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Originally Posted by OkieRover
Last night's fill-up calculated at 15.5 mpg. My engine has 147,000 on it. I use Castrol 20w50 year around, changed every 3000 miles. I get the cheapest gas I can and use 87 octane. I try to remember to run a bottle or two of injection cleaner through it on every third oil change, just for fun.
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That's awesome 15.5 gal. What is in that Rover, the 4.2? Isn't that the higher compression engine?
