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alignment specs opinions please...

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Old Jul 13, 2005 | 05:14 AM
  #1  
OkeeGuy's Avatar
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Default alignment specs opinions please...

i asked this in tech without many responses so i will ask here...
im not really sure where this question belongs...
(man i hate this split thing) its

my 79 is going in for an alignment thurs mornin and i would like some input from yall about the specs...
i think i remember reading here that there are specs that work better than the ones that will be found in "the book"...
BTW...my car has steeroids...

i did a search here and the best i can come up with is kinda like this...
run as little toe as possible while staying on the negitive side...
max positive caster...
keep camber close to zero...
keep both sides equal...

i also think i remember reading something about the adjustment they use to offset the crown in the road...
something about, you should not do this...???

any help and suggestions are very much appreciated...thanx...

Last edited by OkeeGuy; Jul 13, 2005 at 05:45 AM.
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Old Jul 13, 2005 | 08:11 AM
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Default VBP Link to Alignment Specs

Check this link out, it may be helpful;

http://www.vbandp.com/instructions/h...ruct/align.htm

David
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Old Jul 13, 2005 | 08:59 AM
  #3  
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I agree with what you posted. As little toe as possible but toe in, maximum caster but equal side to side and camber about negative 1/4 degree.
The most important is the same for all specs side to side. NO compensating for road crown.
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Old Jul 13, 2005 | 09:32 AM
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Above is good except I needed -0.5 dgr camber rear and -0.7 dgr camber front (note negative camber) to make the tires wear even.

With stock front suspension you're looking at a max of about 3 dgr caster.
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Old Jul 13, 2005 | 11:40 AM
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i am of the opinion that for general driving purposes the original specs are hard to beat....
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Old Jul 13, 2005 | 11:50 AM
  #6  
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Originally Posted by bobs77vet
i am of the opinion that for general driving purposes the original specs are hard to beat....
You're probably right for those at stock ride height, with stock suspension, and stock wheels/tires.

Unfortunately, there are many of us that have taken automotive suspension/steering engineering into our own hands and we must now deviate from the factory alignment specs.
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Old Jul 13, 2005 | 12:31 PM
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I like zero toe..good tire wear...plus this: most of our highways out here have those longitudinal grooves..with factory toe..1/16 or 1/8 in,my Vette would "wiggle" just a little because of tire width/toe in...since I went to zero toe,the "wiggle" is gone..
...more caster is good for high speed...
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Old Jul 13, 2005 | 03:43 PM
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Originally Posted by bobs77vet
i am of the opinion that for general driving purposes the original specs are hard to beat....
Bob, I have to disagree. Factory specs were designed to induce massive understeer (car goes straight when you turn the wheel). It was a liability issue after Naders "unsafe" book that killed the Corvair. The public was tought that any oversteer was dangerous and the lawyers took it so far as even if you hammer the gas in the middle of a turn the car should not kick the tail out.

The "safe" understeer was accomplished by using positive camber in the front. Besides ruining handling it also makes the tires wear much more along the outside edge.

Changing the front camber back to negative as the engineers intended restores handling and creates even tire wear.
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Old Jul 13, 2005 | 04:05 PM
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Originally Posted by zwede
Above is good except I needed -0.5 dgr camber rear and -0.7 dgr camber front (note negative camber) to make the tires wear even.

With stock front suspension you're looking at a max of about 3 dgr caster.
I don't like the .7 negative camber. Looking at the car sitting still the tires lean in too much. .7 is a far amount and looks funny.
I want slight negative .25
This is my caster camber gage making setting up your own alignment easy
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Old Jul 14, 2005 | 09:51 PM
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well...i had the alignment done this mornin and i am SO pleased...
my has NEVER driven this good since ive owned it !!!

i thought some of you would like to the specs,
so below you will see the print out that they gave me...
as you can see, it was quite a ways off..
the rear was toed OUT...for one thing...

two things to keep in mind while reading the numbers is...
#1...it is all in degrees instead of inches...
even the toe...

and #2...the numbers run in sequenses of .05...
so if one side says .05 and the other says .10...
it isnt neccesarily .05 off...
it could be that one is really .05 and the other .06...
i hope i explained that correctly...

amyway...here are the numbers that worked perfectly on my car...

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Old Jul 14, 2005 | 10:16 PM
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Default

Looks good. Keep an eye on the outer edge of the front tires. If you see more wear there than the rest of the tire you want a little more neg camber.
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