| [GMCnet] Galvanizing the GMC frame [message #146655] |
Sat, 15 October 2011 22:20  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Steve,
Down here hot dip galvanizers will not galvanize anything that is completely sealed. Whatever you give them must have vent holes in
it large enough to have the gal flow in and out.
We had a bunch of bollards made up for our factory complex to keep trucks from cutting corners; they were 6" OD and about three feet
tall. We drilled a one inch hole in the bottom mounting flange to meet that requirement.
Marc Hogenboom had his whole frame galvanized in the Netherlands. If he's monitoring the Maybe he can shed some light on the
process.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=5490
Regards,
Rob M.
-----Original Message-----
From: Steve Southworth
Electro galvanize will not coat the interior of the enclosed frame. The only galvanize that will get to the interior is hot dip.
Even then care has to be taken by the dipper to do it correctly and not end up with heat distortion and care to get a complete
interior coat. (Ya gotta make sure there are no air pockets.) Fortunately for me the company RayE works for deals with such a
place and, if I decide I want to do that, hopefully they will do a small, one off job.
--
Steve
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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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| Re: [GMCnet] Galvanizing the GMC frame [message #146669 is a reply to message #146666] |
Sun, 16 October 2011 08:48  |
PettyVTX
Messages: 363
Registered: April 2011
Location: Winder Ga.
Karma: 1
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Senior Member |
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I would be glad to pay that but the galv. people say they havent heard that kind of price before. Mabe they just dont want to mess with it.
Ted
| g.winger wrote on Sun, 16 October 2011 08:20 |
When I galvanized my fram they gave me no such requierment. But I looke at the frame and drilled a bunch of 3/8th hole in all low spots so that no matter which way it was hoisted it woul fill and drain. Or no air pockets. Was not going to gal. but whan I went to load it on my small 10" trailer to take to the sand blaster it was wide and didn't tie down well. Wanted to shift. So I flipped it over. A pile of rust dropped out of the rails about 3" across and 1" deep. Thats what made my decision. Can't derust and paint the inside very well. Cost me 175 to blast and 3 bills (300) to gal.,,,,,PL
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Ex Avion now looking for a 23'
Jeep Wrangler Towd
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| Re: [GMCnet] Galvanizing the GMC frame [message #146682 is a reply to message #146669] |
Sun, 16 October 2011 10:06 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Ted, what was the quote?
--johnny
________________________________
From: Ted Petty <PettyVTX@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Sunday, October 16, 2011 9:48 AM
Subject: Re: [GMCnet] Galvanizing the GMC frame
I would be glad to pay that but the galv. people say they havent heard that kind of price before. Mabe they just dont want to mess with it.
Ted
g.winger wrote on Sun, 16 October 2011 08:20
> When I galvanized my fram they gave me no such requierment. But I looke at the frame and drilled a bunch of 3/8th hole in all low spots so that no matter which way it was hoisted it woul fill and drain. Or no air pockets. Was not going to gal. but whan I went to load it on my small 10" trailer to take to the sand blaster it was wide and didn't tie down well. Wanted to shift. So I flipped it over. A pile of rust dropped out of the rails about 3" across and 1" deep. Thats what made my decision. Can't derust and paint the inside very well. Cost me 175 to blast and 3 bills (300) to gal.,,,,,PL
--
75 Avion-----
75 cosworth Vega Toad
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Galvanizing the GMC frame [message #146717 is a reply to message #146666] |
Sun, 16 October 2011 18:17 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Paul,
What was the orientation of the frame when the rust dropped out?
I just read the galvanizing process and they dip the parts in hydrochloric or sulfuric acid to remove rust.
http://www.gtiengr.com/TheGalvanizingProcess.aspx
Regards,
Rob M.
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Paul Leavitt
When I galvanized my fram they gave me no such requierment. But I looke at the frame and drilled a bunch of 3/8th hole in all low
spots so that no matter which way it was hoisted it woul fill and drain. Or no air pockets. Was not going to gal. but whan I went to
load it on my small 10" trailer to take to the sand blaster it was wide and didn't tie down well. Wanted to shift. So I flipped it
over. A pile of rust dropped out of the rails about 3" across and 1" deep. Thats what made my decision. Can't derust and paint the
inside very well. Cost me 175 to blast and 3 bills (300) to gal.,,,,,PL
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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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| Re: [GMCnet] Galvanizing the GMC frame [message #146735 is a reply to message #146732] |
Sun, 16 October 2011 20:58 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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Larry
I understand the cadillac engines run hotter then the 455 olds?
With only 2000 miles on my 455 rebuild my front seal started leaking badly. I did some research and found the stock automotive
type seal is designed for only 250 degrees.Anywhere I go from here I need to climb over a mountian usually pulling my Toyota.
I checked the engine pan temperature and it does go to 250 or a little more. I found C&R makes an identical seal for the 455 that is rated at 350 degrees. I installed one of those and an extra oil cooler. I don't know if the Olds and Cad. use the same seal but it sure stopped my front seal leak.
Roy
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: [GMCnet] Galvanizing the GMC frame [message #146812 is a reply to message #146732] |
Mon, 17 October 2011 13:08 |
Erv Troyer
Messages: 125
Registered: February 2004
Location: Lagrange, IN
Karma: 0
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Senior Member |
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| Larry wrote on Sun, 16 October 2011 20:12 |
All you really need for rust prevention/anticorrosion is an oil leak or two. Keeps the frame and most parts pretty well coated. I have a minor oil leak from the front seal (probably 1/2 qt every 1500 miles). After three tries to fix it, I gave up and let it do it's secondary job. Seems to work for me....
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Some of you who have been on this Net for years will recall what Lawrence Gaskins of WV did with his GMC. He ran a garage and once a year he would get under the coach and spray everything with used motor oil. He said it was a bit messy working on stuff, but it seeped into everything, including the wood floor, and kept it preserved. Lawrence now has a SOB diesel pusher, and makes his own biodiesel fuel. I wonder if he oils that one too?
Erv Troyer Lagrange, IN
74 Sequoia
reo43@aol.com
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