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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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 Posted: Sun Sep 27, 2015 10:16 pm Post subject: Heat control valve variants |
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Maybe someone ( TCash ?) has images of the different heat control valves???
Early Jersey shows 021 256 205 C and 021 256 206 C . That should be for the 1700 and 1800 engines
The fiche for 75 - 77 bays shows either 021 256 205 K or L. and 021 256 206 K or L.
Dansk makes a repop that is the K variant and lists it 72 - 79 usually with a note that it does not have the air horn on top like 78 & 79 had on them. So not including 914 variants there is the /C, /K and /L. I can't figure what the difference is and which the Dansk version best matches. In fact that part is normally labeled /K but I came across a well known European site that indicates the part was originally the /L.
(1) Does anyone have pictures of what is different between the /C, /K and /L variants of the hot air valve?
(2) has anyone tried the Dansk version and how well does it work for you? What year heater exchanger system do you have.
I am asking now because winter will be coming soon and it would be nice to have an answer by the time folks start working on their heat systems.
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“Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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Wildthings
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Joined: March 13, 2005
Posts: 50349
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| Posted: Mon Sep 28, 2015 6:22 am Post subject: |
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| The only difference that I know of (besides the dump tubes) is that some had different kinds of seals on the flappers. Maybe I missed something though. |
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WhirledTraveller
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Joined: January 09, 2008
Posts: 1399
Location: Cambridge, MA
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| Posted: Mon Sep 28, 2015 7:33 am Post subject: |
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I have the Dansk repros and they work fine although my reproduction heat riser tubes where too long and had to be cut down. I had it all powder coated because I didn't trust the paint. The way the reproduction valves are made it is trivial to remove the "mushroom head" by dremelling off 4 small tabs. Then you can make your own dump tubes using appropriately sized ducts. (I like aviation SCAT air ducts).
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1977 Westy, Automatic. Big Valve heads, CS Cam. |
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Bleyseng
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Joined: July 03, 2005
Posts: 4752
Location: Seattle
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| Posted: Mon Sep 28, 2015 8:14 am Post subject: |
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Pics of the 79 heat control valve and the dump tube without the flex tube.
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Tcash
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Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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