Does putting the premium gas in your vehicle really help your vehicle in the lon

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   Faith Reaperposted 10 years ago

   Does putting the premium gas in your vehicle really help your vehicle in the long run?
   
   Do you know whether putting the high dollar gasoline in your vehicle is really better for your vehicle or are you just paying more money for gasoline?

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   sheilamyersposted 10 years ago

   Each person seems to have their own opinion. Most of the car guys I know say we should use the higher octane. However, I go by what the owner's manual says. I use what is recommended by the manufacturer. Whether or not it's true, they say using the higher octane all of the time can damage the engine.

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      Faith Reaperposted 10 years agoin reply to this

      Hi Sheila, thank you so much for answering and that is a wise thing to do for sure!

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   M. T. Dremerposted 10 years ago

   I know very little about cars, but I'm under the impression that cruder gasoline leads to build-ups in the engine (like the fuel injector). These can be cleaned with gasoline additives bought at the store, but I think the idea is that the better stuff prevents that kind of build-up, thus extending the life of the engine.

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      Faith Reaperposted 10 years agoin reply to this

      Hello M.T. Dreamer, Thank you for answering. Yes, it would seem to prevent so much build up. That makes sensem

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   Larry Wallposted 10 years ago

   The octane rating of gasoline is a measurement of the efficiency of the burn. Gasoline is draw into the cylinder, it is push up by the cylinder, where it is ignited, pushing the cylinder down. With multiple cylinders, this is all coordinated via the timeing sequence. Therefore, if you put high octane gasoline in a car were a lower octane is rated, you are not going to get more power or miles per gallon. In fact the efficiency of the car's performance may be harmed because the higher octane gas may ignite to soon, thus putting the strokes of the cylinders out of sync. Using low octane fuel in a car designed for high octane fuel will to the same thing, except, the combustion stroke may fall behind.
   Using the wrong octane is what usually results in the knock and ping you hear in a car. The knock is more of a rattling sound. Ping is like something tapping inside the engine.   I use to work for the oil and gas industry. I had this discussion with several engineers over the years. Now on my own experience, I will sometimes fill my tank half with regular and half with the higher octane, in order to get the cleaning effect. I only do this once in a while and only if the car is acting sluggish.

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      Faith Reaperposted 10 years agoin reply to this

      Wow, Dear Larry, how interesting! You have provided great insight here and I appreciate you taking the time to answer. Makes a lot of sense. Have a great weekend!

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      Larry Wallposted 10 years agoin reply to this

      Thank you.
      Larry

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      Faith Reaperposted 10 years agoin reply to this

      You're welcome and I appreciate the great answer.  Love your new profile pic too.  Hope all is well with you and yours.

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