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Re: [GMCnet] Road Wonder [message #110610 is a reply to message #110609] Sun, 02 January 2011 21:34 Go to previous messageGo to previous message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
Senior Member
Michael,

Here's the spec out of the Maintenance Manual (MM):

Check:
Caster: +1 1/2° to +2 1/2°
Camber: LH = +1/2° to +1°
Camber: RH = +1/4° to 3/4°
Toe: 0 to -1/4" (toe out)

Note: I assume a minus -1/4" toe out is in fact 1/4" toe in, am I correct?

Set:
Caster: +2°
Camber: LH = +3/4°
Camber: RH = +1/2°
Toe: -1/8"

I copied the info below from one of your earlier messages and it appears
that they didn't follow the MM.

LEFT After
Caster +1°
Camber +1/2°
Toe +1/16"

RIGHT After
Caster +1 1/2°
Camber +1/4°
Toe +1/16"

In comparison to the MM spec:

They didn't put in enough caster on either side.

Note: It has been noted here that coaches produced in 1973-1974 seem to have
problems getting as much caster as those manufactured in 1975-1978.

They didn't put in enough camber on either side.
They adjusted the front end with Toe Out!

Now to further confuse you!

HOWEVER, IIRC the general consensus is that the following settings are the
best with the radial tires that are out there now a days.

Caster: as much as you can get with 0 camber
Note: I run 5° but to get that much I had to install a pair of Dave Lenzi's
Offset Upper Control arms.
Camber: 0
Toe: 0

Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion-The Blue StreakTZE365V100428
USA '75 Avion-Double Trouble TZE365V100426

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Michael
Sent: Monday, January 03, 2011 1:45 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Road Wonder

Well I am wondering if the front end alignment I got was done correctly.
--
***"Gettin There"-1973 23' Sequoia-
Michael, Casa Grande, AZ
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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
 
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