Quote:
Originally Posted by Shimpy
He is totally wrong. First, high octane doesn't burn hotter, but is slower to ignite which high compression engines need so as not to knock. The higher the compression of the engine the higher octane it needs. Your golf cart is far from a high compression engine and should use only regular or 87 octane. Using high test gas in an engine designed for regular will lead to carbon deposits. It's a popular belief that "high test" means hotter, more energy, more performance, but that isn't true. It is simply an octane which slows down the ignition of the gas in the combustion chamber so as to not allow early firing in the chamber to cause knocking and engine damage.
If in doubt always look into your owners manual. The engineers who built your cart are pretty smart and you can believe them when they say use reg. gas.
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Gasoline is basic stock additives make the octane ratings. Nearly all engines made today are Low compression engines. IMO there would no need for higher octane gasoline for the average grocery getter.
Why do you think golf cart gas station sell none ethanol gasoline?
Your right people will believe what they want. If they want to run higher octane in their equipment above the MIMIMUM rating there nothing wrong with that. The owner manual states the required minimum octane gasoline to be used. Higher octane can be used that for sale on the market at gas stations at higher price if so desired. Now would I go buy avgas, racing fuel, or Nitro, No! there would be no benefit using that high octane is basis design mass produced engine.