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Old 09-21-2012, 08:59 PM   #1
Freddybeans's Avatar
Join Date: Jul 2012
Location: New Jersey
Posts: 94
caster number?

K so I had my alinement check today. I installed 3 inch zone springs with 5100s and jks front trackbar and discos. I now have 4.4 caster. Is this good or right? I understand with adjustable control arms this becomes adjustable. Should that be my next investment?
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Old 09-22-2012, 08:00 AM   #2
Knows a couple things...

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Jerry Bransford's Avatar
Join Date: Nov 2005
Location: Escondido, Calif.
Posts: 40,743
For stock size tires, 7 degrees of caster angle is optimal. As the tire size gets bigger, the optimal caster angle decreases somewhat. Currie has found 4.5-5 degrees to be optimal for 35" tires with 5-6 degrees being about right for 33" tires.

So yours is a tad light but the exact caster angle is not critical. If after you complete a turn your steering has good "return to center" on its own, I wouldn't worry about it. If your steering doesn't return to center as well as you would like it to after a turn, then you may want to invest in either a cam bolt kit for your front lower control arms or adjustable length control arms... either of whch will allow you to adjust your caster angle.
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