increase fuel economy with oil change ?
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18 year old speed freak
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increase fuel economy with oil change ?
Well ... there are reports of 40% better fuel economy in big *** SUV's and olds mobiles using 0W-30 oil. I wonder if we can switch over and use 0W-30 ? Anyone have any ideas where I can buy 0W-30 ? and how much it'll cost ? I searched the web and there are allota good news about improved fuel economy and stuff ,but nothing about where to buy it ?
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#2
18 year old speed freak
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it is said this oil can be changed every 35,000 miles too ... very interesting .. only problem it is synthetic and I heard rotaries don't like synthetic ?
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