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| Human hearing test |
Human hearing test can be conducted in the following manner.
NOTE:- Turn off your Air Conditioner during the test and ensure your surrounding is not too noisy for you to note the noise level of your engine clearly |
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Start Engine and allow car to warm up to normal operating temperature( normally 5 minutes) |
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Open your bonnet and listen to your engine carefully. Try to note as many type and level of noise created by your engine. |
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Off your engine and add REVO to your engine. |
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Rev your engine to 3000 rpm for 20 secs. This will allow REVO to mix well with your engine oil. |
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Now compare the noise level and be AMAZED! |
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