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Whats the difference in

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by daleearnhardt01, Mar 21, 2003.

  1. daleearnhardt01

    daleearnhardt01 1/2 ton status

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    a Shift Improver Kit and a Transpak from B&M? The only thing I see is that you can hold shifts and downshift whenever with the Transpak but it says it doesnt work for a 700R4.
     
  2. Highlander

    Highlander 1/2 ton status

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    I don't the differnce right off hand, But I used a Shift Improver Kit.


    Eric
     
  3. sled_dog

    sled_dog 1 ton status

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    a transpak only works on 4L80Es which weren't in trucks till umm 95 I believe. I know it wouldn't have worked on my dad's 94 K2500. Skift Improver Kit is an actual shift kit that you change parts inside the tranny, the TransPak is just for electronically controlled transmissions, it does the same stuff a shift kit does but it just changes the computer to do it without opening the tranny.
     
  4. captain chaos

    captain chaos 1/2 ton status

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    way back in my 2wd day's, i bought a transpak for my 400.
    it consisted of 3 kit's in one
    rv towing
    street strip
    full race
    you just picked witch one you wanted to install.
    stret strip in the 2wd was great.

    dave
     
  5. TorkDSR

    TorkDSR 1/2 ton status

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    welll....summit says ~~The B&M Transpak creates new shifting characteristics by re-routing fluids through your valve body. Each kit includes three options: RV/Heavy Duty, High Performance Street, and Full Competition. RV/Heavy Duty is for towing, off-road, or other heavy duty use. You get firmer shifts and full manual control on the downshifts, and normal automatic operation when in "drive." High Performance Street gives you quicker and snappier shifts than RV/Heavy-Duty. Full Competition features higher shift points and very hard shifts~~ the only thing it says in the tech part is that 'full competition' wont work in a 700 teh full competiton actually changes your shift points. the i think the only thing different is that the kit comes with a filter.... i think.

    i just did the b&m shift improver kit, and seperating the old gasket from the valve body was the worst part... just make sure to put the accumulator pistons back in correctly...that could double the time it takes /forums/images/graemlins/smirk.gif
     
  6. daleearnhardt01

    daleearnhardt01 1/2 ton status

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    I thought so, Ill just go with the Shift Improver. /forums/images/graemlins/thumb.gif
     
  7. daleearnhardt01

    daleearnhardt01 1/2 ton status

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    Another question then, I did a search but wasnt satisfied, what setting do yall like better: street/strip or RV/HeavyDuty? I dont anything too wild.
     
  8. sled_dog

    sled_dog 1 ton status

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    oops sorry I was obviouslly thinking of the way wrong thing. Hmm now I have to figure out what the thing I was talking about is called.
     
  9. captain chaos

    captain chaos 1/2 ton status

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    i'd try rv/heavy duty, not as harse a shift.

    dave
     
  10. TorkDSR

    TorkDSR 1/2 ton status

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    i did street strip, there is less wear on the clutches
     
  11. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    mudbogad has the street/strip one and doesn't really like it anymore. when he had 4.56s and 35s he could chirp into 2nd. now with the 39.5s its just annoying. i'm gonna get the rv/heavy duty one.
     

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