I'm looking to put larger tires on my stock 16" rims, i've been looking and found a couple of sizes I like but I am not sure if they will fit. They are: 285/75-16, or 275/70-16, has anyone used these sizes or something similar? Any input would be great.
Gino

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Gino Tedesco, '99 XLT 5.4l, SUPERCHIPPED, 4x4 S/C Flareside D.wedge bl/Dk.graph manik grlgaurd w/piaa lights

 

Both are probably too wide for your stock rims. Go to the website of the manufacturer in whose tires you are interested and look up the dimensions on the tires, they will include a range of rim widths recommended for each size.

 

BFG 285/75/16's will fit on the factory rims. According to BFG.

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98 F150 2WD,Bright Red, Regular Cab, 4.2, 3.55, Superchip, 3 Inch Bullseye Lift Spindles, Manik Grill Guard,Nerf Bars, Vent Visors, Fog lights, Kc Lights, Alpine CD Player, 2 Kenwood Amps, Tinted Windows. And Coming Soon: 3&1/2 Inch Fabtech Lift Kit, 16x8 American Racing Baja Wheels Wrapped With 33's

 

Thanks ccla,
I'm not crazy about BfGoodrich tires, I like the goodyears but they don't seem to have that tire for my truck, I think i'm going to try Generals, I had them on my 79 bronco and loved them.

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Gino Tedesco, '99 XLT 5.4l, SUPERCHIPPED, 4x4 S/C Flareside D.wedge bl/Dk.graph manik grlgaurd w/piaa lights

 

Gino,
absolutely you can put that size(s) tires on you stock 16" wheels. I have 265/75/16 on stock 16" and they look just like an ORP with the 17"wheels and 255's. but I have seen many truck running the 285's and they look great. Stock 16" wheels are 7" wide so they are plenty wide enough for that size tire. Let me know what you end up with.

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'98 F150 XLT SC 4X4 no ORP 5.4L,auto,3.55,white over silver,Mods so far; Better Built toolbox, 265/75/16 all terrain tires

 

DANFORDMAN.
Thanks, I'm leaning towards the 285's, just waiting for Ford to "straighten out" my wheel alignment problem. I'll keep you posted.

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Gino Tedesco, '99 XLT 5.4l, SUPERCHIPPED, 4x4 S/C Flareside D.wedge bl/Dk.graph manik grlgaurd w/piaa lights

 

Is there any problem with the computer prom chip once you change tire size? Obviously, the speedo is off. Does the prom chip need info from the tach and speedo combined, as they will differ now.

 

I'm not sure, I dont think so, but if anyone else knows differently, please let me know.

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Gino Tedesco, '99 XLT 5.4l, SUPERCHIPPED, 4x4 S/C Flareside D.wedge bl/Dk.graph manik grlgaurd w/piaa lights

 

The biggest tire that I am certain will fit stock rims is the 305/70/16. My friend has a set on his 97 4x4 sc lb. Everything else on his truck is stock.
I have mine mounted on 16x8 rims and my tires look wider.

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99 SC 4X4 5.4 ORP 3.73LS Lariat Black over Gold on Tan.
Mods-K&N FIPK,Superchip,Dual Flowmasters,Westin Nerf Bars, 305/70/16 GY M/T's, Extang Black Max Tonneau

 

I am currently running 285/75R16 BFG All-Terrains on my stock wheels, and they look great. I had to put a lift on my 2wd to make them fit (Fabtech 3 1/2") but they don't scrub and only a tad more tire whine than stock.