727 Reverse servo problem
I have a post here that you might be interested in reading through:
http://www.forabodiesonly.com/mopar/showthread.php?t=245164
In the mean time here is a pic of the stock L/R servo
And here are a few with the transgo upgrades
and Billet servo and blocking spacer.
As fishy said.. I would definitely give the trans a thorough inspection.
I hope this helps
-AlV