Need better fuel mileage

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74 Shortbed

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Mmmm, I take it the mileage issue has been resolved..:happy175::happy175:
 

twinturbo427

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Apr 7, 2014
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Florida
First Name
Phil
Truck Year
1987
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Suburban
Engine Size
350
My fuel mileage is usually about 2 hours, and then I need to refuel.

But....since I am an old fatty, no biscuits and gravy for me. Egg whites and prunes gasses me up!
 

DoubleDingo

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Right where I am
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Bagoomba
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1981, 1965
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81-C20 Silverado Camper Special-TH400-4.10s; 65-C20 with 4:57 gears and Borg Warner Overdrive
Engine Size
Carb'ed Vortec 350; 1972 L48 350
Mine is roughly 3 hours, but Crusty Biscuit has OD.
 

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