For the .050" connector problems at the wave, you might also investigate a
nitrogen air knife on the wavesolder machine.  Companies such as Electrovert
offer this option.
                  

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                                                              Message#   458347
                                                         7-NOV-1996 13:12:56.85
From:   [log in to unmask] 
To:     [log in to unmask]
Subj:   RE:  Soldering 50 mil connectors

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Date: Thu, 07 Nov 96 14:19:15 EST
From: "Hollandsworth, Ron" <[log in to unmask]>
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To: [log in to unmask]
Subject: RE:  Soldering 50 mil connectors
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     Some questions about your process on the 50 mil connector
     soldering question.

     1.  What type machine do you have?

     2.  What is the direction of flow of the connector across
     your wave solder machine? example:  End first or side first.

     3.  Does one end of the 50 mil connector have a solder thief
     to draw the solder away from the last two pins as the
     connector leaves the solder wave?

     4.  Do you use any type of mask between the pins of the
     connector to minimize or eliminate bridging.

     5.  Have you tried paste in hole?

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