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Old 03-14-2011, 04:11 PM
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Default Re: aligment specs

http://www.ozebiz.com.au/racetech/theory/align.html
Old 03-14-2011, 05:24 PM
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Default Re: aligment specs

Originally Posted by daboogy
how does positive caster help?
the further you can get the lower ball joint out (positive caster) the faster you go, it will "drive the wheel straighter"

you know when you come out of a turn and let the wheel go and it straightens itself out? that comesfrom positive caster.

my car liked to turn left for some ungldly reason.

set the toe to stock, ride height with me in the car, and put as much positive caster as i could get, and she tracks nice and straight now.
Old 03-14-2011, 07:09 PM
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Default Re: aligment specs

Only problem ive seen with pulling the arms forward with the traction bars to get more caster\ lengthen the wheel base is it binds the suspension up some but hey if it works for you. There is more than one way to skin a cat. I think everyone has there tricks to making it go straight
Old 03-14-2011, 08:56 PM
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Default Re: aligment specs

I just set mine today. Well see how it goes next month. We just tried to keep the traction bar pulling the wheel forward (positive caster) but for some reason, regardless of how we adjusted the caster, the machine wouldnt show it. So I tried to eyeball them even, and locked it there. The camber we set to -.5*, then lifted the front to zero. From there, we set the toe to zero with it lifted. When we set it back down, it showed -.5* camber, and -.12* toe, with me in the car. The rear we just tried to get it in spec, and called it good.
Old 03-14-2011, 10:17 PM
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Default Re: aligment specs

So it is going toe out when it lifts... thats what i thought... can u get me on this rack curtis? Ill pay whatever i just need a guy that understands what we are trying to do and will spend the time it takes... the guys up my way are all **** kicking hill billys
Old 03-14-2011, 10:21 PM
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Default Re: aligment specs

Naw, it toes in when it lifts. So you set it toed out, so when it lifts it toes in to zero.

And yea, I think he only works Mondays, and usually like after 5. But its a cool little low key shop in the sticks. We messed with it for a good 2 hours or more. But hes all the way in Elizabeth. Send me a text or something, and Ill get you in touch with him.
Old 03-14-2011, 10:36 PM
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Default Re: aligment specs

Maybe im reading wrong but didnt u say it toes at 0* at lift and -.12* when sitting? Im down for the drive i really dont care.
Old 03-15-2011, 12:10 AM
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Default Re: aligment specs

Yea, -.12 was toed out, with the front of the tires pointing out. Positive is pointing in.

Ill see him tomorrow, so Ill ask him.
Old 03-15-2011, 01:03 AM
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Default Re: aligment specs

Oh i see... yea hit him up
Old 03-15-2011, 02:35 AM
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Default Re: aligment specs

Were you guys resweeping for caster it isnt a live reading that shoes up like camber and toe will
Old 03-15-2011, 03:21 AM
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Default Re: aligment specs

Great discussion
Old 03-15-2011, 10:20 AM
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Default Re: aligment specs

Originally Posted by E Town DSM
Were you guys resweeping for caster it isnt a live reading that shoes up like camber and toe will
No actually. I had no idea, and neither did he. We'll have to toss it back on the rack sometime soon, and check that out.

Thanks for the heads up!
Old 03-15-2011, 06:05 PM
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Default Re: aligment specs

Originally Posted by E Town DSM
Only problem ive seen with pulling the arms forward with the traction bars to get more caster\ lengthen the wheel base is it binds the suspension up some but hey if it works for you. There is more than one way to skin a cat. I think everyone has there tricks to making it go straight
only went as fat as the full race bars would allow equally. i didnt go any further than that.

and i dont drive it on the street so i couldnt tell you any other effects.
Old 03-15-2011, 06:06 PM
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Default Re: aligment specs

Originally Posted by E Town DSM
Were you guys resweeping for caster it isnt a live reading that shoes up like camber and toe will
my thoughts too....
after caster adjustment, need to re swing the front wheels.
Old 03-15-2011, 06:20 PM
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Default Re: aligment specs

Thanks for the info guys, Dammit I got work to do this weekend.
Old 03-15-2011, 06:23 PM
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Default Re: aligment specs

dont forget to balance the front end with you in the car to get the most out of your launch.
Old 03-15-2011, 10:11 PM
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Default Re: aligment specs

Yea, I talked to him about resweeping the front, and he said he forgot. Well probably throw it back on at a later date. For driving it on the streets, it feels really straight, so Im not too worried.

And yea, we did my alignment with me in the driver's seat. Weird thing about that. Me sitting in the car effected the passenger side more than the driver's side.

Easiest way for me to do it was to sit in the car, see where it was at, and calculate how much I should take or add, to be where I wanted it to be. Then get out, take that amount from it. Like say my camber was -1.0 when I was out, then -1.4 when I was in, and I wanted it to be -0.5 with me in. I took -0.9 (or added 0.9) to it, so it was -0.1 with me out. When I got back in, it was at -0.5.

Then we just used the jack on the rack to raise the front till my camber was zero. Seemed like a fair amount for my car to shift when launched. At that height we zero'd the toe. So when its back down, the toe is slightly out, and when it raises the camber and toe zero at the same point.
Old 03-16-2011, 05:29 AM
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Default Re: aligment specs

Can you guys please explain what you mean with resweeping the front?
Old 03-16-2011, 06:11 AM
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Default Re: aligment specs

Its basically when you set the alignment machine to measure the caster again after you adjust it, to ensure you are getting accurate readings. Usually after a caster adjustment the computer will display readings that deviate slightly from what they actually are.
Old 03-16-2011, 08:30 PM
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Default Re: aligment specs

Originally Posted by theidealone
I just set mine today. Well see how it goes next month. We just tried to keep the traction bar pulling the wheel forward (positive caster) but for some reason, regardless of how we adjusted the caster, the machine wouldnt show it. So I tried to eyeball them even, and locked it there. The camber we set to -.5*, then lifted the front to zero. From there, we set the toe to zero with it lifted. When we set it back down, it showed -.5* camber, and -.12* toe, with me in the car. The rear we just tried to get it in spec, and called it good.
Sounds like it's pulling the radiator support more than the suspension.
Old 03-16-2011, 09:34 PM
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Default Re: aligment specs

I dont get why you would think that. Or how that would be possible. But ok.
Old 03-16-2011, 11:14 PM
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Default Re: aligment specs

Originally Posted by theidealone
I dont get why you would think that. Or how that would be possible. But ok.
Lol right
Old 03-26-2011, 09:15 AM
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Default Re: aligment specs

great thread very enlightening
Old 03-30-2011, 12:10 PM
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Default Re: aligment specs

This helps me a ton!!
Old 03-30-2011, 12:31 PM
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Default Re: aligment specs

good thread. what if I don't have aftermarket traction bar and can't seem to adjust my front casters?


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