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Central Syncronizer
Samba Member
Joined: November 19, 2008
Posts: 302
Location: Vancouver
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 Posted: Sat Feb 23, 2013 5:16 pm Post subject: Syncro Fuel Tank Insulation - Replace or leave bare? |
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I've dropped my tank and I've pulled off the OEM insulation. I'm wondering if most syncro owners that do this just leave the tank bare or recover it in a better material.
I'd like to go without insulation and so would like to know how this is working out for those of you that left it off. My thought is that if I do all the body metal with bedliner, there shouldn't be much chance of rust.
cheers and thanks
Jay
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Ongoing restoration/maintenance of my syncro double cab (and soon Westy):
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insyncro
Banned
Joined: March 07, 2002
Posts: 15086
Location: New York
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| Posted: Sat Feb 23, 2013 5:57 pm Post subject: |
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I install adhesive backed ThermoTec insulation to most of the tank.
It is a thinner product than the stock and is superior as a thermal barrier. |
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0to60in6min
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Joined: November 27, 2006
Posts: 3456
Location: OR & CA (Oregon/California)
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| Posted: Sat Feb 23, 2013 6:13 pm Post subject: |
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a good insulation barrier is good and I think you should have it..
to insulate heat of the engine to gas tank...
the OEM insulation is barely enough in summer in hot weather... namely Death Valley in the summer
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MsTaboo 
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Joined: June 02, 2006
Posts: 4549
Location: East Kootenay, British Columbia
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| Posted: Sat Feb 23, 2013 6:34 pm Post subject: |
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Is the tank insulation something that was only for the North American market?
Both of my imported from Europe Syncros have no insulation that I can see.
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Currently:
'90 Syncro Westy 3 knob w/Zetec
The information age has morphed into the age of disinformation and willful ignorance. Agnotology!
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syncroserge
Samba Member
Joined: November 26, 2005
Posts: 570
Location: Okotos, Alberta, Canada
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| Posted: Sat Feb 23, 2013 7:01 pm Post subject: |
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| MsTaboo wrote: |
| Both of my imported from Europe Syncros have no insulation that I can see. |
Are they diesels? The turbo diesel syncros have no insulation on the tank. |
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ng
Samba Member
Joined: October 01, 2011
Posts: 116
Location: Edmonton, AB
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| Posted: Sat Feb 23, 2013 7:30 pm Post subject: |
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I have my tank out for a re-seal right now and I am upgrading my tank insulation in my 86 Canadian Syncro Westy.
However, I have a related question about the piece of foam between the tank and the van body in front of the tank. My foam is in rough shape and I don't see the purpose of it besides sound proofing. I plan to apply an undercoating for rust protection and some sound proofing. Would there be any reason to replace the foam or should I just leave it out as planned?
Thanks!
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1986 Syncro Westy "Braunbaer"
http://www.thesamba.com/vw/forum/viewtopic.php?t=607112 |
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Central Syncronizer
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Joined: November 19, 2008
Posts: 302
Location: Vancouver
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| Posted: Sun Feb 24, 2013 12:21 pm Post subject: |
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| insyncro wrote: |
I install adhesive backed ThermoTec insulation to most of the tank.
It is a thinner product than the stock and is superior as a thermal barrier. |
Thanks for the info.
The Thermotec adhesive-backed looks a lot like the butyl rubber sound dampeners like Fat Mat etc. I've now seen a similar product marketed as either sound deadener, roofing patch, and heat shield/sound deadener.
This butyl/aluminium laminate is great stuff but I'm starting to wonder if there is a factory somewhere producing this stuff and its then being branded and retailed (and priced accordingly!) by the different specialty companies. I've found the stuff at alocal hardware store as aluminum roofing patch for a fraction of the price that the specialty guys are selling it for. I'll dig some up and post a pic and brand to pass on.
cheers,
Jay
_________________
Ongoing restoration/maintenance of my syncro double cab (and soon Westy):
http://88syncrodoka.blogspot.com/
Last edited by Central Syncronizer on Sun Feb 24, 2013 12:28 pm; edited 1 time in total |
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insyncro
Banned
Joined: March 07, 2002
Posts: 15086
Location: New York
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| Posted: Sun Feb 24, 2013 12:27 pm Post subject: |
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No rubber in the product I'm using.
It is a fiber weave with radiant barrier of the exterior side.
Check Summit Racing and other race suppliers.
I have posted numerous times about this and with product links. |
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Central Syncronizer
Samba Member
Joined: November 19, 2008
Posts: 302
Location: Vancouver
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| Posted: Sun Feb 24, 2013 12:32 pm Post subject: |
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| insyncro wrote: |
No rubber in the product I'm using.
