in general came in with rebound around the 8 mark and bump quite soft to allow weight transfer. We also ran with the sway bar tight and loose. So lot's of variables, lots of playing around on the practice day. Of course only one adjustment at a time and using the start data from the previous year. As all of this is specific to my car and it's configuration (and driving style), don't depend on it for your set-up. But that's what we did. For a great street tyre, sure, I would recommend them in a heartbeat. Regards Cameron |
Great stuff Cameron,
Nice to have someone with time on these tires. I have a set with miles from heat cycling only. This summer will try to dial in tyre/suspension. Were the limits of adhesion predictable under any/best adjustment setting? You running a lot of camber? best, Bret. |
I wasn't running any significant camber adjustment. That would help the turn in, which wasn't the biggest problem. It's arguable that the increased turn in performance would have increased the oversteer reaction. As it was the drift was progressive, mostly controllable, but meant backing off and gently squeezing on the power out of the corners, which felt slow. In the two days of track time I only looped once from oversteer.
These are all 'on track' experiences, where the surface is smooth and quite grippy, and tyres are up to temp. I wouldn't like to test the limits on a road that sees dirt, oil and other potential 'slip' hazards. The progressive drift on the track might well convert to a snap reaction on a standard road surface. Cameron |
Thanks again,
Radial vs bias adhesion chart issue I guess....? I have already dialed suspension specs to street/moderate-track settings. Will 4 corner the car in a couple of weeks and then experiment with the remaining fine suspension and pressure adjustments. At least I have some baseline info with with to begin. Good job! |
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