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h22a1 pistons in f22a1?????

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    #1

    h22a1 pistons in f22a1?????

    woundering it is possible!!!!!!
    Tags: pistons
    #2
    http://www.cb7tuner.com/vbb/showthread.php?t=150096






    Comment

      #3
      no i have crack ring lands on my f22a1,i am trying to use h22a1 piston on my f22a1 rod i know the wrist pin are the same but will i have problem with head contact?

      Comment

        #4
        That link answered your initial question. Until you explain in detail what it is you want to know, we cannot help you.






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          #5
          They will not fit the F22A1. The H22 is 87mm bore, while the F22 is 85mm. While you can probably bore an F22 to 87mm, you will have EXTREMELY weak sleeves. It is very much NOT recommended to do so.

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            #6
            thats funny because i ran 86 mm pistons in my f22a1 , had no problem, this is my thrid time rebuilding it i was running a turbo set up i keep cracking ring lands left and right i know the h22 is 87mm ill have to boar, the rod on the f22a1 is longer? right? wouldnt be a problem

            Comment

              #7
              Originally posted by donnie View Post
              thats funny because i ran 86 mm pistons in my f22a1 , had no problem, this is my thrid time rebuilding it i was running a turbo set up i keep cracking ring lands left and right i know the h22 is 87mm ill have to boar, the rod on the f22a1 is longer? right? wouldnt be a problem


              It doesn't matter if the rod is longer if you're still using your F22 crank, assuming the wrist pin height on the pistons is the same.

              Oh, and please do let us know how boost and an 87mm stock sleeve F22 block works out for you.

              Comment

                #8
                Don't you also have the problem of pistons designed for frm sleeves being put in standard sleeves? I thought they had a special expansion rate or something.

                Comment

                  #9
                  the point is im getting rid of my turbo kit! i dont want a slug(cb7) want to build a alright motor so im going use cheap stocks! i usally build B seris ls/vtec crap like that but f seris i new one on me

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                    #10
                    i was running 12 lbs

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                      #11
                      Originally posted by donnie View Post
                      the point is im getting rid of my turbo kit! i dont want a slug(cb7) want to build a alright motor so im going use cheap stocks! i usally build B seris ls/vtec crap like that but f seris i new one on me
                      Why use cheap stock pistons and risk nuking a sleeve? You don't have to be boosted to trash a sleeve at 87mm on an F22. Honestly, I'd get a set of Bisimoto pistons ($469, forged, 10.5:1, 86mm bore), rather than take all the risks associated with running at 87mm.

                      But it's your money.

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                        #12
                        ok well is there another 86mm piston i can use ??? better than 8.8.1

                        Comment

                          #13
                          Originally posted by donnie View Post
                          ok well is there another 86mm piston i can use ??? better than 8.8.1
                          Originally posted by LlamaGoblin View Post
                          Why use cheap stock pistons and risk nuking a sleeve? You don't have to be boosted to trash a sleeve at 87mm on an F22. Honestly, I'd get a set of Bisimoto pistons ($469, forged, 10.5:1, 86mm bore), rather than take all the risks associated with running at 87mm.

                          But it's your money.
                          As LlamaGolin stated you can go with a 86mm with a 10.5:Cr, which is higher than 8.8:1.
                          Bisimoto Engineering
                          1) Call 1-888-9BC-MOTO(888-922-6686 ext. 1) Mon-Fri 9am-6pm PST
                          2) Email me, robert@bisimoto.com
                          3) Contact me on AIM, robert@bisimoto.com

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