i have a 01 f150 standard cab longbed 4.2 with a 5 speed and a 3in body lift. i was wondering if 315 75 r16 would make the truck too sluggish and should get 305 70 r16 instead. i plan on getting cooper st tires just dont what size to get

 

have a 01 f150 standard cab longbed 4.2 with a 5 speed and a 3in body lift. i was wondering if 315 75 r16 would make the truck too sluggish and should get 305 70 r16 instead. i plan on getting cooper st tires just dont what size to get

 

Both are gonna make the V6 sluggish unless you regear.