It is a fiber weave with radiant barrier of the exterior side.
Check Summit Racing and other race suppliers.
I have posted numerous times about this and with product links. |
OK, thanks. I looked on their site and the adhesive backed stuff was butyl/aluminium. I'll look again for the fabric stuff with adhesive backing.
cheers
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bosruten
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Joined: February 11, 2011
Posts: 560
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insyncro
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Location: New York
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Central Syncronizer
Samba Member
Joined: November 19, 2008
Posts: 302
Location: Vancouver
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| Posted: Sun Feb 24, 2013 1:58 pm Post subject: |
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| insyncro wrote: |
I install adhesive backed ThermoTec insulation to most of the tank.
It is a thinner product than the stock and is superior as a thermal barrier. |
Am I missing something here? I've been over the entire Thermo tec website and cannot find the product you are describing. There don't seem to be any fibre weave mats with self-adhesive backing.
cheers
Jay
_________________
Ongoing restoration/maintenance of my syncro double cab (and soon Westy):
http://88syncrodoka.blogspot.com/ |
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MsTaboo
Samba Member
Joined: June 02, 2006
Posts: 4549
Location: East Kootenay, British Columbia
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| Posted: Sun Feb 24, 2013 3:16 pm Post subject: |
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| syncroserge wrote: |
| MsTaboo wrote: |
| Both of my imported from Europe Syncros have no insulation that I can see. |
Are they diesels? The turbo diesel syncros have no insulation on the tank. |
No, both are/were DJ petrol engine equipped. The Doka has a different engine now, so it's possible the insulation was pulled. (which is what I had assumed before I got the Joker) The Joker has original engine. 72K on it doubt it's been pulled. Both Syncros have minimal rust so I doubt either has had the tank pulled.
Interesting that the VW engineers would spec different coverings on the tanks. I figured it was another America insurance thing.
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Currently:
'90 Syncro Westy 3 knob w/Zetec
The information age has morphed into the age of disinformation and willful ignorance. Agnotology!
All that's needed for evil to prevail is for good people to do nothing.
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zeohsix
Samba Member
Joined: August 31, 2012
Posts: 501
Location: United States
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| Posted: Sun Feb 24, 2013 7:42 pm Post subject: |
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| Central Syncronizer wrote: |
| insyncro wrote: |
I install adhesive backed ThermoTec insulation to most of the tank.
It is a thinner product than the stock and is superior as a thermal barrier. |
Am I missing something here? I've been over the entire Thermo tec website and cannot find the product you are describing. There don't seem to be any fibre weave mats with self-adhesive backing.
cheers
Jay |
Part number 13585 should do the trick at Thermotec |
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zeohsix
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Joined: August 31, 2012
Posts: 501
Location: United States
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| Posted: Sun Feb 24, 2013 7:54 pm Post subject: |
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| Looks like there is aluminum fiberglass mat on Flea bay for 1/2 the price of Thermotec I'd send a link but on my phone right now. |
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Central Syncronizer
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Posts: 302
Location: Vancouver
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| Posted: Mon Feb 25, 2013 12:52 am Post subject: |
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Great! Thanks for the info.
Jay
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Ongoing restoration/maintenance of my syncro double cab (and soon Westy):
http://88syncrodoka.blogspot.com/ |
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insyncro
Banned
Joined: March 07, 2002
Posts: 15086
Location: New York
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| Posted: Mon Feb 25, 2013 6:47 am Post subject: |
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| Bingo |
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tencentlife
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Joined: May 02, 2006
Posts: 10147
Location: Abiquiu, NM, USA
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| Posted: Mon Feb 25, 2013 9:04 am Post subject: |
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I stripped off all the ratty factory FG, and then covered only the saddle area above the trans with Reflectix bubble-wrap I had a roll of, secured along the edges with "real" duct tape, the kind that never lets go. I can only see the need for insulation above that big radiant body (hot trans). It made stuffing the tank back in a lot easier, and it's held up in good condition.
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syncroid
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Joined: May 30, 2006
Posts: 319
Location: CA
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| Posted: Mon Feb 25, 2013 3:01 pm Post subject: |
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| MsTaboo wrote: |
Is the tank insulation something that was only for the North American market?
Both of my imported from Europe Syncros have no insulation that I can see. |
My imported 16" syncro also lacks the insulation. (Also doesn't have the charcoal canister and vacuum system for the gas tank vapor - and I though Europeans were more ecologically advanced...) |
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insyncro
Banned
Joined: March 07, 2002
Posts: 15086
Location: New York
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| Posted: Mon Feb 25, 2013 4:10 pm Post subject: |
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I put it above all my transmissions.
I made a flap to cover the fuel tank sender.
The starter gets wrapped with the extra. |
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