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h22 lsd tranny or f22 tranny

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    #1

    h22 lsd tranny or f22 tranny

    have mild work done on my cb7.h22 head with brian crower springs retainers,ported head.skunk2 70mm trottle body,skunk2 pro intake,skunk2 cam gears,dsm 440cc injectors,dsm 14b turbo,msd,chipped p28 ecu,mabey a few other things.the question i have is,should i wait to put the lsd tranny in until i up grade to t3/t4 turbo?lmk what u guys think.thanks
    Tags: imag0284
    #2
    I have a buddy with almost the same build as you running on a t2t4 lsd tranny in a CD chassis. He's making 200hp.

    I'm running a H22 type s with a F22 gear speed built LSD tranny in a CB chassis.

    From a dig, I can pull a car head of him. When he shifts into 3rd, I'm still in 2nd at 6k. He falls further back when shifting into 3rd.

    But if we were in the freeway, I'm sure from a roll, he'll walk me right away with his short gears.

    Comment

      #3
      you will benefit from an LSD tranny.
      I am assuming you know why, because you bought one.
      Throw it in man.

      and to jimy, you have a friend with a boosted h22 only throwing 200hp?
      very interesting, is it a very very verymild tune.
      I was seeing close to 250 with the all f22 and 250k miles.
      MadLab Racing
      Southern Maryland

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        #4
        Longer gears are often better for turbo. Short gears require shifting ina shorter period of time, so the turbo has less time in boost. When you shift, you have to spool the turbo again in the next gear. The F22 gearing is actually better. Though the LSD will certainly help you put the power to the ground.

        With all that work done to your engine, I would get rid of that little 14b blowtorch. Small turbos create heat, and heat destroys engines. It's one thing to blow an old F22A that's on the way out already, but you have money in yours... it'd be a bad idea to blow it up!






        Comment

          #5
          Originally posted by drummersteve7 View Post
          you will benefit from an LSD tranny.
          I am assuming you know why, because you bought one.
          Throw it in man.

          and to jimy, you have a friend with a boosted h22 only throwing 200hp?
          very interesting, is it a very very verymild tune.
          I was seeing close to 250 with the all f22 and 250k miles.
          Sorry, I missed read that. He's all motor. Same built head minus the turbo.

          But Deev is right. Longer gears helps keeps the turbo in boost longer. But its all in how the tune is done and what turbo you are using.
          Last edited by jimy; 09-07-2010, 09:07 AM.

          Comment

            #6
            F22 tranny for sure. Big difference between 2nd-3rd gear.
            '92 CB7 H22a M2B4

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              #7
              something about both axles spinning controlled versus just one. hmmm!
              MadLab Racing
              Southern Maryland

              Comment

                #8
                For street performance especially... I think I'd go with the LSD over the non-LSD, even if the gears are shorter.






                Comment

                  #9
                  thanks guys for your help.its really a toss up between the two trannys.think im gonna put the lsd tranny in and see how it does.if i dont like it will swap back to the f tranny.when i upgrade the turbo.i will do the same.thanks again guys

                  Comment

                    #10
                    If the turbo isnt' installed yet, the LSD tranny will DEFINITELY be more fun with the N/A motor.

                    It'll be fun with the turbo, too... but depending on when the turbo reaches full spool, it could be frustrating. You'll hit max boost and then have to shift, needing to spool it up again! A good quick-spooling will compensate for that quite well, though... as will a small turbo like a 14b, but then you're looking at heat issues (and potential engine damage...)






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