Track tire pressure (uneven loading? - pics attached)
12-13-2004, 06:45 PM
#1
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Thread Starter
Join Date: Dec 2002
Location: up in my hizzy
Posts: 30
Car Info: Blue sedan WRX
Track tire pressure
these pics are the rear tires at 35.5 psi cold. it shows that the inner third was picking up marbles and re-attaching them to the tire in a 3mm thick layer all the way around. this indicates that this portion of the tire was not contacting the road? so the tire was overinflated and riding on the center portion only? is this result of my alignment setup? who knows?
Last edited by X-VWGLX; 12-13-2004 at 06:52 PM. Reason: missing word
12-16-2004, 09:46 PM
#5
Registered User
Join Date: Dec 2002
Location: Woodside, CA
Posts: 158
Car Info: 03 Blu WRX, vf 34, headers, catless, gc coilovers, f/r sways
Sounds like your pressure was ok, but as Luke said you need more negative camber. I run 10 -12 track days a year and have -2.6 degrees in front and -1.5 in rear. Yeah it eats the daily driver tires but is great on the track. I also run toyo RA-1's. I start them at baout 35lbs and I feel they handle best at about 40lbs.
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