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Another axle? Can 10 bolts handle 35" tires if I gear correctly?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shum1, Dec 2, 2000.

  1. shum1

    shum1 1/2 ton status

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    Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    Boy, nothing comes easy with a 1/2 ton. Will moving down to 4.56 gears and using synthetic lube alleviate the stresses of 35" tires or am I just wasting time and money?
     
  2. rock.monkey

    rock.monkey 1/2 ton status

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    Re: Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    I think the weakness in the 10 bolt lies mainly with the carrier. Not to mention the c-clip axles.Do you have 28 or 30 spline axles? I run 35's with my 10 bolts and 3.42 gears, the only problem i've hade is with the crappy GM gov.lock posi's.

    Bill Innes
    88' Jimmy
    [​IMG]
     
  3. Jason73K5

    Jason73K5 1/2 ton status

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    Re: Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    It all depends on how hard you drive it. Eventually, these axles will take a dump on you, but you should be able to get quite a bit of use out of them. I ran 35's with 3.08's in my 10 bolts for about 3 years, doing lots of mudding and smoking the tires with no breakage.
     
  4. shum1

    shum1 1/2 ton status

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    Re: Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    Ya, I've got a 1990, I'm not sure how many splines. No locker. It was just rebuilt before I bought it. I'm in a delema, Ive got 3.73 now and 31's I wouldnt mind a little better towing power. Dosent seem that there will be much diff if I go to 35" and 4.56. Are 4.88 an option?
     
  5. Stephen

    Stephen 1/2 ton status Moderator Vendor

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    Re: Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    4.88's shouldn't be a problem, they'll put your 80mph cruise RPM at about 2700, but that's about all. That's assuming you have a TH700 in it. It should be pretty nice to tow with. Gear strength should be ok, every bit lower you go with the gears loses strength, but if you're not pounding it off road you should be fine. If you do pound it off road, save your money for something beefier.

    SW-ORD
     
  6. shum1

    shum1 1/2 ton status

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    Re: Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    Thanks alot, I was thinking more like a 2300 rpm 65mph cruz. But 80mph sounds fun though.
     
  7. MudFrog

    MudFrog 1/2 ton status

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    Re: Another axle? Can 10 bolts handle 35\" tires if I gear correctly?

    Hey Rock.Monkey,
    How exactly is the gov loc crapping out on you?

    89 K5 Silverado
    http://mudfrog.coloradok5.com
     

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