I fitted an oil cooler a couple of years ago. It seems to level out the temp on the car, that is to say it has to be some thing drastic to really raise the temp.
Whilst I was at it I had the one with thermostat fitted in the head, this does help in the winter months as you really don’t need to cool the oil and also allows quicker warm up times.
I got mine from Flexalite or Flexelite cant remember, very helpful unlike me
The racing ones in the 50's had the oil cooler inside where the number plate went, the number plate mount was cut out and a grill was put over the hole, the registration was then put on the nose. That ius what I am doing. J
installing an oil cooler seems to be a very sensible thing to do. My Peerless has an oil cooler installed in exactly the place as described by Jonathan, and it's doing a good job in cooling the oil (especially on longer and rapid motorway journeys which suit the car well). The front numberplate has been installed in front of the opening at a small distance and also slightly angled so that the air can pass well, and at the same time the modification can hardly be seen. I would recommend this modification also from previous experience in my other Triumph.
Yep as above + better not to obstruct the (water) radiator in the process as this defeats the object somewhat ! I think Nigel has set his up such that the air goes through the oil cooler then out under the car not through the radiator. The thermostat sounds like a good idea too.
My oil cooler came with an adapter that just bolts on where the old oil filter was attached to the engine and even lets you fit a modern type screw on filter instead of the old paper cartridge (not that these are expensive or hard to obtain at the moment).
This is what i needed, there's going to be an oil cooler on my car.
It'll be connected to a sandwich plate with an integrated thermostat, in between the filter head and the filter.
As i will have to keep the number plate in it's original place, i'm going to make an air duct in the bodywork below the number plate.
Almost invisible, and easy to let the warmed air out under the car.
I've found a cooler radiator at the scrapyard, which is 20" long, 3" high, and 2" thick, and does fit very nice, in combination with the original radiator.