I agree... and actually, Ford's front fill isn't synthetic either.. just the rear.
The front is 80w/90 dino, and the rear is 75w/140 syn. The heavier weight oil would probably hurt you for windage losses.
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2006 F250 4x4 6.0 Auto Super Cab 8 Foot Bed
Bone Stock, for now... '05 Harley Grille, Chrome Tow Hooks, Headlights
Rhino Liner, Full LED running lights, HID headlights
More on the way
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