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Old 08-02-2010, 12:32 PM
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Join Date: Mar 2003
Location: McConnellsburg, PA
Cobra Make, Engine: ERA FIA #2124
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Quote:
Originally Posted by dcdoug View Post
Is it important to add an extra .5 to 1 quart of oil for autocross like some recommend for a full size track (I have a RR pan)? This will be cone style parking lot autocross, not higher speed airport style autocross.

Any other comments on whether higher/lower tire pressure with billboards is the right approach?
Doug:

My thoughts are that you won't want to add any more oil than what's indicated as "full" on your dipstick.. I've been autocrossing for a number of years now and haven't ever heard of anybody adding more oil. ....but on the other hand, you have reminded me to top mine off. LOL..

As for tire pressure, I would increase from your regular street pressures by a couple of pounds cold, and use the sidewall chalk method described above in another post to see how much the tires are rolling over the sidewall, then adjust from there. The key is you want as much of the tire's tread surface to be in contact with the pavement as possible to maximize your adhesion..

- Allen.
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