Quote:
Originally Posted by Blackcloud
I just upgraded my 2004 base Box to Tire Rack Cup 4 17 inch wheels and a set of Potenza RE-11's with 3 DE days on them. The gentleman i bought them from said he used 30 PSI in the front and 36 PSI in the rear. My question is: Should I run 34/38 or some similar ration for auto-X events.
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Short answer - HELL NO!
That is WAY too much pressure for an AX, but as others have pointed out, you will need to experiment. I run as low as 22/24 lbs up to 26/28 on my Toyo R888's. Keep dropping 2 lbs until you get too much tire roll. Get a Harbor Freight Air tank so you can put more air in if you go too low :-)
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2000 S - Borla Exhaust, TS Cat Deletes, RSS UDP, B&M Short Shift, T96 Steering Wheel, Potenza RE-71R's,
Mantis 2.0L Deep Sump, de-snorkeled, Bilstein PSS9 Coil-Overs, Rennline lug studs, and auto crossed regularly.
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