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2.73 Axle Ratio Poll

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BB454, Jun 9, 2000.

  1. BB454

    BB454 1/2 ton status

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    Location:
    Gauteng South Africa
    Just been wondering how many of us use 2.73 ratio axles ?

    BB454
    IF IT DOES NOT HAVE 8 PISTONS - IT'S BROKEN !
     
  2. Andreas

    Andreas 1/2 ton status

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    Location:
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    I had one 2.73 12bolt rear on my Blazer-80 with 35" tires. Slow acceleration ? YEP ! But when I got the thing up to cruising speed it was really comfortable[​IMG]. Then, after a while, the "ears" holding the u-joint on my rear driveshaft expanded and started to squeak. To much stress turning those tires with that ratio I guess[​IMG]. Oh well....I was new to this whole Blazer thing and had no clue about ratios at all.

    Andreas

    406cui of pure sh*t[​IMG]
     
  3. Brady

    Brady 1/2 ton status

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    Parachute,Co
    Good for stock 235p75 tires no good for anything taller!My wifes sub has 3:73's and 33's my blazer has 4:10's and 33's.The wife's has an auto and a rebuilt 400 mine has a rebuilt 305 and 4 speed.Hers will out acclerate on take of but get mine in 3rd and I'm gone!Both cruise great.Brady
     
  4. River

    River 1/2 ton status

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    Location:
    Amstelveen, Netherlands
    I have 2.73 gearing to with 33", 700R4 and a 350.
    I think with the automatic transmission it`s a little to much i hardly use overdrive. Thinking of chancing to 3.42 or 3.73 not higher becuase i like the low rpm on th highway`s.

    Greetings from Amsterdam,

    River
     

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