Installing an oil cooler - Alfa Romeo Forum
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Installing an oil cooler

I`m considering to install an oil cooler.
Benefits are obvious, as i had read on past threads.
But, any problems with it.
Oil pump flow capacity not enough?.
Oil pressure increase or drop?.
Too much cooling the oil may result in a increase viscocity, then increase the pressure too much over normal, thus affecting the engine?.

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Re: Installing an oil cooler

Another option is to fit an oil / water heat exchanger similar to those fitted to the 156 TS engines.

It fits between the oil filter and engine and the engine coolant circulates through the heat exchanger. This has the benefit of warming the oil on cold days but the disadvantage is that heat from the oil is transfered to the coolant which is no problem if your radiator is in good condition.

I had one fitted to my 1.7 Sprint and it worked very well.
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Re: Installing an oil cooler

I nearly did it on a 145 1.7 boxer so maybe you can learn from my mistakes.
I won a cooler on eBay but it was too big for the engine 13 row is for 2.0 and over.
The adaptor didn't fit- Alfa use a 3/4" thread to the oil filter. This is a really standard size.
The hoses were too short- At around 65 cm. Needed at least another 20 cm on each.
And I decided I would prefer a thermostatic adapter plate so it only cools the oil when it's hot.
So I sold it again.
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Re: Installing an oil cooler

one problem with an oil cooler is if the oil is cooled too much. if it doesnt get over and stay over 70*c then it wont protect your engine. how hot does the oil get atm?

you can get thermo' sandwich plates. i choose an 80*c thermo for my car so that it doesnt run too cool. i still have to put card over the cooler in the snow though.
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Re: Installing an oil cooler

As well as the thermo sandwich plates, you can also get standalone thermostats to put in the oil lines.
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Re: Installing an oil cooler

I have done one with the sandwich plate, i used a transmission cooler from late model ford (big 16 row)
and the sandwich plate had an inbuilt thermostat.
A must do for the boxers i think, as i track my car regulary it doest go over 100 even in 36+ degrees
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Re: Installing an oil cooler

Do you have any photos you can post?
It would be interesting to see where you sited the cooler and how you routed the pipes.
Did you have to buy the sandwich plate separately?
Also what has it done to your oil pressure at idle when hot?
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cooler , installing , oil

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