Engine Noise Level

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 Start Engine and allow car to warm up to normal operating temperature( normally 5 minutes) Open your bonnet and listen to your engine carefully. Try to note as many type and level of noise created by your engine. Off your engine and add REVO to your engine. Rev your engine to 3000 rpm for 20 secs. This will allow REVO to mix well with your engine oil. Now compare the noise level and be AMAZED!

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