Home » Public Forums » GMCnet » Bumper Repair/Restore
| Bumper Repair/Restore [message #63507] |
Sun, 08 November 2009 19:22  |
Rick Williams
Messages: 256
Registered: July 2004
Karma: 0
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Senior Member |
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Good Evening All
It was a beautiful day in the UP today. Sunny and mid 50's. The dogs and I did some ruffed grouse hunting.
I have been thinking about the options for improving my bumpers. They are original chrome and are in good shape except for several small dents in the rear due to the previous owner's careless backing. There is of course some pitting but overall they are not too bad.
But I am considering having them powder coated. My coach and jeep wrangler are the same gold color with black trim. The only chrome on either vehicle are the coach bumpers. Black bumpers would look good.
Has anyone done this? From what I can tell, the best solution is to have a chrome shop strip the chrome and then powder coat. Anything else may not work well. The small dents could be repaired before powder coating.
There were a few coaches made with painted bumpers and if I could find someone who wanted to trade painted for chrome, it might be cheaper to prep a painted bumper for powder coating.
But again, I would like to know if any of you have stripped the chrome and powder coated your bumpers.
I know that there are bumper covers, but I do not want those. Thanks as always for your input.
Rick
Rick Williams
Bliss, Michigan
1978 Eleganza II
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| Re: [GMCnet] Bumper Repair/Restore [message #63541 is a reply to message #63507] |
Mon, 09 November 2009 06:28  |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Rick,
I took my bumpers to a powdercoating place and just paid for the sand
blasting. At that point, they can be filled and smoothed with body
filler just like body panels on a steel car. Powder coating is nearly
forever, and if you have any damage afterwards, removing it is nearly
impossible. Just paint to body color and it will make future repairs
no more difficult than body work. Powder coating is not magic. It
still chips, scratches and is subject to UV fade. Pics attached:
http://www.gmcmhphotos.com/photos/showphoto.php?photo=28178
On Sun, Nov 8, 2009 at 6:22 PM, Rick Williams <rickw@mich.com> wrote:
>
>
> Good Evening All
>
> It was a beautiful day in the UP today. Sunny and mid 50's. The dogs and I did some ruffed grouse hunting.
>
> I have been thinking about the options for improving my bumpers. They are original chrome and are in good shape except for several small dents in the rear due to the previous owner's careless backing. There is of course some pitting but overall they are not too bad.
> But I am considering having them powder coated. My coach and jeep wrangler are the same gold color with black trim. The only chrome on either vehicle are the coach bumpers. Black bumpers would look good.
> Has anyone done this? From what I can tell, the best solution is to have a chrome shop strip the chrome and then powder coat. Anything else may not work well. The small dents could be repaired before powder coating.
> There were a few coaches made with painted bumpers and if I could find someone who wanted to trade painted for chrome, it might be cheaper to prep a painted bumper for powder coating.
> But again, I would like to know if any of you have stripped the chrome and powder coated your bumpers.
> I know that there are bumper covers, but I do not want those. Thanks as always for your input.
>
> Rick
>
> --
> Rick Williams
> Gladstone, Michigan
> 1978 Eleganza II
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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| Re: [GMCnet] Bumper Repair/Restore [message #63543 is a reply to message #63541] |
Mon, 09 November 2009 07:17 |
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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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Steve,
What do you think about chrome colored powder coating?
Hey, that bow tie doesn't look like one off a Chevy?
The LPG tank looks good but I thought the gas struts supposed to be mounted
with the cylinders up?
FYI I mailed the bushing tool, you'll have it in 7-10 days (probably
sooner).
Regards,
Rob Mueller
Sydney, Australia
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 Steven Ferguson
Sent: Monday, 9 November 2009 11:29 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Bumper Repair/Restore
Powder coating is not magic. It still chips, scratches and is subject to UV
fade.
Steve Ferguson
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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: Bumper Repair/Restore [Say NO to Bondo!] [message #63602 is a reply to message #63507] |
Mon, 09 November 2009 15:42 |
Firefly
Messages: 98
Registered: May 2008
Location: Augusta, Maine
Karma: 0
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I have found that plastic body filler is in fact NOT good for repairs to metallic items when you want to powder coat them; because of the difference in conductance, the coating will be significantly thinner on "bondo"-treated areas.
What I have successfully used several times is "All-Metal" filler, comprised of aluminum powder mixed with epoxy and stabilizers. The aluminum is dense enough to conduct the high-voltage/low-amperage static charge as long as the base surface is roughed with 80 grit and the hardened filler sanded so that the epoxy skin is sanded off, allowing the aluminum substrate to do its job.
All Metal filler will not absorb any water, either (as plastic filler does immediately).
Mark Scoble, Lunenburg, MA - 1973 23' Palm Beach Stretched to 32' and in residence at the GMC Co-Op in Orlando, FL
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| Re: [GMCnet] Bumper Repair/Restore [message #63607 is a reply to message #63541] |
Mon, 09 November 2009 16:24 |
peter bailey
Messages: 367
Registered: March 2009
Location: Gawler, South Australia
Karma: 0
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Senior Member |
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Rick
If the bumpers are stripped back to bare metal then repaired they need to be
plated to prevent rust as powder coating is pourous and the rust will
develop behind the coating and you will have bubling of the surface, avoid
body filler if possible it can react if the heat of the oven for curing the
powder coat is high.
