The original Factory handbook that came with my Continental C-75/C-85 (it has the specs for both engines in the same book) show that the engine should use one quart every 5 hours. That is about what I get. Ercoupe has a mod for the engine vent tube, as most of the oil lost is going out the engine crankcase vent tube. The original tube goes forwaed and then down, the new tube goes up, then back, than down. This is supposed to keep the oil vapors from condensing and running down the tube into the cowling. Instead, they drain back into the crankcase. This is said in the SB to decrease oil loss to about 1 quart in 6.5 hours. It sounds like a large portion of the oil loss on these engines is simply due to oil vapor loss through the venting tube. Dennis 94715
Percy Pwood Georgia Wood wrote: > > Hey, Charles. > Does that oil consumption on the Continental 90 (1 Qt per 6 hrs) apply > to the C-85? > We all assume that the figure is burned oil, not leaks. Like they say > about the Continental Engines, "if it is not leaking oil, it is because > it hasn't any ..." :-) > Percy
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