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7.50 tires

Discussion in 'Flat Fender Tech' started by GreenGhost, May 15, 2012.

  1. May 15, 2012
    GreenGhost

    GreenGhost Never give up!

    Linglestown, PA
    Joined:
    Apr 6, 2008
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    289
    I want to mount a 7.50x16 tires on my flatty. I planned on using the factory 16x4.5" wide rims, but the guy at the tire shop said I should have atleast a 5" wide wheel. I know the Army used the 7.50 tire on their desert Jeeps and I think they were still using the 16x4.5" rim. I don't think that half an inch will really make that big of a difference but I could be wrong. Thanks for the help.
     
  2. May 15, 2012
    oldtime

    oldtime oldtime

    St. Charles,...
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    Aug 14, 2006
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    2,707
    M38-A1 used a 5.00 x 16" Kelsey Hayes wheel.
    It is the same as the HD wheel that first became available on CJ-3B.
    When 6.00 or 6.50 x 16" tires were installed the 4.50 x 16" HD KH wheel was used.
    When 7.00 x 16" tires were installed the 5.00 x 16" HD KH wheel was used.
    When 7.50 x 16" tires were installed on late vintage Willys PU's the 6.00 x 16" HD KH wheel was used.
    See related info: http://z4.invisionfree.com/CJ3B_Bulletin_Board/index.php?showtopic=3457&st=0
     
  3. May 15, 2012
    GreenGhost

    GreenGhost Never give up!

    Linglestown, PA
    Joined:
    Apr 6, 2008
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    289
    Thanks that what I was looking for. Now I need to find some wider rims:(
     
  4. May 15, 2012
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member

    Tantallon, Nova...
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    I just mounted 7.5 NDCCs on K-H 4.5x16's, looks fine to me.

    H.
     
  5. May 15, 2012
    oldtime

    oldtime oldtime

    St. Charles,...
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    I also prefer to have my wheels a tad on the narrow side because the bulged sidewall protects the wheel lip.

    But I would use 5" wide rims for 7.50 x 16" tires.

    I believe Harry Sheets in Indiana has the 5" wide and possibly still has a set of 6" wide KH wheels.
     
    Last edited: May 15, 2012
  6. May 16, 2012
    garage gnome

    garage gnome Rust polisher

    Western MA
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    Jun 19, 2009
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    2,043
    You can use the narrower wheels. It acts like a bead lock. Thats why I have a tire machine and mount wheels myself. ;)
     
  7. May 19, 2012
    sterlclan

    sterlclan Member

    exploring the...
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    3,153
    im running 235 85 16 on a 5 inch rim no issues as of yet
     
    Last edited: May 19, 2012
  8. May 23, 2012
    w3srl

    w3srl Semi-homeless in Florida Staff Member

    Port Orange, FL
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    Nov 6, 2002
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    3,959
    I don't think a 1/2 inch difference is going to cause any issues. I ran 7.00x15 NDT tires on stock CJ-2A rims for years with no issues.

    Keep a close eye on the tire pressure, a narrower rim may cause a bit more wear in the center of the tread. If you start to see this, back the inflation pressure down a bit to even up the contact pattern. With a 1/2" difference I doubt it will be an issue.
     
  9. Jun 2, 2012
    1960willyscj5

    1960willyscj5 Well-Known Member

    Mesa, Arizona
    Joined:
    Nov 27, 2006
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    2,794
    Maybe a new tire shop?

    Discount asked if I wanted 30x9.5x15 mounted on my Samurai wheels. I don't remember the width on those, but I do know they are much narrower than the rims that I have 30x9.5's mounted on. Those tires need replacing, because the cacti around here will hole the side walls if you don't watch where you are going. I didn't.
     
  10. Apr 5, 2013
    gary0006

    gary0006 New Member

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    Apr 5, 2013
    Messages:
    2
    I tried the same size combo at the tire shop but it would not mount, you need a 5.5 wide wheel or wider.



     
  11. Apr 5, 2013
    Bill F

    Bill F Finally running

    Hillsboro NH
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    Sep 22, 2002
    Messages:
    562
    Just to correct one thing M38 and m38a1 used 16x4.5 the turcks used 16x5. I am going to be running 215 85 r16 cooper st's on my jeep this year.
     
  12. Oct 9, 2013
    Canadian 62

    Canadian 62 Member

    Kelowna BC
    Joined:
    Jul 6, 2006
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    61
    I used 7:50 x 16 mounted on thin rims used for a temp spare tire when off roading in my TJ. Worked great, never came off the rim at low pressure and never hit a rim on a rock. Not sure what size the rim was but it was thin! Have a set mounted on my CJ5 but using Jeep truck rims that I think are 5 inch wide. Used the stock 4.5 rims for my military trailer with 7:50 x16 and the worked fine. I would mount one and see what you think before you buy another set.
     

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