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1 ton Axles and Rim sizes Questions

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 87GMCJimmy, Jan 4, 2002.

  1. 87GMCJimmy

    87GMCJimmy 1/2 ton status

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    Ok, I'm thinking about getting 3/4 or 1 ton axles with the eight lug bolt pattern. The question I have are what rims sizes can I run and the problems with them. So far I'm not sure I want 16.5 rims because the blow the bead off when you air down and I like to run in the sand where airing down is manditory. I heard your can run 15 inch rims but you have to shave the calipers.If so how much? and is it safe? But what about 16 inch rims. Are there problems with them? Which rim sizes have the most tires available, the least? As you can see I really have no idea what is out there. Any advice is greatly appreciated!!

    Thanks
    Mike
     
  2. Boss

    Boss 1/2 ton status Author

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    You should really do a search. This topic has been covered a zillion times.
    Anyhow, brief overview: most tires choices are in 15" size. Then 16.5", then 16". 16" is exactly like 15", cept, it's 1" bigger and not as much options. No grinding necessary.
    15" grinding required, depending on how much backspace, more backspace, more grind, the less BS, the less grind. You got it covered with the 16.5"s though, either beadlock it or get a http://coloradok5.com/gallery/BeforeNAfter
     
  3. 87GMCJimmy

    87GMCJimmy 1/2 ton status

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    Thanks for the info. I had done a couple of searches before posting and didn't fine anything. Then after reading your post I went back and found out what I was doing wrong!!! It helps if I search more than the last week. DUMBA$$, proven to the world once again............
     
  4. Chaz88K5

    Chaz88K5 1/2 ton status

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    what i run is the one ton dana 60 with the single piston calipers (as far as i know only the fords had the duel) and i have 15" wheels with 3 1/4 back spacing...i had to grind maybe 1/8" off the calipers in the front...took about 20 mins per side...no big deal at all...if you run 16" you would not have to grind at all....the rear axle is not a prob with 15"...with the back spacing i have i dident have to make any mods. The type of wheels i am runnin are the stockton wheel bead locks.

    <font color=green>Chaz</font color=green>

    [​IMG]<a target="_blank" href=http://community.webshots.com/user/chaz88k5>http://community.webshots.com/user/chaz88k5</a>[​IMG]
     
  5. FatBoyBlazer

    FatBoyBlazer 1/2 ton status

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    i just put a 1 ton(14FF) in my blazer, can i use 15 inch rims????????

    hola
     
  6. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color=blue>Yes
     
  7. FatBoyBlazer

    FatBoyBlazer 1/2 ton status

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    even though i've got a true one ton rear end?????????

    hola
     
  8. wayne

    wayne 3/4 ton status

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    Yep. I have 15x10 with 4 1/8" backspacing on a true 1 ton big braked 14ff and on my Dana 60. Just don't ask how much I had to grind the front calipers.[​IMG] As far as safe goes it is my daily driver.

    See <a target="_blank" href=http://coloradok5.com/gallery/Waynes-Toy>Project Mighty Mouse</a> here.
    <font color=blue>Wayne<font color=blue>
    <font color=blue>Happy Trails<font color=blue>
     
  9. 84_Chevy_K10

    84_Chevy_K10 Banned

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    a 14 FF is a 14 FF. You can fit 15" wheels, no problem.

    Tim
    '84 Chevy K10, lifted, loud, fast, and 3/4 ton axles
     
  10. FatBoyBlazer

    FatBoyBlazer 1/2 ton status

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    would it just be eaisier to run 16's?

    hola
     
  11. Derf00

    Derf00 1/2 ton status

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    If you have 8 lug, 15" rims I would keep them and do the grinding. A D60 caliper is a huge hunk of iron and loosing a little of it to accomodate a 15" wheel won't hurt it. I chose to go with 16" rims for my 14/60 combo because I was running 6 lug 15" rims.

    Derf00
    1990 K5 Jimmy 350 Edelbrock Performer TBI, 6in BDS Lift, Dana 60, 4.56, Corp 14B Detriot, 16x10 AE 589's, 37x12.5 SSR
     

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