Modern diesel has a higher percentage of biodiesel added, and that provides better lubricity than straight dinodiesel.
I've always used the cheapest derv I could find, nothing on the HP fuel side has ever been touched, and the mileage is now over 408k. The odd bottle of Forte injector cleaner has been added over the years - a total of 3 to date.
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Last edited by Mike Noc; 24th October 2020 at 08:00..
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