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Werner · 10-05-2019, 02:12 PM

Hallo!
"Rotella" oils are some of the few engine oils Shell manufactures specifically for diesel fuels. Unlike the same 15W/40 shell oil for gasoline engines, Rotella blends contain an increased proportion of high pressure additives, other cleaning additives, and less corrosion inhibitor / TBN neutralizer.

It's no problem to use Rotella in old-fashioned petrol engines. But there are no benefits. On the contrary. This results in more combustion residues and the lower corrosion protection / antixidants require shorter replacement intervals.

10-05-2019, 02:12 PM	#10
Werner Senior Member Join Date: Jan 2019 Location: Germany, near Aachen Posts: 1,157	Re: ROTELLA 15W 40 Oil Hallo! "Rotella" oils are some of the few engine oils Shell manufactures specifically for diesel fuels. Unlike the same 15W/40 shell oil for gasoline engines, Rotella blends contain an increased proportion of high pressure additives, other cleaning additives, and less corrosion inhibitor / TBN neutralizer. It's no problem to use Rotella in old-fashioned petrol engines. But there are no benefits. On the contrary. This results in more combustion residues and the lower corrosion protection / antixidants require shorter replacement intervals. __________________ Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version