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Originally posted by milefile
I buy ten bucks worth.
actually its more economical to buy smaller amounts at a time rather than filling her up to the limit....
30 gallons is HEAVY and a greater load for your car to handle, it uses a lot of fuel just to carry the fuel....seems silly to me...i always fill up £10 at a time, thats about 12 gallons (i think)...the fuel lasts longer.