Posted by LJD on December 16, 2011 at 09:20:19 from (75.250.238.113):
I read in the news this morning that California wants to limit frequency of oil changes.
Yeah, I agree that probably a lot of oil is wasted by too many changes. But do we want a bureaucrat to tell us when?
The head of a California Auto Club stated the following. Seems kind of dumb and ill-informed to me. Somebody needs to tell this guy that aluminum blocks and pistons also expand. In fact, more then cast-iron. Besides, what the heck has metal expansion got to do with oil changes? Modern engines can go longer intervals because they burn cleaner, not because of metal expansion rates. Cleaner due to low-lead fuel and microprocessor controls.
Here's the head dunce's statement . . .
"The 3,000-mile oil change just says that the marketing campaign by quick-lube companies has been effective," said Steve Mazor, manager of the Auto Club of Southern California's Automotive Research Center. It made sense years ago, when "we had cast-iron block engines with cast-iron pistons that would expand when they got hot and older lubricants," Mazor said.
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