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Money Leaks: Buying Premium Gasoline
Posted By Jim On 09/22/2011 @ 7:24 am In Cars | 13 Comments
I have a friend who absolutely loves his car. It’s not a fancy car, it’s just new to him and he treats it like his baby. He takes very good care of it, gets it washed once a week (more if he gets it dirty), and is generally a very caring owner. He also fills up with premium gasoline because, well, he thinks the gas is “better.” The only problem is that, just like his once a week car washes, he’s leaking money like crazy. While it’s debatable whether or not you really need to wash your car once a week, it’s almost certainly a leak if you go to a car wash, putting premium gasoline into a car that doesn’t need one is completely unnecessary. It’s as bad as putting regular unleaded into a car that demand premium.
Is premium gasoline better? “Yes.” Yes is in quotes because it’s better at handling compression. The higher octane means it can be compressed more before exploding. Cars that require premium gasoline will compress the gasoline to much higher PSI before igniting it. If you put regular unleaded into a premium gasoline engine, it’ll misfire. The fuel will ignite before the engine is ready and that’s the reason you’ll hear “knocking.”
If you want to treat your car better, avoid driving like a maniac , which increases wear and tear (and carpool!).
(Photo: robbn1 )
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 Money Leaks: http://www.bargaineering.com/articles/tag/money-leaks
 Higher octane: http://www.bargaineering.com/articles/high-octane-gas-myth.html
 avoid driving like a maniac: http://www.bargaineering.com/articles/money-leaks-driving-maniac.html
 robbn1: http://www.flickr.com/photos/robbn1/4055602858/sizes/l/in/photostream/
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