Quote Originally Posted by Papa View Post
Well, it seems that my thermostat housing is leaking again. I'm considering trying one of these:



Does anyone have any experience with them? Any other tricks to get a leak-free seal would be helpful. I've tried three different gaskets, three different types of sealer, all with no luck.
Have you looked at one of these? Nice thick billet flange with an O-ring.

https://www.summitracing.com/parts/csi-9111c