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Alternative Trans?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ARAMP1, Aug 16, 2006.

  1. ARAMP1

    ARAMP1 Aviator Extraordinaire

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    HERE is the article.
     
  2. BKinzey

    BKinzey 1/2 ton status

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    Yep it's an alternative. Has it's pluses and minuses.:rolleyes:
     
  3. sweetk30

    sweetk30 professional hooker Premium Member

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    great info. and if you want to build one of these with chevy power it will help ya out.

    4x42.5 ton2.jpg
     
  4. Jackedup86GMC

    Jackedup86GMC Registered Member

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    Where did you get that pic? That 2 1/2 is great. That would definately be fun.
     
  5. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Upside, cheaper than an NV4500
    Downside, no adaptors available and the OD isn't that great IMO. 0.85:1 isn't really enough of an overdrive to make a meaningful difference.

    My old SM465, 4.56's with 37's...2690 rpm @ 65 mph
    3053A, 4.56's and 37's...2287 rpm @ 65 mph
    NV4500, 4.56's and 37's...1961 rpm @ 65 mph

    I did look into the Spicer before committing to rebuilding the NV4500 though.
    The cruise rpm difference was the deciding factor for me, seeing as both were going to be a fair amount of work.

    Rene
     
  6. sweetk30

    sweetk30 professional hooker Premium Member

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    1 truck. 1 trailer for same truck. 1 extra set of frt hangers shackles and springs. then remove all rear parts. cut frame to length. install all other parts. and 1 set of 52" tires. bam you have 4x4 2.5 ton.
     
  7. Jimbo*

    Jimbo* 1/2 ton status

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    I stole some pics of a truck just like that 2.5 ton with trailer that just sold on ebay-- only difference was it didn't have a winch and it was on 12.50X20 XL's. Ya reckon there's two of them out there? I love the idea, and would like to build one with a cummins 5.9.
    Jimbo
     
  8. sweetk30

    sweetk30 professional hooker Premium Member

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    thats the one i just saw and was very tempted to go grab it. as i am close to there. just didnt have a drop deck lowboy semi to get it.
     

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