FORD 2011 F-150 v.1 - Manual (Page 449)

Exclusive use of E85 (Flex Fuel Vehicles only) - 6.2L engine
(Harley-Davidson™, Lariat Limited and SVT Raptor)
Every oil change interval – If ran exclusively on E85, fill the fuel tank full with
regular unleaded fuel
Scheduled Maintenance Guide
449
2011 F-150 (f12)
Owners Guide, 1st Printing
USA (fus)