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Thread: 315-70-17 tire fitting question?

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  1. #1
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    Quote Originally Posted by cjriojas View Post
    I am not sure it is safe to run 315s on stock wheels. Max recommended for stock wheels is 285 which is equal to 11.22 inches. 315 = 12.4 inches. Your wheels are 9 inches so get another set of rims. As far as height, dont try to shove them on. Get a beefier suspension setup.

    EDIT: Its not the height to worry about, its the width.
    +1 315 tires are to big to run on stock wheels, it can be dangerous.
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    Quote Originally Posted by cjriojas View Post
    I am not sure it is safe to run 315s on stock wheels. Max recommended for stock wheels is 285 which is equal to 11.22 inches. 315 = 12.4 inches. Your wheels are 9 inches so get another set of rims. As far as height, dont try to shove them on. Get a beefier suspension setup.

    EDIT: Its not the height to worry about, its the width.
    Quote Originally Posted by lechez71 View Post
    +1 315 tires are to big to run on stock wheels, it can be dangerous.
    he can run a 12inch wide tire on a 9inch wide wheel with no problems, Ive seen people running 14inch wide tires on 8inch wide rims and never have a problem except wearing the centers out of tires real fast but to each his own.

  3. #3
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    Quote Originally Posted by Duntz View Post
    he can run a 12inch wide tire on a 9inch wide wheel with no problems, Ive seen people running 14inch wide tires on 8inch wide rims and never have a problem except wearing the centers out of tires real fast but to each his own.
    And when something happens and he has to turn very abruptly, a bead pops, and he rolls his truck... We'll all say, Duntz said it was cool to do it.

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    Quote Originally Posted by pl4yboy View Post
    And when something happens and he has to turn very abruptly, a bead pops, and he rolls his truck... We'll all say, Duntz said it was cool to do it.
    x69169134680148704130

    Just because he can, doesnt mean its a good idea. True that some 315 tires will fit. BUT........manufacturers have specifications for a reason. They didnt just come up with it on a whim. Get with the manufacturer of both the rim and tire to see what fits best.
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  5. #5
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    Quote Originally Posted by pl4yboy View Post
    And when something happens and he has to turn very abruptly, a bead pops, and he rolls his truck... We'll all say, Duntz said it was cool to do it.
    unless he will be running very low air in them tires he won't pop a bead off on the street, Ive been running 285's on my stock rims for 2 years now and have yet to pop a bead off the rim. I am also planning on stepping up to 305's shortly and will be running the same stock rims thats on it now.


    maybe yall need to start actually looking stuff up before jumping to conclusions, according to this site ALL TERRAIN KO - BF GOODRICH @ NTW and BF Goodrich you can run a 315/70/17 on a 9in wide rim

  6. #6
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    Quote Originally Posted by Duntz View Post
    unless he will be running very low air in them tires he won't pop a bead off on the street, Ive been running 285's on my stock rims for 2 years now and have yet to pop a bead off the rim. I am also planning on stepping up to 305's shortly and will be running the same stock rims thats on it now.


    maybe yall need to start actually looking stuff up before jumping to conclusions, according to this site ALL TERRAIN KO - BF GOODRICH @ NTW and BF Goodrich you can run a 315/70/17 on a 9in wide rim
    I'd have to agree with this.

    There are guys that run 315's on a stock rim. For those who don't know stock rims on some of our trucks are 16x7. That's a HUGE difference. I didn't say it was safe or that I would do it, but there are guys pulling big trailers and driving 60,000 miles a year like that.

  7. #7
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    Quote Originally Posted by Duntz View Post
    unless he will be running very low air in them tires he won't pop a bead off on the street, Ive been running 285's on my stock rims for 2 years now and have yet to pop a bead off the rim. I am also planning on stepping up to 305's shortly and will be running the same stock rims thats on it now.


    maybe yall need to start actually looking stuff up before jumping to conclusions, according to this site ALL TERRAIN KO - BF GOODRICH @ NTW and BF Goodrich you can run a 315/70/17 on a 9in wide rim
    I guess I'm the only person around here who thinks about the safety issues involved then.

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  8. #8
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    Quote Originally Posted by Duntz View Post
    unless he will be running very low air in them tires he won't pop a bead off on the street, Ive been running 285's on my stock rims for 2 years now and have yet to pop a bead off the rim. I am also planning on stepping up to 305's shortly and will be running the same stock rims thats on it now.


    maybe yall need to start actually looking stuff up before jumping to conclusions, according to this site ALL TERRAIN KO - BF GOODRICH @ NTW and BF Goodrich you can run a 315/70/17 on a 9in wide rim
    Well i wasnt really sure if the tire would fit. I did do some research yesterday and found that 315 nitto DRs are smaller than typical 315s and fit fine on 9 inch wheels which is why i said to make sure with the manufacturer. Like i said, the max RECOMMENDED for stock rims is 285. I have no reason to push that recommendation but, again, some 305s are smaller. The consumer has the last call. Please make the wisest decision.
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

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    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

  9. #9
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    Quote Originally Posted by pl4yboy View Post
    I guess I'm the only person around here who thinks about the safety issues involved then.
    Quote Originally Posted by cjriojas View Post
    Well i wasnt really sure if the tire would fit. I did do some research yesterday and found that 315 nitto DRs are smaller than typical 315s and fit fine on 9 inch wheels which is why i said to make sure with the manufacturer. Like i said, the max RECOMMENDED for stock rims is 285. I have no reason to push that recommendation but, again, some 305s are smaller. The consumer has the last call. Please make the wisest decision.
    I guess I am one of the unsafe people because I don't plan on putting aftermarket wheels on mine anytime soon, all my play money goes to my woods truck which I will be pulling on a trailer behind my 2000 GMC with the 285's and will pull the same load with it on 305's or 315's which ever I think will fit after I install my torsion bar keys.

    Which don't get me wrong Id love to buy a set of new wheels for it but unless I find a sweet deal on some used aftermarket 16x8's Ill stay with my stock wheels for now.

  10. #10
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    Quote Originally Posted by Duntz View Post
    I guess I am one of the unsafe people because I don't plan on putting aftermarket wheels on mine anytime soon, all my play money goes to my woods truck which I will be pulling on a trailer behind my 2000 GMC with the 285's and will pull the same load with it on 305's or 315's which ever I think will fit after I install my torsion bar keys.

    Which don't get me wrong Id love to buy a set of new wheels for it but unless I find a sweet deal on some used aftermarket 16x8's Ill stay with my stock wheels for now.
    Its your life, not mine. If you want to be reckless with your life, that's cool, but don't give out information to others so they can unknowingly risk theirs. At least state the safety hazards.

    1969 Chevy RCLB C10 350/TH400 SOLD
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