<div>What alignment specs are you allowed to use? How much negative camber can you crank in? That should help alleviate the destroyed outside edges.</div>
<div> </div>
<div>Um, less entry speed for less understeer? :P<br><br></div>
<div class="gmail_quote">On Thu, Aug 20, 2009 at 11:22 AM, John A. Heer <span dir="ltr"><<a href="mailto:johnheer@gmail.com">johnheer@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Hi everybody:<br><br>I am in dire straights here. I have run my Mazdaspeed3 for three<br>autocross seasons, participating in maybe 6-8 events each season.<br>
Courses are between 35-50 seconds usually. Each season, I have<br>shredded my race tires before the end of the season. Three seasons -<br>three new sets of expensive race tires. And I have only competed in<br>half to two-thirds of the events each season, not all of them.<br>
<br>My first and second sets were Hoosier A3S05. I did not expect them to<br>last too long, and I was right. But I got them at a huge discount<br>because they were discontinued models. So this year, I went with<br>Hankook z214 C70 based on recommendations from local autocrossers who<br>
said they should last me through at least one season. Well, no dice.<br><br>On the Hankooks, I ran about 15-20 runs at three events. Cool<br>temperatures for most - no 90 degree days or anything; one event was<br>in the wet after a cool rain. I sprayed them down in between runs with<br>
water. I had pressures between 45-50 in front and between 33-37 in<br>rear. No rollover that I could see. I switched fronts to rears and<br>vice-versa between events (and between morning and afternoon at one<br>event). Yet, one of the fronts chunked on the outside edge at the last<br>
event. There is a strip of about one inch of tread at the outside edge<br>which is just GONE.<br><br>The car is aligned to stock specs. No mods at all. Completely stock.<br><br>I have come to the conclusion that the high HP, front wheel drive,<br>
nose-heavy dynamics wreak havoc on tires (no sh*t, Sherlock). So --<br>anyone have suggestions on tires or techniques that will allow me to<br>race a full season without cording the tires?<br><br>John Heer<br>07 Mazdaspeed3<br>
98 SE (R.I.P)<br>93 SE-R (sold)<br>91 SE-R (R.I.P.)<br>+----------------------------------------------------------------------+<br>The mailing list home page is <a href="http://www.se-r-list.org/" target="_blank">http://www.se-r-list.org/</a><br>
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