Quote:
Originally Posted by Daox
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I wouldn't be game enough to extend my oil change interval by too much, but then I run a 90s IDI diesel, the fast buildup of soot in the engine oil is a major concern. My fathers ford 6 cylinder petrol engine runs on lpg only, and hasn't had an oil change for 4 years now
, obviously lpg burns cleanly and doesn't contaminate the engine oil much at all, the fact that he doesn't drive it very often no doubt helps here!
When I had the bypass filter hooked up to my Toyota 2.4 T.D. (another IDI soot producing engine), the oil visually stayed cleaner for longer, probably about twice as long compared to pre bypass fitment.