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are 35s OK with a 10-bolt

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Ross, May 10, 2001.

  1. Ross

    Ross Registered Member

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    I plan to get a six-inch lift and plan to put General MT 35s on my Blazer. I will try to get it off the road every weekend and I have 10-bolt axels. I know they suck but will they hold up to the mild off-roading that I will be doing. Thanks for the help.

    1986 white K5
     
  2. FRIZZLEFRY

    FRIZZLEFRY 1/2 ton status

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    I had 35s and a 6" on my 81 K5 and a 10 bolt front axle.I didnt abuse it or bash it too hard and it did fine.I used to go play in the mud and on the rocks every weekend and the only things I ever realy trashed was the ball joints.I just replaced it with a Dana 44 with an Auburn and 4.10s.Another thing that I think may have helped the 10 bolt last is that I put a Con Ferr super skid axle truss on it when I first got the truck.

    Proving once again that man CAN live on beer alone
     
  3. bigblue

    bigblue 1/2 ton status

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  4. muddin4fun

    muddin4fun 3/4 ton status

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    For street driving only.

    [​IMG]
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  5. thatK30guy

    thatK30guy 1 ton status Premium Member

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    They can be made to work, as long as you drive moderately. No hardcore, abusive type of driving with this combo, or you will be stepping up to the 14FF.

    I had an 86 short bed with 6" lift and 35" tires riding on front and rear 10 bolts. They had 3.73 gears in them and a Lock Right. They did ok and today they are still all together after a local kid bought the truck from me. Just moderate driving and playing, no hard stuff, and they will be ok.
     
  6. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    I have a 6" lift...and I used to have 36" tires on it (33 now). I off roaded with that set up on 10bolts. I never had a problem on or off road. Ran fine. But of course I wasn't much of a rock climber. I hit sand, mud and that type of thing. The only thing I was ever worried about was the gearing in those axles with that tire size and the tranny stress it was putting on it. When I went down to 33's it was because I was burning out my tranny. When I can afford too I will axle swap and gear swap. What all do you have gear wise...? I'd be more concerned of tranny damage then the axles if it's not major off roading.....

    "Suck Fumes Ford Boy"
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  7. UseYourBlinker

    UseYourBlinker 1 ton status

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    Depends on bad you thrash your rig. I have 10 bolts with 33's and I have chewed up the rear end twice now..I'm on the look out for better axles. I wouldn't go any bigger than 35's,just my .02



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  8. Emmettology 101

    Emmettology 101 3/4 ton status

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    As long as you are light on the throttle, you will be fine.

    Mike - <A target="_blank" HREF=http://emmett.coloradok5.com>http://emmett.coloradok5.com</A>[​IMG]
     
  9. flcpl4fn

    flcpl4fn 1/2 ton status

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    I have 38"/12.5x15 tsl swampers and i am running 10 bolts front and rear. I ride mine hard off road, but not on any rocks, cause we don't have any here in Florida. But in the mud, sand and some pretty steep hills and ditches. And I haven't had any problem with mine. But like someone said, you do need to use the trottle wisely(not WFO all the time). But I'm going to run mine till they break, then I will put something bigger in it.

    '85 Jimmy in Jax, Fl
     
  10. 6.2Blazer

    6.2Blazer 1/2 ton status

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    I ran front and rear 10-bolts for a couple of years on my Blazer, which was mostly used for trail riding (about once per month). The stock rear grenaded when it was still a daily driver so I upgraded it with a Detroit Tru-Trac, 4.10 gears, and heavy duty 30-spline axle shafts. I ran 33's for about a year and then ran 35's for about a year. I never had any problems with this setup, and while I never abused the truck it was used hard. In fact, I broke two front axleshaft u-joints and few other things while running 35's but the rear held up just fine.
     

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