69 B-body alignment specs needed please
#640605
03/14/10 11:30 PM
03/14/10 11:30 PM
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Joined: Apr 2007
Posts: 2,327
Glendale, AZ
69L78Nova
OP
Banned. Forever.
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OP
Banned. Forever.
Joined: Apr 2007
Posts: 2,327
Glendale, AZ
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Does anyone out there have alignment specs for a 69 B-body? I am going rounds with the morons that aligned my Charger. Ive had it back twice and they still refuse to get the caster where it should be. The specs on the printout they gave me shows specs for 66-72 Charger with manual steering, (are they different?) and even those reading are out of whack after they "aligned" it. Im going back Wednesday to raise hell. I want to have all of the ammo I can get when I talk to these rubes. Does anyone have a scan out of a factory service manual that can be posted so I can print it out and take it with me? I need to get this fixed one way or another. It drives like an old dump truck after they messed with it
1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser
1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)
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Re: 69 B-body alignment specs needed please
[Re: 69L78Nova]
#640606
03/14/10 11:33 PM
03/14/10 11:33 PM
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Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
WILD BILL
Senior Member of the Junior Dragster Club
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Senior Member of the Junior Dragster Club
Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
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What are the specs at now for each wheel.
FWIW, I never align there cars to the factory specs 
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Re: 69 B-body alignment specs needed please
[Re: WILD BILL]
#640607
03/14/10 11:38 PM
03/14/10 11:38 PM
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Joined: Apr 2007
Posts: 2,327
Glendale, AZ
69L78Nova
OP
Banned. Forever.
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OP
Banned. Forever.
Joined: Apr 2007
Posts: 2,327
Glendale, AZ
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Left: .7* ---Camber
.9* ---Caster
.14*---Toe
Right: .3* ---Camber
2.1* --Caster
.11* --Toe
It wanders all over the road, and the steering wheel obviously doesnt want to return after completing a turn. The box is a known good box that was pulled out of another car that drove perfectly
1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser
1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)
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Re: 69 B-body alignment specs needed please
[Re: 69L78Nova]
#640608
03/14/10 11:46 PM
03/14/10 11:46 PM
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Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
WILD BILL
Senior Member of the Junior Dragster Club
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Senior Member of the Junior Dragster Club
Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
|
Do you have the off set bushing installed. That might be all the caster they can get with facotry bushings as these cars were spec for negative caster. (Why is anyones guess  )
I don't like positive camber either. I would have gone for 0 to neg .5 deg.
The large difference between the caster #'s is part of the problem as well. I don't like to see more than 1/2 deg difference between the 2 sides be it camber or caster.
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Re: 69 B-body alignment specs needed please
[Re: 69L78Nova]
#640609
03/15/10 01:12 AM
03/15/10 01:12 AM
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Joined: Dec 2003
Posts: 5,314
Carstairs, Alberta, Canada
dave571
master
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master
Joined: Dec 2003
Posts: 5,314
Carstairs, Alberta, Canada
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Quote:
Left: .7* ---Camber
.9* ---Caster
.14*---Toe
Right: .3* ---Camber
2.1* --Caster
.11* --Toe
It wanders all over the road, and the steering wheel obviously doesnt want to return after completing a turn. The box is a known good box that was pulled out of another car that drove perfectly
That caster difference is ridiculous. Even the camber difference is a little too much.
The specs would be something like camber 0 +/- and caster around 1 - 2 or something like that, but those are pretty old school numbers to use.
Ideally, keep that camber around 0, and the caster as high as you can get it. Likely to only be able to get 2 - 3 degrees with stock components
As for difference side to side (which is the problem with your align)
In a perfect world, you would want the camber to be the same on both sides, and the caster to be around .7 less on the drivers side for road crown.
In real life, if the camber's are within .2 of each other, and the caster is .3 to .8 less on the drivers side, that's pretty decent.
How it turns out will vary with each car depending on how much adjustment you can get where you need it.
I had a rack at my own shop for years,a nd still do lots of alignments at the dealership I work at now. There is NO way the caster numbers you posted should have made it out the door. Spread is too high, and that is why you can hardly steer it. Caster is your high speeed stability angle.
As for the question of are the specs different with a manual car... yes. You want less caster on a manual car, as it will be easier to park/low speed manuver. I didn't worry about that with my car, and subsequently, parking it is a workout, BUT it stays straight at the high end of the track no problem. 
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Re: 69 B-body alignment specs needed please
[Re: 1MYTGTX]
#640612
03/15/10 02:38 PM
03/15/10 02:38 PM
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Joined: Aug 2005
Posts: 1,383
Az
69hemibeep
pro stock
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pro stock
Joined: Aug 2005
Posts: 1,383
Az
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Just take it over to Roosevelt Alignment, 2602 W Townley ste 9. He did mine on an old Bear rack, and it drives strait as an arrow even on bias plies. Hes an old mopar guy to boot.
1969 Hemi Roadrunner 2nd owner
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