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Have a question on tranny's and rear ends

Discussion in 'The Garage' started by GMCREBUILD, Dec 11, 2004.

  1. GMCREBUILD

    GMCREBUILD Newbie

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    I am currently trying to rebuild my 84 GMC High Sierra, It has a 6in lift and i recently swapped the stock 305 with a 400 small block. what are some good tranny and rear end combonations that would go good with this ol truck to haul firewood in the hills or just cruisin down the highway???
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    With stock size tires I'd say TH400 and a 14 bolt rear with 3.73's or 4.10's. Won't get you the best gas mileage, but it's a strong combo that should last a long time behind that 400.

    My two cents...

    Rene
     
  3. rjfguitar

    rjfguitar 3/4 ton status GMOTM Winner

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    14BFF rear and a th400 like said above.
     

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