I've always been told it was for a dry sump connection.
Larry Miller
----- Original Message -----
From <John.Deikis at med.va.gov>
To: <spridgets@autox.team.net>
Sent: Tuesday, October 23, 2001 9:37 AM
Subject: Know your 1275?
> Got a question that I'm sure someone out there knows the answer to....
>
> Looking from the front of the 1275 block....at the right rear (ahead of
> where the oil pump is hidden)
> is a bulge in the casting (actually two bulges) where the oil pick-up
> drilling resides. Vertically
> into one of these bulges is a nicely machined shoulder with a hex plug.
> Nearby, but horizontally,
> is another, but bigger threaded plug. Why are these plugs there?
>
> (I know one British possibility is that that's where the supply line to
the
> oil-fired heater used in
> the Royal Navy lifeboats was plumbed. And when the motor was adapted for
> cars they just screwed
> in a cute plug. Or how about, all Spridgets have that tapped port so you
> can buy an Accusump and
> easily connect it when you go racing).
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