What tire pressures, for Falken Azenis 615s |
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What tire pressures, for Falken Azenis 615s |
billd |
Mar 18 2006, 05:11 PM
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#1
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Member Group: Members Posts: 327 Joined: 25-May 05 From: Palo Alto, CA Member No.: 4,145 |
What tire pressures are folks running in 615s for autocross. I've been using 33 front 35 rear hot and am wondering if this is too low. These are 205/50-15s on 5.5 inch Fuchs rims.
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sean_v8_914 |
Mar 20 2006, 01:05 AM
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#2
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Chingon 601 Group: Members Posts: 4,011 Joined: 1-February 05 From: San Diego Member No.: 3,541 |
I will not recomend here but rather report my results. the 215s of olde had a more pliable side wall (per falken rep) and the higher pressures helped the tires from rolling. I painted the edge of the tread and side wall to read side wall deflection under cornering. the wear marks on teh paint confirmed this.
when I bought my 615s, one of the guys at Evans sports Arena store had just come back from the product launch presantation for the new 615 Falken Azinis. he was going off proudly about the improved sidewall stiffness and handed me a Co brochure that confirmed this. Sunday I started the day 7am cold at 26.5 F/R after 4th lap at around 10ish I was 31f 32.5r The rear is a wee loose 1pm after 2 laps, brad measured the center R temp to 150 with the inner/outter aroud 105 and dropped 1 or 1.5 psi front and rear I dropped 1.5 seconds. Brad came bach and measured the read temps again showign the rear center hotter than the inner/outter temp and dropped another 1 psi . I found all kinds of traction worth another 1 .41 seconds. I wish we had used the pyrometer sooner |
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