Aluminum slant block

RustyRatRod said

It's the block itself. I believe it can be stopped. I think it the block were to be decked to clean it up good. Have it decked so it has a little "tooth" to it. Not a mirror finish. Then degrease it with denatured alcohol, let it dry completely and come back over it with a high temp oil based DTM paint. Just spitballin, but that would certainly stop the corrosion problem. Now, what it would do in terms of affecting the gasket sealing, I don't know, but I'd be game to find out.

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I developed a solution for the guys over on .org about 10 years ago, but they still choose to keep repeating the same process expecting a different result. I also contributed and participated in a magazine build(Muscle Mopar and Hot Rod magazines)with Steve Magnate featuring an aluminum Slant 6 build, and again the dreaded blown head gasket scenario derailed the project during dyno testing. So there are ways to reduce the blown head gasket issues, and it can allow for better power output, but it'll only be a matter of time that it causes another weak link in the chain to appear and then that having to be addressed.....IMHO!