my autox alignment
#1
my autox alignment
in preparation for the autox season, i finally got around to getting my alignment done last week. top down. no spare. 175lbs in driver seat. here are my specs:
FRONT:
Caster: 5.9 deg ... i got lazy and should have asked for 6.3 deg
Camber: -1.5 deg
Toe: 1/32" out = -0.07 degrees out EACH SIDE
REAR:
Camber: -2.3 deg
Toe: 1/8" in = 0.29 degrees in EACH SIDE
NOTES: (stuff I wished I had known b4 this whole ordeal)
-To get max camber in the rear, set the camber to max first (you might only get -2.0 deg initially), then set/correct the rear toe. You can then get a camber as high as -2.6. Since I drive my car on the street w/ 17s, I had him dial it down. =(
-Everyone lists their settings for toe in inches or cm. My mechanics machine, even though it was the latest and greatest, only used degrees. To convert, I used the following trig formula:
sin angle = opposite / hypotenuse
sin degree = toe / wheel diameter
degree = inverse sin (toe / wheel diameter)
degree = inverse sin (1/8" / 24.87")
degree = 0.29 degree toe in for rears
If I'm incorrect on my derivation for the latter, please correct me. Otherwise, I did immediately notice that w/ my much higher camber and toe out up front, my car follows everything on the road! Oh well, at least drifiting is fun! =)
FRONT:
Caster: 5.9 deg ... i got lazy and should have asked for 6.3 deg
Camber: -1.5 deg
Toe: 1/32" out = -0.07 degrees out EACH SIDE
REAR:
Camber: -2.3 deg
Toe: 1/8" in = 0.29 degrees in EACH SIDE
NOTES: (stuff I wished I had known b4 this whole ordeal)
-To get max camber in the rear, set the camber to max first (you might only get -2.0 deg initially), then set/correct the rear toe. You can then get a camber as high as -2.6. Since I drive my car on the street w/ 17s, I had him dial it down. =(
-Everyone lists their settings for toe in inches or cm. My mechanics machine, even though it was the latest and greatest, only used degrees. To convert, I used the following trig formula:
sin angle = opposite / hypotenuse
sin degree = toe / wheel diameter
degree = inverse sin (toe / wheel diameter)
degree = inverse sin (1/8" / 24.87")
degree = 0.29 degree toe in for rears
If I'm incorrect on my derivation for the latter, please correct me. Otherwise, I did immediately notice that w/ my much higher camber and toe out up front, my car follows everything on the road! Oh well, at least drifiting is fun! =)
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