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Tires fitting wheel width, where are the specs on tire

691 Views 4 Replies 3 Participants Last post by  starquestbd22
I'm on search overload. I've read many places that specific tires have a spec that they can fit specific wheel widths. Where can i find that spec? what does it look like?

I have 16x8" rims, and I'd like to put 315/75 16r on them. More specifically:

Falken Wild Peak A/T
or
Falken Rocky Mountain ATS
or
General Grabber AT2 Studdable (are these good for hot weather also?)

Follow up question--- If I can't fit these, wher can I find some 16x10 wheels that aren't a fortune? I'm spending a bunch on a lot of work right now, and trying to lower some costs.
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If you are looking for it on your tire I don't think it's on there. You can find that info on the tire manufacturer's website.

According to their sites the Wildpeak is safe for 8-11" wheels. Strangely enough I couldn't find anything about the Rocky Mtn on their site but I would think it would be the same. The Grabber is listed as safe for 8-10" wheels. I wouldn't have thought you could put a 315 on an 8" rim but I guess the big sidewall lets it pull in enough to fit. It's gonna have the stuffed, marshmellow look.....nothing wrong with that, just that some folks like it and some don't.
 

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Are your stockers 245/75 or 265/75? Going from 245/75 to 315/75 will make your speedometer read 13.59% too slow. At 60MPH it will read about 53MPH. Going from 265/75 to 315/75 will make it read 9.35% too slow. At 60MPH it will read about 55MPH. I'm not certain but I assume the odometer takes it's information from the same system....if so, your truck will start to rack up miles on the odo at the corresponding slowed rate. Not necessarily a bad thing...just something to keep in mind. Also, a 315/75 is basically a 35x12.50. Will that tire fit on your truck? I have no idea about the pre-2002 models.
 
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