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**truckster** · 09-09-2014, 10:03 PM

That 250 has to work pretty hard to push a heavy, box-shaped truck around. The 396 had plenty of torque, so it wasn't working nearly as hard.

Smaller displacement doesn't always mean better fuel mileage.

09-09-2014, 10:03 PM	#5
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,813	Re: Gas Mileage is poor That 250 has to work pretty hard to push a heavy, box-shaped truck around. The 396 had plenty of torque, so it wasn't working nearly as hard. Smaller displacement doesn't always mean better fuel mileage.