Well, a chip set up for enhanced mileage would get a bit better mileage... Lonnie Doll at Blue Oval Chips has had real good results with his chips and /or the SCT flasher. the driveability is enhanced as well. Another thing to do is get a fuel pressure guage, and adjustable regulator to set the fuel pressure a tad closer to spec.......Too high fuel pressure will waste some gas. Plugs and wires dont last that long on the pre '99 lost spark systems, and need to be maintained to get optimum mileage. Also keeping the tires inflated to 36 to 40 lbs will stretch the gas a bit further too. Quite a few people have noticed Citgo gasoline doesnt yield as high mileage as other brands, and is a point to consider as well.
__________________ http://oldog.bloggoing,com/ 
'95 T-Bird, 5.4 L, supercharged
300 RWHP @ 5250 rpm
13.6 sec 1/4 mi. 
'99 Taurus
P&P intake/heads
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