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drivetrain teardown

Discussion in 'The Garage' started by freeflow, Feb 1, 2006.

  1. freeflow

    freeflow 1/2 ton status

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    ok so i got the 454 all torn down ready to be sent off 2 the machine shop.
    Now im tearing apart the tranny for a rebuild and i guess the tranny has been rebuilt before lol
    there was a finish nail holding the shift lever on lol.

    So what kits do u all recomend for rebuilding the tranny? its a 400

    im looking at a b&m RV/heavy duty transpak for better shifting, and a tci rebuild kit

    Should i add more clutches for harder shifts?

    thanks
    brad
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    The "finish nail" was actually the stock piece GM used, go figure. :)

    I've never been a big fan of B&M's trans stuff, the way they are put together is horrid from my experience, although I know some have had great luck with their stuff.

    Trans-go is what was always recommended to me by builders, even if their instructions are a bit "odd".
     
  3. boz42

    boz42 1/2 ton status GMOTM Winner

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    i second that opinion of B&M. i buy from BTE performance or TCI both are local to me, so i just drive down to the factory & pick it up.

    how much u need to beef up your 400 depends on how many ponys u plan on putting in front of it. me i like a lot , so i put a 4l60e 3rd gear drum & a new 36 element intermeadeate sprag & drum assembly in it.

    also full manuel reverse valve body(cause i like 1st & reverse to be near each other) not nessicarly makes it stronger but does improve shifts also.
     
  4. freeflow

    freeflow 1/2 ton status

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    ok so i should go with a tci rebuild kit
    and i think im gonna add more clutches for better/stronger shifts, i plan on building the 454 up 2 about 400 hp. would the stock gears hold up to that? if not where do i get the better gears and stuff?

    brad
     
  5. rustyear

    rustyear Registered Member

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    ive had a couple of trannys rebuilt and ive gone with tci with no problems and the local shop, which has been around for longer than i have, has used them for years also...but one of the keys to making your tranny live and be trouble-free is the torque converter...make sure you get a good one, this is not a part you want to cheap out on
     
  6. roadnotca

    roadnotca 3/4 ton status

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    A TH400 won't even notice 400 HP. Yes TCI with the Trans-Scat kit.
     

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