I use Castrol 20W50. (I don't try to start the car when it's below
freezing. When I did drive the car in the winter, back in the late '70s, I
used 10W50 from November through March.)
Gary (Chicago Area)
----- Original Message -----
From: <nmleeds@mindspring.com>
To: <datsun-roadsters@autox.team.net>
Sent: Friday, December 12, 2008 5:57 PM
Subject: [Roadsters] Oil for a U20
> What oil to people use? I have been using 10-40 at sea level, but, it
> seems like its slow to get flowing (strangely high pressure during the
> first 5 minutes of driving) and burns straight through the engine when I
> run it hard (1 qt. every 250 miles). After I've been running it hard for
> an hour the oil pressure at idle drops to nothing -- these readings all
> from my super-reliable original in dash four-cluster (so take with a huge
> grain of salt)
>
> I'm tempted to try 5w-50 but thought I'd pick the big brains before I did
> anything that drastic.
>
> Nathaniel
> u20-69 SU's (having too much fun)
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