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Author Topic:   caster
hobby39
Dirt Maniac

Total posts: 112
posted April 12, 2005 08:43 PM  
Question about using a caster/camber gage. The gage my friend was using the instructions say to turn the wheel 20 degrees out set it to zero then take it 20 degrees in and get your reading. he can never remember if the 20 degrees in means to turn it back 20 degrees so it's sitting back at zero or to turn it back 40 degrees so it's what i would consider 20 degrees in hope i explained that right.

Raceman17
Dirt Maniac

Total posts: 165
posted April 12, 2005 08:48 PM  
After you turn it out 20 Degrees, Zero the gauge and then turn it back in a total of 40 degrees (20 degrees gets you facing straight and 20 more degrees gets you turned in). Have a goodin!
Later

rfb320
Dirt Maniac

Total posts: 150
posted April 14, 2005 06:19 PM  
What is the easy way to do that with out turnplates?

Steve Dupree
Dirt Freak

Total posts: 316
posted April 14, 2005 06:33 PM  
Hey guys cardboard and a little sand will work good. When checking caster turn 20 one way and get reading just move dial to what it says. Then turn it 40 the other way or 20 to the left and read it again then subtract the difference. You can eye the ball joint to help you you want the botton control arm leading on the right wheel like 3 to 5 % and atleast 0 to 1 1/2 on the left positive. That the bottom leading the top by a little. Its not hard be sure to reset tow after you are done. You will change camber at the same time so need to do both together. Shoot for a -4 camber and a + 3 1/2 caster on the right, Then a +1 positive camber and a 1 to 1 1/2 positive on the left caster. Then when you are in the ball park move car back and forth and then set tow. Hope this helps

odb93
Dirt Forum Champ
Total posts: 537
posted April 15, 2005 10:35 AM  
We string the car from rear to front and line it that way. My gauge is not square, it is made so when you have it 20 deg you have a straight line to work from.

The smartest/easiest way is to use tape on the steering wheel so you know you are consistent.

rfb320
Dirt Maniac

Total posts: 150
posted April 15, 2005 06:11 PM  
What are you guys using as a gauge that tells you that you are at 20 deg.?

Raceman17
Dirt Maniac

Total posts: 165
posted April 15, 2005 10:19 PM  
Look in any racing catalog and you will see a caster and camber gauge. They run about 120 bucks. They have a magnetic base that is attached to the face of the wheel hub. Each face of the gauge is machined at a 20 degree so when you turn the wheel in or out, as long as the 20 degree flat is parallar to the side of the car body, you have turned the wheel 20 degrees.

Raceman17
Dirt Maniac

Total posts: 165
posted April 16, 2005 04:34 PM  
quote:
Originally posted by rfb320:
What is the easy way to do that with out turnplates?

I went to walmart and bought two swivel plates for a fishing boat seat (the ones that you mount to a post and then screw your seat to it so it will swivel). Man it works great. I just rooo the car up on it and it turns very freely. If you have larger tires just weld a few plates onto the swivel to get a larger footprint.
Later


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