FS: Lightened and balanced AAZ connecting rods - Parts for Sale/Wanted - VWDiesel.net The IDI, TDI, and mTDI source.

• FS: Lightened and balanced AAZ connecting rods by Dr. Diesel on 21 Mar, 2009 01:23
• sold
• #1 by subsonic on 21 Mar, 2009 11:00
• Bryson,
  Were these balanced with the old bushings/ bearings still in or out?  Did you do the balance?  If so, could you discribe the jig you used?
  
  BTW-Free bumpski and thanks for the info on the mani's.  I am working with him on getting some.  
  
  Jim
• #2 by Dr. Diesel on 21 Mar, 2009 15:50
• The small end bushings were found still in dimensional specs and left alone.
  Balancing isn't typically done with babbit bearings installed, and they weren't in this case. To achieve balance perfection, you can weigh the bearings you buy for these, mix and match, and remove material to make equal weight sets before installing.
  
  I did the balancing, using an apparatus similar to this:
  
  
• #3 by jasonsansfleece on 21 Mar, 2009 20:03
• Thats interesting. Are you measuring the turning moment around the wrist pin, not the mass. Would a more accurate measurement be equal mass and same center of gravity?
  Guy
• #4 by Dr. Diesel on 21 Mar, 2009 22:16
• it is mass and center of gravity. the rod's ends are supported by roller bearings.
  this is how they do it, from local shop to NHRA.
• #5 by jtanguay on 21 Mar, 2009 22:43
• very interesting...  how much would you charge to balance some rods, or is it too time consuming and not worth it?
• #6 by Dr. Diesel on 22 Mar, 2009 15:44
• Just balancing, $15 each.
• #7 by jtanguay on 22 Mar, 2009 16:53
• Quote from: "Dr. Diesel"

  Just balancing, $15 each.

  
  
  hmmm i might consider that when installing the girdle   thanks
• #8 by Dr. Diesel on 02 Apr, 2009 06:34
• up
• #9 by saurkraut on 09 Apr, 2009 12:32
• How about $100 US no core?  Or would you like the 1.6TD rods back?
• #10 by Dr. Diesel on 09 Apr, 2009 14:37
• hmmmm