What to "build" when building a th350 tranie

Discussion in 'The Garage' started by y5mgisi, Nov 26, 2002.

  1. y5mgisi

    y5mgisi 1 ton status

    Aug 11, 2002
    Likes Received:
    Portland Oregon
    What to \"build\" when building a th350 tranie

    When they say "i have a built th350 tranie", what exactly is it that certifies it as "built"??? /forums/images/graemlins/1zhelp.gif /forums/images/graemlins/truck.gif
  2. Leadfoot

    Leadfoot 1/2 ton status Premium Member

    Nov 28, 2000
    Likes Received:
    Western Massachusetts
    Re: What to \"build\" when building a th350 tranie

    It means different things to different people.
    To me: A good re-"built" tranny is more than just a shift kit and new converter (which some call "built"), you need to tear down and inspect every component. The bushings should be replaced if the mileage is high or not known. A stronger input sprag should be put in (one of the 350's major weak points), quality steels and frictions should be put in, a throroughly gone through valve body which appropriate mods (shift kit) to satify your driving habits, inspected/replaced front pump, and a high quality torque converter with torrington bearings instead of brass bushings.

    A good rebuild is not "cheap", but it's cheaper (not to mention a heck of alot less frustrations) than a failure in the middle of nowhere or with low miles due to a half-a$$ed rebuild.

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