There's no reason that wouldn't work.  The normal oil cooler is dumping
the heated air overboard, you'd be ducting some heated (and recirculated)
air inside, where it can do more good.
  BTW, my stock '83 Porsche 911 used metal lines all the way to the front
'trombone' oil cooler (in front of the right front tire), and it has an
in-line thermostat to protect cold, thick oil under higher pressures from
blowing out the lines or cooler.
  I like your idea, and have pondered the possibilties for years, but never
tried it myself yet.

Mike B.
----- Original Message -----
From: "Evan Martin" <7martinn@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, November 29, 2008 6:40 PM
Subject: heat ideas

> Don't currently own a air-cooled Vanagon, but- living up north here where
> heat is a fairly serious concern, and air-cooled vans being generally less
> expensive (I might be on even a tighter budget than a lot of the list
> :) )-
> has anybody tried using an oversized oil cooler as a heater core?
>
> Not thinking of routing the oil all the way up front, of course- just
> maybe
> in the same location as the core under the back seat like in a
> water-cooled
> van.
>
> The obvious problem would be overcooling the motor- but maybe that could
> be
> compensated for in the thermostat?
>
> thoughts?
>
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