castor
#1
Drifting
Thread Starter
castor
I'm measuring 9.5 driver side 10.7 passenger side but the car tracks straight and doesn't seem to pull under braking. Should I bother to even each side out?
Is this possible without unstable handling or are my measurements off?
Chris
Is this possible without unstable handling or are my measurements off?
Chris
#2
Race Director
The trouble with making caster equal is you usually give up some negative camber (if you run a lot of negative camber) to equal it.
The neg camber is more important.
#3
Drifting
Thread Starter
every thing else is pretty close.
F CAM = -2.4d -2.8p
F CAS = -9.5d -10.7p
TOE = -7/16" out I know its a ton but it felt way better that way
R CAM = -1d -1.2p
TOE +3/16"
Could the ride height be throwing the castor off? My front control arms seem to be pitched up to the outside (wheel)
fender height is 25 1/2"D 25 1/4"P front and 26 5/8" each side rear.
from the ground to the control arm bolt is 5.7/16"D 5.1/8"P and the rear is 6.1/8" to the center of the rear control arm bolt
(I measured to the front LCA bolt in the front and the rear LCA bolt in the rear)
F CAM = -2.4d -2.8p
F CAS = -9.5d -10.7p
TOE = -7/16" out I know its a ton but it felt way better that way
R CAM = -1d -1.2p
TOE +3/16"
Could the ride height be throwing the castor off? My front control arms seem to be pitched up to the outside (wheel)
fender height is 25 1/2"D 25 1/4"P front and 26 5/8" each side rear.
from the ground to the control arm bolt is 5.7/16"D 5.1/8"P and the rear is 6.1/8" to the center of the rear control arm bolt
(I measured to the front LCA bolt in the front and the rear LCA bolt in the rear)
#4
Tech Contributor
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If you want to even it out a little you have enough camber on the right side that you could drop it down to the left side value. You should be able to reduce the camber setting on the rear control arm mount which would also reduce your caster setting and allow you to equalize the camber and caster readings.
Bill
Bill
#5
Drifting
Thread Starter
good point. Ill try that this weekend when I raise the ride height a bit.
Has anyone else been maxed for camber adjustment in the rear at -1.2?
(07'Z51) my passenger side has the #6 "shim" on the pivot bolt and only reads -1.2*
Is my low ride height causing this?
Thanks again
Chris
Has anyone else been maxed for camber adjustment in the rear at -1.2?
(07'Z51) my passenger side has the #6 "shim" on the pivot bolt and only reads -1.2*
Is my low ride height causing this?
Thanks again
Chris
#6
Race Director
I just revisited this & paid more attention to your numbers.
That is a really big difference IMO on the front neg camber.
I play with mine until I am exact (to the 10th) on front and I allow .1 difference on the rear (neg camber) only because my camber kit "blocks" are in .1 deg. increments.
Why is your front off so much driver vs pass?
I would start over before you even worry about caster.
Maybe fixing (equaling) the front will get you closer on caster.
That is a really big difference IMO on the front neg camber.
I play with mine until I am exact (to the 10th) on front and I allow .1 difference on the rear (neg camber) only because my camber kit "blocks" are in .1 deg. increments.
Why is your front off so much driver vs pass?
I would start over before you even worry about caster.
Maybe fixing (equaling) the front will get you closer on caster.
#7
Drifting
Thread Starter
Could be my method of measurement I'm using a level and a ruler then multiplying each 1/8th by .3975. I'm gonna drive then re-measure and adjust if needed.
The first time I forgot driver weight in the seat so that could account for some difference
The first time I forgot driver weight in the seat so that could account for some difference