How big a tire can you fit under the bed where the spare goes on a stock rim?

 

That has been something I wanted to know for a while now

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98 F-150XL 4x4
black over silver
4.2L V-6

 

i think 285" is the biggest you can go. Not sure though.

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1999 super cab
white with tan bottom
automatic
4.6L v8
BFG AT TA KO 265/75
WAAG grillguard
2 KC daylighters
vampire remote start combo alarm
steelhorse nerf bars
Husky chrome toolbox
4 pioneer 3 way 6x8's
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wants: 2 chamber flowmaster dual exhaust
tan fender flares
american racing atlas
2" fabtech suspension leveling kit

 

I've got a 34/11.50/17 sitting underneath my truck right now. Not sure what that equates to (285, 275) and it fits snug, but fine.

S

 

You may also want to consider whether or not you plan to add a receiver hitch in the future. A big spare and the hitch may not be compatible.

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97 150 SC 4x4, 4.6L, 3.55, 265/75R16, First Ford truck, Bought used 4-00 with 55,500 miles, Molded Ford mud guards (front), Class IV Receiver hitch, Delta Truk Pockit toolbox, Bed mat, Ventshade Stepshields

 

Got the trailer towing package as well

S

 

I have got a 285/75/16 under mine, and no signs of being too tight. That equates to about a 33. Evidently you have about one more inch before things get tight.

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Regards,
Ron

 

I have a hitch but it isn't a factory hitch. I'm gonna get 265 75 R16s and just wanted to make sure the spare would fit. Maybe even 285 75 R16s they sure looked nice on Roland's truck!