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flyboyj: To clarify - this engine does have the cowling installed, but I don't know if all the "baffling" is installed. (I heard this came from the #2 spot on a "C-6", but I think it must have been a "DC-6". This was years ago.) What baffling are you talking about?
D²
Not bursting my bubble. I'm no AP..just trying to give suggestions.No pain
here flyboy.
Running it rich is a good idea. Maybe even run it with water injection from an unlimited
supply of water like the stationary test when they pulled 3000+ HP from it.
This summer is as hot as ever in Fresno, but after a good bath (long overdue), the ol' girl runs much cooler. I used kerosene in a pneumatic sprayer for hours going over the engine. Some cylinders have such heavy buildup, I may have to get more aggressive. Some cylinders have a thin but persistent varnish coating. About half of them came completely clean though, and - imagine that - cooling improved dramatically. After giving the same healthy treatment to the oil cooler, I'm expecting great things in the Fresno heat.