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Razor blade in GY MT - Advice?

Mr_Scoutmaster

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*Click click click* sound coming from the tires. Probably just a rock (as usual), will check it once I get home.

Ford Bronco Razor blade in GY MT - Advice? IMG_2004


Yikes! Full drywall blade embedded in the tread, nearly flush (1/2 inch at least, not quite up to 3/4 inch). Pretty deep. Soap test is good. TPMS monitoring drive to work, still good.

26k miles and 3 years on the OEM tires. I was hoping to get at least 35k out of them before springing for KO3s.

Options? Might buy some vulcanizing tire seal and slap it on there as a start. I could put the spare on but I haven’t run 5 tire rotations, so it still has full tread. Could get a shop to match the wear down on the spare? Anyone run into this before? I almost wish it was losing pressure so I could just go buy new BFG tires but my wife would probably give me the eyeball. Don’t really want to run the spare outright unless I can match tread depth - not sure if that will put strain on anything over the long run.
Ford Bronco Razor blade in GY MT - Advice? IMG_2005
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Roger123

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PWillette

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me three
 

VirginiaHeritage

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Personally, I wouldn’t run that on the highway at 70-80 mph. That’s past the tread and hard to tell how deep into the plies it is. Given that it’s at the shoulder, it will eventually fail, and maybe blowout.

(Edit: A nail or screw wouldn’t concern me. This isn’t that. )

If it gets noticed during safety inspection, they might fail you anyways. At least in some states.

If you don’t want to buy a new set, shave your spare to match and mount it. Make the cut one your new spare and consider pre-emptively patching it under the slice.
 
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Headsong

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Never ask how.....
Had a three inch sheet metal screw embedded...now how...oh, never ask how.

I'd not worry a moment about that razor blade.
 

broncobase1

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Its hard to know how much of the cord is damaged. Personally I would keep running it and keep an eye on it. This is on the tread, not the sidewall. It looks like you have a lot of tread left, pretty good for 30K miles.
 

Old Codger

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We've been running KO3s in the 33" diameter on my wife's JLU Rubicon for a couple of years and really like them. The 315/70 R17 Sasquatch sized KO3's are currently only available in load range F2 designed for very heavy electric trucks. They've got 35 x 12.50 R17 in load range D2 KO3's coming in Q1 26 according to Discount Tire. I'm running D2 Goodyears on my 2Dr Wildtrak and don't find them any harsher than the original equipment load range C's. Might be worth waiting, as everyone has suggested. I would have put KO3s on the Bronco when I replaced the OEMs if they had been available back then.
 

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Mr_Scoutmaster

Mr_Scoutmaster

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We've been running KO3s in the 33" diameter on my wife's JLU Rubicon for a couple of years and really like them. The 315/70 R17 Sasquatch sized KO3's are currently only available in load range F2 designed for very heavy electric trucks. They've got 35 x 12.50 R17 in load range D2 KO3's coming in Q1 26 according to Discount Tire. I'm running D2 Goodyears on my 2Dr Wildtrak and don't find them any harsher than the original equipment load range C's. Might be worth waiting, as everyone has suggested. I would have put KO3s on the Bronco when I replaced the OEMs if they had been available back then.
What do you think about Mickey Thompson Baja Legend EXPs? These or the Yokohama Geolandar AT/4s are my other two choices.
 

Old Codger

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I don't have any experience or knowledge with either so can't offer up anything meaningful. I'm sure there's others on here that know.
 

GnormalGnome

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Just consider it extra 'siping'. 🤣
That corner will now have just a little better grip in wet/icy conditions.

I've done and seen much worse.
If it's not leaking, I'd probably just ignore it.

But if you're concerned, take it to a quality tire shop and ask them to unmount it and do a thorough inspection. Key word there, though, is Quality. Be aware that some shops will take that opportunity to scare (hard sell) you into getting new tires. A quality shop will give you an honest evaluation and then let you make up your own mind. They can also make recommendations on making the spare usable long-term.

Good Luck!
 

Brian_B

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I pulled a 3" 1/4" bolt out of my Mickeys on day after a colleague noticed it sticking up out of the tread. I probably put 120 miles on it before it was noticed, hadn't lost any air pressure at all.

I swapped to the spare once it was pointed out, and did have it repaired as it had gone all the way through - but I put another 40k miles on that tire no problems.

That hasn't punctured anything - so long as it doesn't cup off a big chunk of the tread at some point (at which point I still don't think it will explode or even lose air, just maybe start to vibrate / out of balance), yeah I'd keep running it.
 

AZ_Liberty

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Normal transfer case, I would throw the spare onto the Right Rear and use that as a spare.

Advance transfer case, I'd shave down the spare first.
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