Quote:
Originally Posted by 911monty
Totally agree. However, while motor oil may kill the cats, the only way to know will be to run them and cook the oil out with exhaust heat. I don't know the condition of the exhaust manifold to head bolts, but at this point I wouldn't risk breaking a few just to see if there is oil in there when we all know the answer to that one (see post 38). If the cats fail deal with it then. They may be fine. Lots of failed AOS that oil soaked cats came back from.
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Markus, Monty... Yes the cats have oil in them. I am fortunate to have 2 complete Boxster S exhaust systems in my storm cellar full of car parts. I will back-flush the primary cats, with water, then some waste Jet Fuel (like Kerosine), while I have the O2 sensors out. If they fail, I'll replace them later.
Dave, Thanks for introducing me to Grassroots.
I drove to Missouri and picked up my grandson in a Boxster. "Granny drives an SUV, Grampa drives a sports car..."
(Airbags are disabled in this one.)
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