Quote:
Originally Posted by Ross R75
I've read quite a few accounts of KV6 oil cooler failure Simon, on 75/ZTs and on Freelanders. I would definitely call it a weak point.
As for being necessary, it depends what you consider to be a necessity. Cooling the oil in an effort to lengthen service life of 10w-40 semi-synthetic oil by keeping it in viscosity range for longer may have been necessary in the minds of the powertrain designer. With my car never going over 4000 miles between oil changes and always using synthetic oil, I see the oil cooler as being far less necessary.
It appears to me that nothing good can come of leaving it on the car. I'm definitely open to education if I'm wide of the mark though.
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Bit late to this 3 year old party, but I feel compelled to point out that two of my 3 75s are presently suffering from failed oil coolers...
One's an early type on a Cowley Connie, and the other is on a late Mk1 powered by a ZT 190 engine that came from a manual car. Fitted to a manual car too, so two myths exploded as far as I'm concerned. They are a weak point, and they were fitted to manual cars. I'm bypassing both while awaiting new items.