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01-23-2018, 05:02 PM | #1 |
Member
Join Date: May 2016
Location: Gilroy California
Posts: 42
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Heater to firewall
I have a 29 leatherback with an Autolite heater. What was used between inlet and manifold to seal? Attachment 34799615167444639781651204181.jpg
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01-23-2018, 05:19 PM | #2 |
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Join Date: May 2010
Location: Jacksonville, FL
Posts: 292
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Re: Heater to firewall
Nothing. The space between the manifold cover and the inlet in the firewall is supposed to be there to allow fresh air to combine with the heated air.
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01-23-2018, 07:07 PM | #3 |
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Join Date: Nov 2011
Location: Arkansas & Alaska
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Re: Heater to firewall
I rap duct tape around mine
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01-23-2018, 08:49 PM | #4 |
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Join Date: May 2010
Location: Camino, CA.
Posts: 3,086
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Re: Heater to firewall
Good answer, Dale. Any connection that's not steel would probably rattle or burn up, or let bad air into the heat.
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01-23-2018, 08:50 PM | #5 |
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Location: Anchorage, Alaska
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Re: Heater to firewall
The guys in our club that have manifold heaters use a short piece of this:
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01-23-2018, 11:22 PM | #6 |
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Re: Heater to firewall
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01-26-2018, 09:34 AM | #7 |
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Join Date: Jan 2016
Posts: 2,101
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Re: Heater to firewall
I use a piece of chevy defroster vent tube tied with a hose clamp.
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01-26-2018, 10:26 AM | #8 |
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Join Date: Apr 2015
Location: Saint Cloud Mn
Posts: 745
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Re: Heater to firewall
Scat tube from your local airport as CarlG shows. It is such a small piece they would throw it away. Most likely cost you nothing.
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11-09-2020, 01:11 PM | #9 |
Senior Member
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Re: Heater to firewall
On the connection from the manifold heater to the body, I used a strip of that silicone grilling sheet that you use on the BBQ. It is flexible and seems to work well. Here is a very short video of it.
https://youtu.be/aUEdiPasUIY |
11-09-2020, 01:30 PM | #10 |
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Location: Washington Cty., ME or Flagler Cty., FL
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Re: Heater to firewall
I always have to have the windshield open to the "notch" to prevent getting head aches on long drives! I'm sure there must be a small amount of carbon monoxide under the hood and some seal at the fire wall is a good idea. Ed
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11-09-2020, 08:22 PM | #11 |
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Join Date: Jun 2014
Location: Land of Lincoln
Posts: 3,131
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Re: Heater to firewall
Heat riser tubing for more modern cars available at any auto parts store !
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11-09-2020, 09:20 PM | #12 |
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Join Date: Nov 2010
Location: Anchorage, Alaska
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Re: Heater to firewall
This is what most of the guys here use:
It's called SCAT hose (or tubing), comes in a variety of sizes, easiest place to get it is at your local aircraft supply house, or on line at Aircraft Spruce
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Alaskan A's Antique Auto Mushers of Alaska Model A Ford Club of America Model A Restorers Club Antique Automobile Club of America Mullins Owner's Club |
11-09-2020, 09:59 PM | #13 | |
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Join Date: Jun 2017
Location: Walla Walla, WA
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Re: Heater to firewall
Quote:
I have used the soda can method but it rattles a bit. Actually, it just joins in the chorus of other rattles. I will have to try the BBQ silicone sheet method. Thanks. |
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11-09-2020, 10:17 PM | #14 |
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Join Date: May 2010
Location: Concord CA
Posts: 637
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Re: Heater to firewall
Years ago when I had mine, I used a length of radiator hose to close the gap.
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11-10-2020, 08:28 AM | #15 |
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Join Date: Sep 2016
Location: Cincinnati OH
Posts: 418
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Re: Heater to firewall
As a previous poster said, I leave that gap there. There is more then enough heat to come into the cabin, and it lets fresh air mix with the heated air.
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