XJ6 & XJ12 Series I, II & III 1968-1992

GAS GUZZLER!!! HELP!

 
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Old 03-06-2006, 06:12 PM
Max
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Default RE: GAS GUZZLER!!! HELP!

Changing to synthetic oil will slightly improve gas mileage, about 2%. Fill tires to the max pounds recommended in the vehicle manual.
 
 
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