Peter Bailey
from Ozy (Aussie)
----- Original Message -----
From: "Steven Ferguson" <botiemad11@gmail.com>
To: <gmclist@temp.gmcnet.org>
Sent: Monday, November 09, 2009 10:58 PM
Subject: Re: [GMCnet] Bumper Repair/Restore
Rick,
I took my bumpers to a powdercoating place and just paid for the sand
blasting. At that point, they can be filled and smoothed with body
filler just like body panels on a steel car. Powder coating is nearly
forever, and if you have any damage afterwards, removing it is nearly
impossible. Just paint to body color and it will make future repairs
no more difficult than body work. Powder coating is not magic. It
still chips, scratches and is subject to UV fade. Pics attached:
http://www.gmcmhphotos.com/photos/showphoto.php?photo=28178
On Sun, Nov 8, 2009 at 6:22 PM, Rick Williams <rickw@mich.com> wrote:
>
>
> Good Evening All
>
> It was a beautiful day in the UP today. Sunny and mid 50's. The dogs and I
> did some ruffed grouse hunting.
>
> I have been thinking about the options for improving my bumpers. They are
> original chrome and are in good shape except for several small dents in
> the rear due to the previous owner's careless backing. There is of course
> some pitting but overall they are not too bad.
> But I am considering having them powder coated. My coach and jeep wrangler
> are the same gold color with black trim. The only chrome on either vehicle
> are the coach bumpers. Black bumpers would look good.
> Has anyone done this? From what I can tell, the best solution is to have a
> chrome shop strip the chrome and then powder coat. Anything else may not
> work well. The small dents could be repaired before powder coating.
> There were a few coaches made with painted bumpers and if I could find
> someone who wanted to trade painted for chrome, it might be cheaper to
> prep a painted bumper for powder coating.
> But again, I would like to know if any of you have stripped the chrome and
> powder coated your bumpers.
> I know that there are bumper covers, but I do not want those. Thanks as
> always for your input.
>
> Rick
>
> --
> Rick Williams
> Gladstone, Michigan
> 1978 Eleganza II
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Bumper Repair/Restore [Say NO to Bondo!] [message #63616 is a reply to message #63602] |
Mon, 09 November 2009 17:31 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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That is one of the reasons I was advocating just painting them body
color Mark.
On Mon, Nov 9, 2009 at 2:42 PM, Mark Scoble <worldnet@aol.com> wrote:
>
>
> I have found that plastic body filler is in fact NOT good for repairs to metallic items when you want to powder coat them; because of the difference in conductance, the coating will be significantly thinner on "bondo"-treated areas.
>
> What I have successfully used several times is "All-Metal" filler, comprised of aluminum powder mixed with epoxy and stabilizers. The aluminum is dense enough to conduct the high-voltage/low-amperage static charge as long as the base surface is roughed with 80 grit and the hardened filler sanded so that the epoxy skin is sanded off, allowing the aluminum substrate to do its job.
>
> All Metal filler will not absorb any water, either (as plastic filler does immediately).
> --
> Mark Scoble, Augusta, Maine - 1973 23' Palm Beach Stretched to 32' and undergoing complete renovation at the GMC Co-Op
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Bumper Repair/Restore [message #63661 is a reply to message #63543] |
Tue, 10 November 2009 07:35 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Cyls down Rob. Works perfect.
Tracker sold for $6,500. The guy never came back for the Alladin
adapter pins so I now have an extra set.
On Mon, Nov 9, 2009 at 6:17 AM, Rob Mueller <robmueller@iinet.net.au> wrote:
> Steve,
>
> What do you think about chrome colored powder coating?
>
> Hey, that bow tie doesn't look like one off a Chevy?
>
> The LPG tank looks good but I thought the gas struts supposed to be mounted
> with the cylinders up?
>
> FYI I mailed the bushing tool, you'll have it in 7-10 days (probably
> sooner).
>
> Regards,
> Rob Mueller
> Sydney, Australia
> 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 Steven Ferguson
> Sent: Monday, 9 November 2009 11:29 PM
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Bumper Repair/Restore
>
> Powder coating is not magic. It still chips, scratches and is subject to UV
> fade.
>
> Steve Ferguson
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Bumper Repair/Restore [message #63753 is a reply to message #63670] |
Tue, 10 November 2009 18:57 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Learn something new every day. Thanks!
On Tue, Nov 10, 2009 at 8:47 AM, Erv Troyer <reo43@aol.com> wrote:
>
>
> Rob Mueller wrote:
>
> . . . but I thought the gas struts supposed to be mounted with the cylinders up?
>
> Then Steve Ferguson wrote:
>
> Cyls down Rob. Works perfect.
> ================================
>
> For what it's worth:
>
> Gas spring manufacturers DO recommend that the cylinders should be up, rods down. This keeps the rod seal lubricated.
>
> Look at the springs on minivan rear doors.
>
> Erv Troyer
> Lagrange, IN
> (retired - again)
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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