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Title: Royal Purple 20W50
Review: Not as smoothe as the 10W40 i use in the summer months but my tech recommends for the winter months and in Arizona the weather can reak havoc on your oil. So if the tech says its a good option i will give it a try. Well it is not as quiet as the 10W40 but still pretty good no clutch slipping or any issues. Just not as quiet as other viscosity.
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