| Re: [GMCnet] Installing Grease Zerks For Front Wheel Bearings [message #124432 is a reply to message #124386] |
Tue, 03 May 2011 15:23   |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
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Senior Member |
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Paul,
I agree with the math, however, I asked a question that no one could answer
when Stan gave a presentation on the conversion at Patterson.
The distance between the upper and lower ball joint mounting points in the
knuckles goes from 9 inches to 11 inches. The angle at which the upper
control arm rides is higher. The angle between the upper ball joint socket
and the ball and shaft is much closer to the inside edge. Has anyone ever
jacked the suspension up as high as possible and verified that the ball and
shaft of the upper ball joint does not hit the upper ball joint socket?
A secondary question is - how does the changed angle between the upper and
lower control arms affect the coaches steering and handling. I'm looking for
a theoretical not empirical response. I realize if it wasn't acceptable
people wouldn't install it!
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Paul Leavitt
Sent: Tuesday, May 03, 2011 2:12 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Installing Grease Zerks For Front Wheel Bearings
ahamilto,,,if you do the math, replacing with the Hubler conversion is
cheaper(ie. less) than using standard GMC parts. Now we have to compare
apples to apples,not oranges. I'm not going to do the math here because I've
done it before and you can search my old posts. When you have the knuckles
out you really should have the lower control arms reinforced. If you don't
think thats needed, search for Steve Fergusons tech sheet/photos. Going to
need new bushings too, so count those also. When I went to sell my knucles
and hubs, Dave L. knew that they had been bushed,(practically worthless,to
tight)while he was screwing down the press!!(Dave won't rebuild knuckels
that have been bushed,runs up the cost of a standard GMC rebuild) Just my 2
cents worth,,,,,,PL
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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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