[T2] Oil cooler on a 68-71

[Al Brase]

I find it hard to believe that any bay window camper with an engine
properly put together cannot cruise at full speed without overheating the
oil. I am SURE the 1971 larger cooler and fan does a better job and likely
will make the engine last longer.
I would first calibrate the sender that is telling you it is too hot.If
your engine truly is getting too hot it could be timing or advance curve,
possibly jetted too lean if you have changed specs from stock.
Virtually every engine built in 1971 would pull the bus at maximum speed
without killing itself. That was the idea.Owner's manual says: maximum AND
cruising speed. I think in 1971 that number was 69-71mph?
Al

On Sat, Oct 27, 2018 at 10:16 PM c.dreike <c.dreike at verizon.net> wrote:

> Hi,
> I'm in the throws of installing a rebuilt engine in my 71. Seems that no
> one that I can find has discovered a good solution for installing a full
> flow oil pump cover that fits with the mustache bar engine support. It
> appears that some folks simply cut the mustache bar for clearance.  I'm
> currently looking into having an oil pump cover machined with a pipe
> thread pointing directly to the rear rather than to the side as the off
> the shelf covers go. What have you other folks done to install a full
> flow filter?
>
> And to address Andrew's oil overheat problem, take a look at the two oil
> pressure valves. If the pressure control valve (at flywheel end) is set
> too high, the relief valve at the pulley end will not close and oil will
> not flow through the cooler. There is a spec on the spring heights you
> can look up. Generally the relief valve opens on a cold engine due to
> high oil pressure causing oil to bi-pass the cooler. As the oil heats
> and thins, the pressure drops allowing the relief valve to close causing
> oil to flow through the cooler. The pressure control valve keeps oil
> pressure at the proper constant level. Excessive oil pressure causes the
> pump to work harder using up precious engine horsepower and could also
> cause the oil to heat. If a full flow cover is somehow installed on the
> pump, an external oil cooler could be installed. Using a thermostatic
> bi-pass valve in the circuit is advisable. Look up Thermostat oil
> valves. Checking oil pressure might also be instructive. Here is a link
> to a discussion on oil pressure. Specs are listed.
>
> Chris
> 64DD Kamper Kit
> 71 sunroof
>
> On 10/27/2018 7:42 PM, Andrew Stockton wrote:
> > I've got a 71 Camper equipped with a Berg Oil Temperature indicator.  If
> I drive over 55 and the outside temperature is over 80 degrees, the oil
> light starts flashing.  This means forgetting about any camping trips in
> the summer that involve mostly highway driving.  Living in Connecticut,
> where many campgrounds now close after Labor Day and most are closed after
> Columbus Day, severely limits the days available for camping.  If anybody
> has a solution to this situation other than switching to a water-cooled
> engine, please respond.
> > Andrew Stockton
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