Last post on Jan 11, 2013 at 7:25 PM
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Fuel Efficiency (MPG), Fuel System, Automotive News
#23 of 24 Re: Top Tier Gas [steve_]
Oct 26, 2012 (12:18 pm)
Yeah, a year or 10K miles (a synthetic oil change or 2 dinos) sounds about right.
#24 of 24 Does Saving Pennies on Gas Put Your Car's Engine at Risk?
by Stever@Edmunds HOST
Jan 11, 2013 (7:25 pm)
"Mazor believes that the driving public has outdated notions about gas. Twenty years ago, only premium fuel had detergents in it. Back then, it was beneficial to occasionally buy a tank of high-test gas to clean the engine. Then, he says, "regulations were very lax and there was little enforcement. But all that has changed."
Likewise, Randy Stephens, chief engineer for Toyota's Avalon, isn't wholly convinced by the claims of engine protection afforded by higher-priced gas. He says fuel experts at his company study the effects of different brands of gas on the Toyota engines. Automotive engineers disassemble engines after 10,000 miles of running them on different brands of gas to see if there is a difference.
"Honestly, in the 10 years I've been in charge of Avalon, I've never seen one come back with any sort of deposit issue," Stephens says."
Is Cheap Gas Bad for Your Car?