Quote:
Originally Posted by dillywho
Many people think that the gas carts are too smelly. That is because too many people do not know NOT to put regular gas in them. The higher the octane, the hotter it burns. Small engines require the higher octane. Not only do they run cleaner, but smoother. I did not know this until my niece's husband, who works will all kinds of engines, told us. Since then, we only get the higher octane....big difference!
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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.