69vitesse Posted January 11, 2014 Share Posted January 11, 2014 Heat causes the oil to break down.Control the heat and most oils are perfectly good enough.Remember: Triumph used to offer an OEM oil cooler for 'continental motoring', aka, long fast runs on motorways etc, back before we had lots of dual carriageways and motorways. Average speeds have increased over the decades. An oil cooler is now, as it is on most new cars, a must have. Quote Link to comment Share on other sites More sharing options...
Tim Bancroft Posted January 11, 2014 Share Posted January 11, 2014 Totally agree with 69Vitesse on this one, I have stat controlled oil coolers on all of my cars. Essential purchase to my way of thinking. Quote Link to comment Share on other sites More sharing options...
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