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Old 08-27-2012, 06:01 AM   #8
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Join Date: Jun 2012
Location: Frederick MD
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Quote:
Originally Posted by jlawrence54 View Post
Thanks again for the reply. No, it is definitely normal. In the two years I've had it there has never been that kind of discharge, I mean it will produce smoke like a 1930's locomotive going uphill. Also, it was ~9 quarts in 170 miles (sorry, the 85 miles I reported earlier was one way). What baffles em the most is the lack of evidence underneath as well as the way it still has lots of power and stays cool. Perhaps I dislodged a section of the fill pipe? I don't know but, I'll keep digging.
OK that's different. In reading your original post, it seemed as if all was normal while driving with just a nice plum of smoke on start up. If your putting off a smoke screen under load, then it could be a few things. AOS system is where I'd start. Check the plugs for oil fouling. The AOS has a diaphragm that controls the vacuum applied to the crank case, if it splits, vacuum is no longer controlled (read full engine vac). Under the worst scenarios, the AOS actually sucks enough oil from the case through the intake and into the cylinders that the engine will succumb to hydraulic lock (this can happen on radial engine aircraft as well though not for the same reason, but I digress). Probably not the best idea to keep driving it. Find a shop or start researching on the internets.
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