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Anyone Running 33x 10.5 with stock suspension?

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by suspectdon, Apr 2, 2007.

  1. suspectdon

    suspectdon 1/2 ton status

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    Is anyone running 33 x 10.5's??

    I have stock susp. with 1 inch zero rates in the rear.

    Any one running something similar? i f so post or send pics.

    I've read the " what would my truck look like with xxx tires" and found nothing like this on a first gen.


    thanks,
    Richard
     
  2. LucasJ03

    LucasJ03 1/2 ton status

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    I don't have any pics but I put 33x10.5 BFG AT's on my dads 71 truck with a 2" block in the rear and 1.25 longer shackles in the front with all stock springs and they don't rub at all.

    Lucas
     
  3. suspectdon

    suspectdon 1/2 ton status

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    Did you buy the shackles? or did you make them your self.

    was the 1.25 the finished lenght or the amount of lift added?
     
  4. LucasJ03

    LucasJ03 1/2 ton status

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    I made them but offroad desighn sells them also. 1.25 is how much longer the shackle is
     
  5. suspectdon

    suspectdon 1/2 ton status

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    Can I make a 2 3/4" lift block for the rear out of aluminum??
    or does it need to be steel? ( re-measured the lift block in the rear its 3/4" )

    and I also have 3/16" steel to use? good enough or should I go with 1/4" inch?

    Any hints/links on buying longer u-bolts for the rear??

    Richard
     
  6. LucasJ03

    LucasJ03 1/2 ton status

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    Your local auto parts store should have 2" and 3" block lift kits with ubolts. For the shackles I would use at least 1/4 or 3/8 thick by 2" strap then cut to length and round the edges.
     
  7. 69TowRig

    69TowRig 1/2 ton status

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    I have 32x11.50 MT/Rs on mine, stock sagging suspension and zero rubbing. I'm certain that 33x10.50s would fit just fine. I really want to put a small lift on it for the look (and new springs):

    [​IMG]

    [​IMG]
     
  8. suspectdon

    suspectdon 1/2 ton status

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    Towrig - The tires look great!! is your truck a street going beast as well?



    so I checked out the 3 inch lift at the local store....
    way cheaper than making my own... and buying new ubolts and hardware...... $28 for the kit...

    I'll start on the front shackles soon

    do I need to change the rear pinion angle? with the 3 inch blocks?
    ( i'm using the 3" becasue I already have 3/4" and I like the look)

    I'm thinking of making the fronts 1 1/2 longer to offset the 3" rear blocks
    or machine the blocks down 1/4 inch. waste of time??

    This is just so I can buy new tires this summer and drive the truck before I get new springs.
    I don't really feel like buying anohter set of tires when I can afford the springs I want.
     
  9. 69TowRig

    69TowRig 1/2 ton status

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    It's being (very) slowly rebuilt and will eventually serve as a beach/weekend cruising/towing boat to the lake type of rig. I won't wheel it, other than some rust issues (which compared to what I have seen are VERY minor) the sheetmetal is completely straight.

    A shackle lift for the front? I wouldn't do it, your caster angle will get all out of whack making steering it that much more fun, not to mention it will point the pinion down on the front diff and mess up the driveline angles.
     
  10. suspectdon

    suspectdon 1/2 ton status

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    but its only 1.25 longer will it mess with in that much???
     

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