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[GMCnet] 1-ton installation - TB [message #153575] Mon, 19 December 2011 17:04 Go to previous message
Ken Henderson is currently offline  Ken Henderson   United States
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
Senior Member
I've changed the subject to start a new thread since the old "1-ton
instatllation" was becoming too long, IMHO.

There must be something I've missed during all of these discussions,
because what I THINK I know now seems to lead to a simple solution to the
Torsion Bar problem, both for the 1-ton suspension upgrade and for
un-modified GMC's..

From the table below, it appears that the Chevrolet/GMC truck Torsion Bars
(TB's) should fit right into our A-arm sockets and our pork chops, with
just one minor problem: They're only 54" long and ours are 58-1/4" long.
But the Chevy TB's are available in a wide variety of torque ratings, are
readily available all over the country, and are, probably, still being
produced. The wonderful fact is that it apparently requires only the
drilling of 6 each 3/8" holes in the web of the GMC's chassis side rails to
allow us to fit the Chevy torsion bars!
http://www.gmfullsize.com/tech/torsion401.html

Now before I go into the simple details of that modification, someone
please tell me why Bill Hubler, to utilize Chevy torsion bars, welded in a
new socket -- I thought it was because those TB's had bigger hexes but
that's apparently not the case.

Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI+ & EBL
www.gmcwipersetc.com
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
 
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