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high vs low compression pistons

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    #1

    high vs low compression pistons

    i am in the process of changing the forged high compression pistons to forged low pistons,does my h22a1 block need to be blueprinted again or kind the pistons be changed and block assembled again?this work is in my 92 accord wagon.the head is gettin a stage 3 head package.
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    #2
    Blueprinted again? If your gonna run high boost you need to sleeve the block. This topic has been covered a lot of times already.

    The New-ish Ride
    My old Ride
    Hear my Vtak!!!
    MK3 Member #3
    I piss off people for fun.
    IA 08 Sunburn Victim #1

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      #3
      Clearances will have to be checked.
      2003 Maxima SE Titanium Edition
      Polished Titanium ext, heated black leather int, heated leather steering wheel, HIDs, 255bhp, 6 speed, 15% tint.
      1993 Suzuki GSX1100F 136bhp

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        #4
        my block is rebuilt/sleeved w forged high compression pistons

        my mechanic said the pistons can be changed without blueprinting is this true?my h22a1 block is rebuilt,sleeved w/ forged 11:1 high compression pistons

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          #5
          It can be changed but lower comp might allow you to run slightly higher boost levels but sleeving the block is still safer since h22a sleeves are like the sleeves in the f22a.

          The New-ish Ride
          My old Ride
          Hear my Vtak!!!
          MK3 Member #3
          I piss off people for fun.
          IA 08 Sunburn Victim #1

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            #6
            h22a1 block has been resleeved with iron duct sleeves.

            when a machine shop rebuilds an h22a1 block with forged high compression piston,isn't resleeving part of the process.i mean what sense would it make to put forged 11:1 pistons in a block if it isn't resleeved.

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              #7
              You can throw in type s pistons without resleeving and give you 11:1 compression so the answer is no. Depends on what type of work he did to the motor. If the block is already sleeved then your set.

              The New-ish Ride
              My old Ride
              Hear my Vtak!!!
              MK3 Member #3
              I piss off people for fun.
              IA 08 Sunburn Victim #1

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                #8
                my mechanic said its a racing h22a1 block.

                the mechanic said at least $2000 worth of parts and work has been done.he pointed out to me the forged dome shape pistons(11:1).also,that all i needed to do was changed to some low comp. pistons and i can run high boost.

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