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MaineBus Samba Member
Joined: June 09, 2014 Posts: 5 Location: Kennebunk, Maine
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Posted: Sun Oct 19, 2014 2:42 pm Post subject: I need advice in a bad way |
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So I spent the weekend building my rotisserie for my '67 bus. The front ring of the rotisserie mounts in the typical spot where the front beam attaches. That was no problem - solid as can be. The back however is another story. I was planning to attach to the ends of the rear torsion bar, but until I attached plates and crawled around under there to really look things over, I didn't know just how dire the rust situation is. The frame rails where they pass around the torsion bar are gone. The rest of the rails are fine, but because the previous owner (of 30+ years) had taken the rear wheels off and let the blocks the bus was sitting on sink into the ground, and the belly of the bus sat on the ground for a long time, the frame rails, where they curve up, are gone.
I came up with a Plan B for how to attach the rear ring of my rotisserie, but what has me worried now is that torsion bar. Even though it will be tedious and difficult to rebuild that 3' section of frame rail, it's not impossible. My worry is that I'll rebuild a frame around a junk torsion bar. How will I know if the torsion bar is junk? If it is junk, what can I do? It's probably not exactly an easily replaced item. Has anyone seen this problem before?
Thanks in advance for any advice you may have. I sure need some happy thoughts here.
-Jamie |
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iamdonquixote Samba Member
Joined: January 28, 2003 Posts: 2037 Location: M*ssholia
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Posted: Sun Oct 19, 2014 3:44 pm Post subject: |
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Just thinking out loud here:
* Some people have replaced the whole rear frame area (including torsion) with good one cut from a less rusty bus.
* The torision tube should not have any holes etc, you can remove the leaves ( I think ) and thoroughly inspect the inside of it . To the best of my knowledge the only thing that could be wrong is too weak ( ie. holes, damaged inside ) or bad leaves ( doubtful even on a rotted bus ).
No need for despair yet , just be safe in supporting the bus if you decide to repair the frame rails around the torision tube . I think have noticed (in pictures) some rotiserries also somehow clamp to the roof? |
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olliehank47 Samba Member
Joined: May 04, 2011 Posts: 1198
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Posted: Sun Oct 19, 2014 6:25 pm Post subject: |
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The rear torsion tube contains torsion bars, one for each side. It is extremely important that the bars have absolutely no rust and that the tube interior is clean, rust free, and without holes. Since your bus spent considerable time with the torsion tube on the ground, it should be disassembled and thoroughly inspected. Replacemnt bars are available, if needed. The tube is the key. It might be easier, in the long run, to consider a rear suspension clip if you find the tube to be questionable.
Last edited by olliehank47 on Sun Oct 19, 2014 8:15 pm; edited 1 time in total |
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hitest Samba Member
Joined: September 30, 2008 Posts: 10296 Location: Prime Meridian, ID
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Posted: Sun Oct 19, 2014 6:54 pm Post subject: |
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Unfortunately, the only thing to do is get out your icepick and stab every square inch of tube weld area. Having looked carefully at my fully blasted and primed double cab's underbelly-I was pleased to have such a good report from the dentist. Mine is supported at the torsion tube brackets- with 3 bolts each side. I'd bet the metal there is beefy enough to support the weight of two buses even with a compromised (rusty) welded area. _________________
EverettB wrote: |
I wonder what the nut looks like.
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'62 L390 151, '62 L469 117, '63 L380 113, '64 L87 311, '65 L512 265, '65 L31 SO-42, '66 L360 251, '68 L30k 141, '71 L12 113, '74 ORG 181
FU#5 |
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MaineBus Samba Member
Joined: June 09, 2014 Posts: 5 Location: Kennebunk, Maine
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Posted: Mon Oct 20, 2014 5:53 am Post subject: |
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Thank you for the thoughts so far guys. olliehank47, you mention considering a rear suspension clip. Do you mean cut the rear section out of another bus, or can you buy a reproduction version? The idea of cutting up another splittie doesn't make much sense to me. Of course it would be just as much of a sin to cut up a bay window or Vanagon, but those are about 100 times more plentiful around here. I wonder how similar the rear suspension is in those compared with a Splittie.
-Jamie |
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easy e Samba Member
Joined: May 28, 2008 Posts: 3930 Location: 1 hr north of Santa Barbara
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pyrOman Fire Master
Joined: July 21, 2003 Posts: 12400 Location: Over 2002 posts deleted!
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Posted: Mon Oct 20, 2014 7:28 am Post subject: |
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MaineBus wrote: |
... you mention considering a rear suspension clip. Do you mean cut the rear section out of another bus, or can you buy a reproduction version? The idea of cutting up another splittie doesn't make much sense to me. ... I wonder how similar the rear suspension is in those compared with a Splittie.
-Jamie |
I "retired", oh okay, cut up an otherwise "solid" bus precisely because the chassis was so corroded that it was coming apart. The right side torsion tube was replaced including about a foot forward and another foot rearward of the chassis from it. Had to eventually patch that fix as well as the other side which was also suffering from the same corrsion issue.
Once I got my current bus, upon transferreing the running gear from one to the other, it was determined that the chassis was simply too unsafe to be put back on the road. So the bus was sacrficed in order to save others.
The '67 and early torsion tubes are different than '68 and later. I'm sure there are some rear clips out there to be had. Good luck! _________________ Some people are so busy being clever they don't have time enough to be wise. |
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MaineBus Samba Member
Joined: June 09, 2014 Posts: 5 Location: Kennebunk, Maine
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Posted: Mon Oct 20, 2014 11:04 am Post subject: |
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Thanks guys. Seeing the rear clips for sale is very reassuring. I guess anything is available if you know where to look.
-Jamie |
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