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Reply to "Diesel oil"

stringent viscosity retention requirements ?

Probably why they load those oils up with so much VII's . To last the interval of 20-30k miles . It's sure not an ester or PAO thats keeping it from shearing with these mineral 40wts

They stay ingrade in pick-up truck diesel cause they run like 5-6k miles . Big sumps and low low rpm compared to cars .

I can't see the reason for it in modern OHC gas engines. Stuff is thick like glue at 30f no matter what the 15w part leads to believe and can do harm depending . 10w-30 counterpart not all that much better at same ambient .

Even Redline recommends against using their diesel oil in gas engines .

Consumers always right Razz
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