big tires on highboy

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Mar 7, 2004 | 08:15 PM

74hiboyboy

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From: Rocky Mountains, MT

big tires on highboy

I have a '74 highboy, and I was wondering what the largest tires that can be put on with no mods are.

Any info or experience is appreciated.

Mar 7, 2004 | 08:25 PM

aaron o.

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i bought a highboy once that had the military goodyears on it. i think they were 36's, no mods on truck.

Mar 8, 2004 | 06:56 AM

72f100

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depends, How willing are you to cut the fenders? If not 33's will fit w/ ease, 35's will fit but I wouldn't go much more than that w/o a lift or cut fenders.

Mar 8, 2004 | 10:16 AM

red_rocket

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Joined: Jul 2001

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From: Tower MN, Houghton MI

back in the late 70's my dad had 35x14 gumbo mudders on his stock 75' highboy, they fit stock. Ive seen another one clear 36x12.50's on it just fine, stock. Some people say 38's fit, but I imagine it would require some trimming.

Mar 8, 2004 | 02:02 PM

74hiboyboy

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From: Rocky Mountains, MT

Thanks all, that's what I wanted to know.

Thanks, Jason

Mar 8, 2004 | 06:26 PM

78f3504x4

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From: Whately, Ma

36s stock, 2" lift 38s.

Mar 9, 2004 | 11:51 AM

Levergun

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From: Athol, Idaho

My 72 is a highboy and it has 35x12.5x16.5" on it. It does rub on the sterring arm at full turn, but not bad.

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Mar 16, 2007 | 08:29 PM

pigfarmerdk1

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From: Manteca, CA

35' tires

I know this is an old thread but just wanted to put my 2 cents in. I had a 71 Highboy with 35 12.50x16.5, and they fit ok. But when I jumped the truck the rear parts of the fenders hit and bent a little. Was'nt to bad but the paint cracked. They jusy bowed in abought 1.5'' in ward, On the front fender rear side.