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Re: [GMCnet] lower steering shaft complete new replacement [message #265558 is a reply to message #265552] Thu, 06 November 2014 15:08 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
Kerry,

Something else popped into my mind. You had noted earlier in this thread:

"The more I learn about GMCs, the more I wonder why the OEM unit is so robust. We go from a standard GM steering column shaft to
this big honking thing back to standard size stuff."

To which I responded:

"Why is the OEM unit so robust - my guess that it wasn't designed for the GMC and is used in other applications."

I've thought of another reason:

It was designed to be able to take the torque required to steer a GMC if you loose power steering?

Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426



-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Kerry Pinkerton
Sent: Friday, November 07, 2014 6:04 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] lower steering shaft complete new replacement

Karen, one thing that popped into my mind regarding the pinch joint units. These will only go onto the male splines in ONE
position. Once there, the
DD shaft orientation is locked down by the other end of the upper U-joint. Same as the upper end of the lower U-joint. That means
the splines and
groves on the steering box HAVE to go where the U-joint requires them to be because of the groove.

I have no idea if the grooves and splines on the steering column and steering box are parallel. My concern with this is that it may
be more difficult
to center the steering box. Now if you only did the TOP, you'd be sure it wouldn't fall out and the lower could be the set screw
type. Even if they
got loose, it wouldn't come off.

Just a thought.
--
Kerry Pinkerton

North Alabama, near Huntsville,

77 Eleganza II, "The Lady", 403CI, Manny Brakes, 1 ton, tranny also a 76 Eleganza to be re-bodied as an Art Deco car hauler
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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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