[DeTomaso] Tapered ring compressor

Ken Green kenn_green at yahoo.com
Sat Jul 1 12:14:57 EDT 2017


Does anyone make a ring compressor with a tapered overlap and lever to close it over the rings?
Ken

      From: Thomas Törnblom <tipo874 at gmail.com>
 To: Thomas Törnblom <tipo874 at gmail.com> 
Cc: Detomaso Email List <detomaso at detomasolist.com>
 Sent: Saturday, July 1, 2017 5:12 AM
 Subject: Re: [DeTomaso] Tapered ring compressor
   
  I should have said that it has a slit, not that it is sliced.

  [1]https://m.summitracing.com/parts/sme-90a3900

  1 juli 2017 kl. 09:02 skrev Thomas Toernblom <[2]tipo874 at gmail.com>:

  I have two of these fixed size compressors, 4" and 4.030 but had to get
  another one for my new 4.040 pistons. This time I bought an adjustable
  compressor. It looks just like the other ones but it is sliced and has
  a big hose clamp around it to set the size. I haven't tested it yet but
  I hope it will work just as well as the other ones.
  Thomas

    1 juli 2017 kl. 02:31 skrev Will Kooiman
    <[3]will.kooiman at gmail.com>:

      Hi Guys,

      I am slowly putting together a 427FE engine for my Cobra.  I'm
    taking

      my time because the 428 that's currently in the Cobra is running
    great.

      At any rate, my ring compressor was giving me fits.  I have a
    fairly

      nice, old school, ring compressor that consists of several bands
    and a

      pair of special pliers that compress the bands.  The pliers have a

      catch.  You squeeze it, pop the piston in place, and then release
    the

      catch.  Pretty simple.  Only it doesn't actually work that well.

      So, I bought one of those tapered ring compressors.  Holy crap this
    is

      easy.  The piston slides in so smoothly, you don't even have to tap
    it

      with a piece of wood (bottom of a hammer).  You can just push the

      piston in the hole.

      Never, ever use any other tool to install pistons.  You have to buy
    one

      for each bore size, but how many bore sizes do we really use
    anyway?

      I'm also using really thin, standard tension rings.  If I recall

      correctly, they're only 1mm.  I'll check tomorrow.

      Btw, it's actually going to be a 482.  I had to buy a crankshaft,
    so I

      bought new.  It's cheaper to buy a stroker crank than it is to buy
    an

      original stroke.  An original stroke crank is also special order.

      Plus, the CR math works out that a flat top gives me 10-1
    compression

      as a 482.  If I stayed with a 427, I would have to use pop-ups.

      I'm still working on the Pantera.  I just thought you'd appreciate
    this

      public service announcement.  Jack - you should do an article on
    these.

      Will.

    _______________________________________________

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References

  1. https://m.summitracing.com/parts/sme-90a3900
  2. mailto:tipo874 at gmail.com
  3. mailto:will.kooiman at gmail.com
  4. mailto:DeTomaso at server.detomasolist.com
  5. http://server.detomasolist.com/mailman/listinfo/detomaso
_______________________________________________


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-------------- next part --------------
   Does anyone make a ring compressor with a tapered overlap and lever to
   close it over the rings?
   Ken
     __________________________________________________________________

