Mailing List lml@lancaironline.net Message #11979
From: Mike S. Reinath <mreinath@mail.arc.nasa.gov>
Subject: Oil Viscosity Question
Date: Tue, 22 Jan 2002 14:41:54 -0800
To: <lancair.list@olsusa.com>
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I'm still trying to get my 360 going on its first flight. I passed my FAA inspection in Oct 18th, but since then I've had a couple of problems. Now I am getting close again. I have SAE 50 mineral oil in the engine, but ambient temps here in N. California are about 35 - 40 at night and 50 - 55 deg F during the day. Should I switch to the SAE 40 mineral oil, or is the 50 still okay to use at these temps? I am thinking I will stay with the SAE 50. Anyone think that is a bad idea?

Mike Reinath
N3602M

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