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4.56's

Discussion in 'The Garage' started by Swanson52, Jun 6, 2002.

  1. Swanson52

    Swanson52 1/2 ton status

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    4.56\'s

    Too much with tires measuring an actual 33" tall with overdrive? A lot of highway driving, but my Blazer has a gutless diesel, and is pretty sluggish. TIA
     
  2. little79k5

    little79k5 1/2 ton status

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    Re: 4.56\'s

    i would stick with 4.10's with a 33" tire. 4.56's would be a little much in my opinion, you would be turning some very high rpms on the hwy.

    keith
     
  3. cegusman

    cegusman 3/4 ton status

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    Re: 4.56\'s

    I run 4.11 with 36" tsl/sx's with a 6.2l diesel and it is just perfect.
     
  4. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    Re: 4.56\'s

    i have 36x12.50 TSLs and i'm goin to 4.56 so i don't think you need them, PM mudbogAD he has 4.56s and 35" that are actually 33" tall.
     
  5. kpanza

    kpanza 1/2 ton status

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    Re: 4.56\'s

    I have 4.56 gears with my 35 BFGs that actually measure 34", and I think it is perfect. Of course I have a 350 TBI, not the diesel...in Overdrive at about 65, I am usually turning like 2300 or so I think...much better than the 1800 rpm I used to turn before with 3.73s!
     
  6. Swanson52

    Swanson52 1/2 ton status

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    Re: 4.56\'s

    What I am mostly concerned about is the fact that the diesel barely gets out of its own way. I could tolerate 2300 rpm on the highway in exchange for a little better performance. I am currently either rolling with 3.08 or 3.42 gears and 31's, and the performance (in my opinion) is awful.
     
  7. little79k5

    little79k5 1/2 ton status

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    Re: 4.56\'s

    4.88's aren't going to make up for the lack of power. the only time your really going to notice a big difference is under acceleration. to much gear is a bad thing, it can make a vehicle seem "gutless" if that makes any sense.
     

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