Duke thermostat gaskets (Page 2/3)
fierosound SEP 25, 12:15 AM

quote
Originally posted by theogre:

So order it and try one...



Will be here Monday thru Amazon.ca
Didn't want to say anything further until I get it.
fierosound SEP 28, 05:19 PM

quote
Originally posted by fierosound:

Will be here Monday thru Amazon.ca
Didn't want to say anything further until I get it.



Got it today. Not suitable - more like an O-ring.

In email discussions with a Tech at Stant.
Surely some other application, be it a truck, tractor or marine uses something suitable in the size we need.

theogre SEP 30, 01:03 AM
Is hard to tell from 1 iffy picture but at least doesn't cost allot.
RA said had "glue" on 1 side to stay put installing it so I thought maybe flat ring? Is it even close to fit?
fierosound SEP 30, 10:55 AM
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[This message has been edited by fierosound (edited 07-19-2022).]

fierosound OCT 13, 03:19 PM
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[This message has been edited by fierosound (edited 07-19-2022).]

theogre OCT 13, 08:24 PM
bottom ring is likely too big to compress right. Over Compressing rubber can squeeze out, break or both. More so w/ gap isn't complete close like here.

Could do same as "my" top post above. Cheap and works.
Or Find "better then cork" and do similar. Cork composite material isn't crap that many think. Most just have no clue how to use it right.
Could find 2 or 3 small rings that nest to fit. Small as size of "rubber" like 1/8" to 3/16" to compress good. 2 or 3 different total sizes to nest w/o bothering each other.

Could search and buy new T'stat tube hopefully should come w/ the gasket. Cost $30 to $50 each. For many this is a better option because tube often have "Rust" eating thru the sides, at top making hard to seal the cap or both. One of my "spares" has holes thru the side, One use has minor top rust.
fierosound FEB 20, 12:16 AM
Saw this in another thread for original T-stat housing with rolled edge.
May work better than FelPro 35062 gasket in that application.


quote
Originally posted by AsaBergman:

I had this issue on the 84. Previous owner overtightened and bent the flange. I used gasket "Felpro 35562 T".
It is a hard plastic gasket with a rubber o ring. Install dry, no sealant. The bolt holes have to be elongated with a file to fit.
Never leaked a drop after two years and multiple removals. No overheating issues. If the flange on the housing is corroded you must clean it good.

This is the exact item I used: https://www.amazon.com/Fel-...asket/dp/B000C2E4GM/

[This message has been edited by fierosound (edited 02-20-2021).]

theogre FEB 20, 04:47 PM
Unless you mod the "gen2" housing, very likely it won't work.

MAYBE Solder flat sheet in the indent to flatten then use any old style gasket.

But is way more work the making a gasket and use some sealer as needed as said above.
AsaBergman FEB 21, 05:04 PM
Another option is to have a machine shop mill it flush to remove the ring. The flange on this housing is much thicker than the other style housing and will still be thicker even with some milling.
AsaBergman FEB 21, 05:07 PM
Hello, that was me. That gasket won't work on this housing, I tried it as I have both t-stat housings. It only works on the other smooth housing. Unfortunately the o ring is not thick enough.


quote
Originally posted by fierosound:

Saw this in another thread for original T-stat housing with rolled edge.
May work better than FelPro 35062 gasket in that application.



[This message has been edited by AsaBergman (edited 02-21-2021).]