

| Subject: | Re: Source for small auxiliary coolant pump? (oil cooler idea!) |
| From: | Michael J. Sullivan |
| Date: | Mon, 8 May 2000 16:15:39 -0500 |
Dear Karl,
Subaru makes a coolant pump that outputs 1800L/hr for their air/water
intercooler -- expensive, but it is designed for your application.
Cheers,
MJS
At 02:58 PM 5/8/00 -0400, Karl M wrote:
>Never one to leave things alone, and in my search for the best oil cooling
>for my TD, I have arrived at a new idea: Use the stock TD water-cooled oil
>cooler, but instead of utilizing the already-hot coolant of the engine's
>cooling system to try to control oil temps, build a secondary cooling system
>dedicated to only the oil cooler. Install a small radiator in front of or
>below the current factory unit (van has no AC), and use a small pump to flow
>the coolant to and fro. I'll also add a temp switch to signal the pump to
>operate only when oil temps exceed the desired amount. I figure this should
>be a lot less strain on the oil system than running an air cooled oil cooler
>up front, with 30 feet of hose. (My recent rear-mounted air cooled unit did
>not control the temps in the high mt. passes of the west, neither did the
>stock cooler) The only part I haven't found is a small coolant pump that
>could be run constantly at 200 or so degree temps. I had thought of using
>the ($$$) Audi aftercool pump from the turbo models, but that isn't really
>designed to run more than a few minutes at a time. Any ideas or comments?
>Thanks.
>
>Karl
>'87 Syncro Westy 1.9 TD
>
Michael J. Sullivan
IPS "SWATteam" Architect
Open Market, Inc.
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