I have always had trouble getting the water neck on my car to seal. I tried everything, double gasket, sanding base flat, retorquing hot and cold, etc. It would always seep! I was at NAPA today to get an oil temp gage line and saw a chrome stat housing made by Mr Gasket that had an o-ring in the bottom. No sealer, no gasket, just tighten it down with the supplied chrome bolts. And NO LEAKS! Its Mr Gasket part #2661 and NAPA part #735-4366. Cost all of $10.99 + tax. It works great and now I don't have to worry on my way to Chevelleabration! SSuper Dave

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I use an iron neck on my engine after blowing out a couple chrome ones.

I've never had any trouble with them blowing out, but the aluminum seems to be especially susceptable to corrosion in part I think because of our local hard water. I started using distilled water last year and have'nt seen the corrosion since. Summit sells a nice O-ring polished die cast version with a swivel neck for about $27.

Dave,
Fel-Pro also makes a very nice gasket that is actually molded plastic with a rubber seal. It is in thier performance gasket catalog. Just thought I would mention for those who dont want to go to the o-ring style.

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Bill Koustenis
Advanced Automotive Machine
Waldorf Md

Don't use those new housing gaskets from GM with the O ring because they leak like a siv, with or without sealer. I even tried using straight sealer without a gasket and it leaked. I went back to the old way,gasket and sealer.

Mark

I am with Pat. The cast iron ones are the only ones that don't leak over time. I just paint them with aluminum paint and they blend with the intake - some things just don't need to have attention called to them by chroming.