Date:         Tue, 9 May 2000 15:01:29 -0400
Reply-To:     Karl M <thewestyman@MINDSPRING.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Karl M <thewestyman@MINDSPRING.COM>
Subject:      Re: Source for small auxiliary coolant pump? (oil cooler idea!)
Content-Type: text/plain; charset="iso-8859-1"

----- Original Message -----

> This is not an elegant solution to the problem.  To do it properly, more
than
> just an H2O circulator (aka, pump), radiator and 30 FT of hose is needed.
> What about the pressurizer tank and an anticipator in the control circuit?

HUH? It won't need pressure, just flow. And possibly an expansion tank. I
plan to also add a thermostatic control of some sort so as to not overcool
the oil.

> Why continue to mix H2O with oil, so to speak, and add all that
complexity?
> Admittedly, I know nothing about the physical configuration of a 1.9TD
engine
> compartment but, it seems to me an adequately sized, forced air,
oil-to-air
> heat exchanger should be able to fit within its confines.

Been there, not enough air flow in the rear of the vehicle. Oil to air would
be fine in the high-pressure area of the front, but then the oil has to
travel 30 feet. Simpler, but more strain on the engine.

> A pertinent question may be: Is the stock cooling system and oil cooler
> working properly?  After all, that large mass of coolant should be at the
> ideal temperature for the oil.

All is new in that respect. It seems, to persons not directly involved in my
project, that the stock cooler should be sufficient. But you need to take
into consideration the workload of my turbo engine, pushing this
non-aerodynamic 4WD beast with oversize tires and high gearing up and over
10,000 to 14,000 ft. mountain passes loaded down, all the time very close to
full boost. Now THAT makes a lot of heat! In stock form in a stock van, no
problem. Or with no turbo, with it's bearings being cooled by the oil. The
stock oil cooler being cooled solely by the engine coolant works just fine,
until I hit those long passes. I don't think 150 C. degrees is so good for
oil, do you?

Karl