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Old 07-16-2012, 03:37 PM
capemorgan
 
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Adjusting caster

Hello: I am a new guy on this forum, and need a little help. What is the best, and safest way, to adjust the caster on my vehicle. The set-up is a solid dropped front axle, spring over, with an adjustable 4 bar. The steering is a Mustang box with a fore and aft drag link. There is no Panhard bar. Right now, with the car on the ground, I have 2.5 degrees of positive caster. I believe that I should be shooting for 6-8 degrees positive. It may be very obvious, but it seems to me, that with the axle supported on jackstands, if I disconnect the 4 bar to adjust it, it would not be very stable. I do not have a lift. Please set me straight on this procedure. Any and all ideas will be very helpful!
Thanks in advance!

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Old 07-18-2012, 08:46 AM
capemorgan
 
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Quote:
Originally Posted by kfmorgan View Post
Hello: I am a new guy on this forum, and need a little help. What is the best, and safest way, to adjust the caster on my vehicle. The set-up is a solid dropped front axle, spring over, with an adjustable 4 bar. The steering is a Mustang box with a fore and aft drag link. There is no Panhard bar. Right now, with the car on the ground, I have 2.5 degrees of positive caster. I believe that I should be shooting for 6-8 degrees positive. It may be very obvious, but it seems to me, that with the axle supported on jackstands, if I disconnect the 4 bar to adjust it, it would not be very stable. I do not have a lift. Please set me straight on this procedure. Any and all ideas will be very helpful!
Thanks in advance!
I was hoping that someone out there has done this. I know HOW to adjust it, I just want to know if it is safe to do it with jackstands supporting the axle and the front end of the car. ANY reply or suggestion would be helpful. I just don't want to cause myself any grief while under the car. Thanks again for ANY input.
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Old 07-18-2012, 11:08 AM
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jack stands

I would support the car on jackstands, with wheels just off the ground, AND I have a tree stump, MY BUDDY, I take under the car with me, You can use a jack to put a lift on the front axle if need to to remove preload and adjust the 4 bars. Not seeing your front suspension we don't know if the spring-axle could rotate when the bolts are removed on the 4 bar ends. dropping the frame on you.
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Old 07-18-2012, 06:23 PM
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I would support the car BY THE FRAME with or without the front tires on the ground. I usually just take it up high enough to take the weight of the car off the axle and then remove bolts / make adjustments as necessary. This way you can vary the height with jacks to possibly help line up bolt holes after adjustment, and the axle won't fall out of the car while it is unbolted. Make your adjustment, snug everything down, take it off the jacks, and then measure again. Repeat until you get it where you want it.
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Old 07-19-2012, 11:22 AM
capemorgan
 
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Quote:
Originally Posted by cucumber1949 View Post
I would support the car BY THE FRAME with or without the front tires on the ground. I usually just take it up high enough to take the weight of the car off the axle and then remove bolts / make adjustments as necessary. This way you can vary the height with jacks to possibly help line up bolt holes after adjustment, and the axle won't fall out of the car while it is unbolted. Make your adjustment, snug everything down, take it off the jacks, and then measure again. Repeat until you get it where you want it.
Thanks for the input. It looks as though that procedure will keep the car from coming down on me.
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