Need photos of 727 lock up converter

[CudaChick1968]

The 727 in our 1983 Dodge D150 has developed a bit of a shudder between 47-55 mph. Tightening the bands and changing the fluid/filter did not really help the problem. There were no metal shavings or discoloration in the fluid, though there were a few small scraps of the paper in the bottom of the pan.

Billy asked me to post and see if anyone could provide a photo or two of the lock up converter feature on a 727 valve body. We've got a couple other 727s here to snag parts from if necessary; just want to make sure they'll work.

Also, if anyone has a stock 727 that will pull a trailer they'd be willing to part with cheap (or, better yet, trade for something), that would be great too.

Thanks in advance for any help with this!

 

[daredevil]

Ashamed i,m so far away. I have one thats supposedly good out of a 360 van,but shipping would kill the deal.Too risky for an unproven piece. sure would be cool to trade for p/cing

 

[yellowdartdave]

Does it shudder when the converter is locked and/or unlocked or both?
If I remember correctly, it was controlled by the speedo, if the speedo jumped just a bit back and forth, the tranny would try to unlock and loc back up because of the varying signal from the tranny.
Anybody else want to chime in. I ain't no expert but I do retain bits and pieces now and then......usually just enuff to get my butt in trouble.

 

[GoldenGirl]

Hey Chick,

The chief mechanic here says to put in a tube of positrac friction modifier and that should stop the shudder while the torque converter is locking up.

Good luck!