Looks great. Any issues leaving gunk at the car wash or does their equipment handle it? On an engine stand, I used diesel and plastic brush, w/ air to blow out the crevices, but couldn't clean out all the webs in the upper valve cover rear. Your method looks faster. I also found that the engine degreasers work better than gasoline/diesel (but costs more).

Do you plan to paint or protect the newly washed parts? In some places, aluminum will quickly corrode to an ugly white, though not in your desert. When I can't paint, I use Rustoleum protector. It is a clear coating, like cosmoline or wax. The spray can shows a shovel. They say 6 months protection outdoors, but might last much longer in an engine bay.

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1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans