Entry 2 for today: Later, I swapped the oil coolers on the duct work. Should have done that a long time ago - much easier than I remembered. Used polysulfide (pro-seal) on the fittings. I've found when there isn't much need to be swapping fittings in and out, though polysulfide is rather permanent, it's made for high temps, and great oil and fuel resistance.
New Niagara is from Van's. The Aeroclassics was from Spruce.
