Thats interesting Jeff. I was hoping my original E-mail would bring out info
like this that you experienced guys have. It sounds like the Pit Stop folks are
covering everything with the larger unit. Is there a marking on the carrier
that would tell me if I have a 50 or a 72? I did a punkin swap from 4:57 to
4:10 so no longer have the original.
Roy
----- Original Message -----
From: Jeffrey Pohlar
To: old-chevy-truck@yahoogroups.com
Sent: Sunday, January 13, 2008 9:57 PM
Subject: [old-chevy-truck] HO rear ends
Let me add to the subject a little of what I think I know and something that
I do know for sure. Since the rear axle we're discussing is a Hotchkiss style
design, I'm assuming that is where the "HO" designation began. I do know that
the 72 designates the 7200 pound load capacity of the rear axle in the 47-54
(and maybe later) one ton trucks. The 3/4 tons had (please correct me if I
wrong here) HO50's designating the 5000 pound load capacity of the rear axle.
The 72's have a "load bolt" that help support the ring gear whereas the 50's do
not.
I recently finished rebuilding a HO72 with 4.57's and have got a butt load of
money in it. The main pinion bearing was almost $400 by itself. That bearing is
a real beauty.
Jeff in Clermont, FL
53 3800 Chev
[Non-text portions of this message have been removed]
[Non-text portions of this message have been removed]
Ole Chevy and GMC trucks rule!
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