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Roper · 01-29-2008, 07:02 AM

I havnt figgured out my mileage on paper but im guessing im getting 20mpg with my 87. I can go twice as far on a tank of fuel with it compared to my other truck. Its a FI350, 700R4 and 373 gears.
Seriousely I think you need a bigger motor and lower gears!

01-29-2008, 07:02 AM	#11
Roper Registered User Join Date: Feb 2005 Location: Alberta Posts: 248	Re: Better fuel mileage from 87 305 TBI? I havnt figgured out my mileage on paper but im guessing im getting 20mpg with my 87. I can go twice as far on a tank of fuel with it compared to my other truck. Its a FI350, 700R4 and 373 gears. Seriousely I think you need a bigger motor and lower gears!