CoolBlueSS Posted May 23, 2005 Report Share Posted May 23, 2005 Not sure if this belongs in here, but seemed like as good a place as any. I'm thinking of making the switch to synthetic oil. I've been using Castrol conventional for years, and have been very happy with it. I know Mobil 1 is the oldest of the synthetics, but is it the best? Or is there really a difference between synthetics? Is there that much of a difference over conventional, beit performance, longevity, gas milage, whatever. Any input would be appreciated. Thanks. Quote Link to comment Share on other sites More sharing options...
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