Muscle car oil? - The Supercar Registry

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12-17-2009, 04:30 AM

70 Forest Green Zee 70 Forest Green Zee is offline

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Re: Muscle car oil?

Mark...the reason Rotella has reduced zinc levels now is due to the fact emission standards changed for diesel engines and they are now required to have a catalytic converter now. I went out a couple years back and bought all of the old Rotella I could find with the high level of ZDDP and zinc.....I'll be good for several more years.

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