Hi Robert,
I have been using 5w-30 year round in my 948 rebuilt engine.
4000 miles so far and no problems. Oil pressure comes up a lot faster
than 20w-50 and is around 35-45 at idle when hot.
Peter S.
Charlotte NC
>Date: Thu, 25 Feb 1999 16:00:48 -0500 (EST)
>To: spridgets@autox.team.net
>From: r o b e r t w e e k s <robert@woozy.com>
>Subject: oil for engine break-in
>Reply-To: r o b e r t w e e k s <robert@woozy.com>
>
>hi,
>
>I've been using Castrol 20w - 50 in my Midget for so long because of
the
>tired condition of the old engine, that I never thought about using
another
>weight in my newly rebuilt engine until a friend asked me what weight
oil I
>was using. I had cases of 20W - 50 around so that's what I grabbed when
I
>was filling up the new engine.
>
>What is the proper weight for breaking in a new engine? I'm in North
>Carolina, the temp has been between 25 - 45 degrees lately. Should I be
>using 10W - 30 or 10W - 40?
>
>Thanks,
>
>Robert
>
>
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