High Grade
Posted in Watches on 07/30/2009 09:18 am by adminWill high grade gas cause overheating?
I've been using mid-grade gas (Shell) in my car since I bought it. It has 115700 miles today. If I switch to Shell Plus which is a high grade gas, will it harm the engine in any way? Will it cause overheating due to the higher octane level?
Is it better to use mid grade gas instead?
Higher octane gas does not cause overheating or is it harmful to your car. Added cost of high octane gas will increase your operating costs. If you are not running a high performance engine stay with the mid grade gas as you will not notice any significant difference in performance. If you are still in doubt check owners manual as this will give you information on gas best suited for your engine.
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