Date: Tue, 20 Oct 2009 09:18:07 -0700
Reply-To: Don Hanson <dhanson928@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Don Hanson <dhanson928@GMAIL.COM>
Subject: Re: question on oil cooler for 1990 Vanagon
In-Reply-To: <5ebe10a0910200825k5cef5e30kb7bd51639cd4e858@mail.gmail.com>
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Here's a few ideas for mounting a Mocal. I worked one up for my
transmission on a racecar ...similar.
If you use a fan you can expect much better cooling than trying to depend on
airflow only.
Spal and some other companies make fans that will work well in tandem with
a Mocal oil cooler.
http://www.batinc.net/ (hint: Look for the tab for Porsche oil cooling.
there are german car specific fittings available)
Wire up a relay to control your oil cooler fan. You could use another
'thermo switch' right in the oil stream or perhaps take the signal off your
radiator fan switch. Then when the vehicle is hot the fan for the oil
cooler will come on and draw (or push) lots of air past the Mocal cooler.
You can also control the oil flow to a secondary cooler using an extra
oil pump, which is what I did on my tranny cooler. Tilton pump. (with the
pump for my racer, we directed fresh cooled oil in a stream right onto the
input shaft gear cluster and the ring gear, helping the tranny 'live') I
might be tempted to do this if I was building an oil cooler system for a
vanagon..That way you could install a check valve into the system and know
for certain that in case any of your 'improved oil cooling system' failed
you would NOT be doing any more harm than if you'd just left things alone...
Using just a 8" square Mocal cooler, we could take my tranny temps from
300f + to around 210f at full race temps...That is with Redline gear oil, so
motor oil would probably cool even better.
Don Hanson
On Tue, Oct 20, 2009 at 8:25 AM, Chris S <szpejankowski@gmail.com> wrote:
> I have a Mocal cooler with fancy stainless mesh-covered oil lines,
> aircraft-grade fittings and thermostatic sandwich adapter that I will
> be installing on my Westy. Why? Because a family of five plus
> lugagge in a small trailer making it up the mountains on a 90 F day
> equals very hot oil and drop in oil pressure even with synthetic
> 15w50. The stock oil heat exchanger is not up to this task.
>
> The issue is finding a suitable location. You certainly do not want it
> under the vehicle where it would be exposed to potential damage. the
> location behind the taillight has been used by some but it requires a
> bit of fabrication to box and direct the cooling air from the vent. A
> thermostatically controlled fan opens up options. You then could mount
> it above the trans in the tunnel and conceivably pipe some air in if
> required.
>
> I don't know if anyone tried fitting the larger Passat oil heat
> exchager. It's a lot like the WBX piece but a lot thicker. It
> certainly looks like it would work if you use the Passat threaded pipe
> that holds it in place. I've seen these heat exchangers for around
> $190.
>
>
>
>
> 2009/10/20, David Cohen <Mtbdavid2@aol.com>:
> > Hi,
> > I was wondering if an external oil cooler, bigger than the stock one,
> is
> > good for extending the life of a stock 2.1 motor in a 1990 Vanagon?
> >
> > Thanks,
> > David
> >
>
>
> --
> Chris S.
> Disclaimer: "Death and serious injury may occur"
>
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