fuel economy/mpg

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01-27-2008, 12:31 AM

LORETTA

Thread Starter

Join Date: Jan 2008

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Posts: 5

fuel economy/mpg

1989 300ce is there anything - additive or device that can boost the mpg on this car? i'm getting 18 mpg, would likea little more. HELP.

01-27-2008, 12:36 AM

chassis221

Senior Member

Join Date: Feb 2007

Location: Philadelphia, Pa

Posts: 2,691

RE: fuel economy/mpg

tune up, air filter, more air in tires, less stuff in the trunk, higher octane gas, all should help.

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