Forum Discussion
Explorer1016
Apr 07, 2015Explorer
My 2008 F 550 with the 6.4 PSD comes in at 8.0 to 8.5 without towing. My situation may be different than yours though. I have the 4x4 version, 4:88 gear ratio and the 19,500 GVWR.
The lighter E series van chassis without 4 wheel drive and the higher axle ratio should come in about 10 mpg
The lighter E series van chassis without 4 wheel drive and the higher axle ratio should come in about 10 mpg
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