OK guys I am a newbie here so I may be asking a repetitive question.


Based on what I have read, the Toyo A/T 305-55r20 should fit my 2005 f150 king ranch 4x4 with a leveling kit. Is this correct? Will this larger tire affect the shifting/gearing or speedo. Can those problems (if any) be fixed with a programmer such as the Edge.

Should I go with 305-50r20 which are a similar diameter to the 275-65r18 OEM's?

Thanks

 

I'd go with the 305/55-20's. They are slightly taller than your OEM tires, but the 305/50-20's are slightly shorter (I believe. You can check the manufacturers websites for exact height). You should have no problems as long as you don't get a really wide wheel with shallow backspacing.

 

Thanks for the info.

What about the speedo and gearing. I

 

You are so close to stock with either combo I wouldn't worry about it.