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Author Topic: Race Setups  (Read 12394 times)
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« Reply #60 on: October 23, 2009, 12:19:26 AM »

WOW! GREAT COMMENTS. I LIKE THE WAX PAPER SCALES. I WILL TRY THIS AND COMPARE TO MY SCALES.
ANSWER TO THE QUESTION:
MY TEAM RACES MANY TRACKS IN A SEASON AND EVERY TRACK REQUIRES DIFFERENT CAMBER ADJUSTMENTS AMONG OTHER THINGS. TIRE TEMPS ARE CRITICAL. IF YOUR CAR IS SQUEALING THE TIRES IN THE CORNER, YOU NEED TO FIX IT. FIRST DETERMINE WHERE IT IS COMING FROM FRONT OR REAR.
FRONT? COULD BE AIR PRESSURE, SWAY BAR, CAMBER, TOE, ACKERMANN, OR BUMP STEER.
ASSUMING YOU START AROUND 20PSI IN THE LEFT FRONT AND 32PSI IN THE RIGHT FRONT.
 START BY MARKING OUTSIDE SIDEWALL WITH CHALK. DRAW A THICK LINE FROM YOUR HOOSIER OR GOODYEAR LETTERS ON THE SIDE WALL TO ABOUT ONE INCH INTO THE TREAD. RUN SOME LAPS AND SEE WHERE THE CHALK HAS WORN OFF BY THE TRACK.
SCENARIO 1;  IF YOU SEE THE SIDEWALL HAS BEEN IN CONTACT WITH THE TRACK, YOU NEED MORE CAMBER OR MORE AIR.  I WOULD LEAN TO MAKING THE CAMBER CHANGE
SCENARIO 2; IF YOU SEE THE CHALK IS STILL REMAINING ON THE TREAD, YOU NEED LESS CAMBER OR LESS AIR IN THAT TIRE. I WOULD LEAN TO CAMBER HERE AS WELL.
TO DETERMINE WEATHER AIR OR CAMBER IS OUT FOR FINE TUNING, YOU WILL NEED YOUR PYROMETER TO LOOK AT TIRE TEMPS.
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« Reply #60 on: October 23, 2009, 12:19:26 AM »

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