   From: Thomas TAP:rnblom <tipo874 at gmail.com>
   To: Thomas TAP:rnblom <tipo874 at gmail.com>
   Cc: Detomaso Email List <detomaso at detomasolist.com>
   Sent: Saturday, July 1, 2017 5:12 AM
   Subject: Re: [DeTomaso] Tapered ring compressor
     I should have said that it has a slit, not that it is sliced.
     [1][1]https://m.summitracing.com/parts/sme-90a3900
     1 juli 2017 kl. 09:02 skrev Thomas Toernblom
   <[2][2]tipo874 at gmail.com>:
     I have two of these fixed size compressors, 4" and 4.030 but had to
   get
     another one for my new 4.040 pistons. This time I bought an
   adjustable
     compressor. It looks just like the other ones but it is sliced and
   has
     a big hose clamp around it to set the size. I haven't tested it yet
   but
     I hope it will work just as well as the other ones.
     Thomas
       1 juli 2017 kl. 02:31 skrev Will Kooiman
       <[3][3]will.kooiman at gmail.com>:
         Hi Guys,
         I am slowly putting together a 427FE engine for my Cobra.  I'm
       taking
         my time because the 428 that's currently in the Cobra is running
       great.
         At any rate, my ring compressor was giving me fits.  I have a
       fairly
         nice, old school, ring compressor that consists of several bands
       and a
         pair of special pliers that compress the bands.  The pliers have
   a
         catch.  You squeeze it, pop the piston in place, and then release
       the
         catch.  Pretty simple.  Only it doesn't actually work that well.
         So, I bought one of those tapered ring compressors.  Holy crap
   this
       is
         easy.  The piston slides in so smoothly, you don't even have to
   tap
       it
         with a piece of wood (bottom of a hammer).  You can just push the
         piston in the hole.
         Never, ever use any other tool to install pistons.  You have to
   buy
       one
         for each bore size, but how many bore sizes do we really use
       anyway?
         I'm also using really thin, standard tension rings.  If I recall
         correctly, they're only 1mm.  I'll check tomorrow.
         Btw, it's actually going to be a 482.  I had to buy a crankshaft,
       so I
         bought new.  It's cheaper to buy a stroker crank than it is to
   buy
       an
         original stroke.  An original stroke crank is also special order.
         Plus, the CR math works out that a flat top gives me 10-1
       compression
         as a 482.  If I stayed with a 427, I would have to use pop-ups.
         I'm still working on the Pantera.  I just thought you'd
   appreciate
       this
         public service announcement.  Jack - you should do an article on
       these.
         Will.
       _______________________________________________
       Detomaso Email List is not managed by POCA
       Posted emails must not exceed 1.5 Megabytes
       DeTomaso mailing list
       [4][4]DeTomaso at server.detomasolist.com
       [5][5]http://server.detomasolist.com/mailman/listinfo/detomaso
       To manage your subscription (change email address, unsubscribe,
       etc.) use the links above.
       Members who post to this list grant license to the list to forward
       any message posted here to all past, current, or future members of
       the list. They also grant the list owner permission to maintain an
       archive or approve the archiving of list messages.
   References
     1. [6]https://m.summitracing.com/parts/sme-90a3900
     2. mailto:[7]tipo874 at gmail.com
     3. mailto:[8]will.kooiman at gmail.com
     4. mailto:[9]DeTomaso at server.detomasolist.com
     5. [10]http://server.detomasolist.com/mailman/listinfo/detomaso
   _______________________________________________
   Detomaso Email List is not managed by POCA
   Posted emails must not exceed 1.5 Megabytes
   DeTomaso mailing list
   [11]DeTomaso at server.detomasolist.com
   [12]http://server.detomasolist.com/mailman/listinfo/detomaso
   To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.
   Members who post to this list grant license to the list to forward any
   message posted here to all past, current, or future members of the
   list. They also grant the list owner permission to maintain an archive
   or approve the archiving of list messages.

References

   1. https://m.summitracing.com/parts/sme-90a3900
   2. mailto:tipo874 at gmail.com
   3. mailto:will.kooiman at gmail.com
   4. mailto:DeTomaso at server.detomasolist.com
   5. http://server.detomasolist.com/mailman/listinfo/detomaso
   6. https://m.summitracing.com/parts/sme-90a3900
   7. mailto:tipo874 at gmail.com
   8. mailto:will.kooiman at gmail.com
   9. mailto:DeTomaso at server.detomasolist.com
  10. http://server.detomasolist.com/mailman/listinfo/detomaso
  11. mailto:DeTomaso at server.detomasolist.com
  12. http://server.detomasolist.com/mailman/listinfo/detomaso


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