Coupe..did you ever modify that shifter?? What did you end up with??
I made drawings to basically improve the stock T56 magnum shifter to be a more like a B&M.
In the process of doing this, I tried a few different brands of shifters with no success. They would shift fine, but they would leak.
For any of those you are unaware, we are talking about a shifter for a T56
Magnum. The Magnum has a top shifter bolt pattern of 6 bolts instead of 4. That is an easy way to tell if you have a Magnum. The Magnum also has a 31 spline out put shaft which is larger than the standard T56. It shares an output shaft /yoke with a Ford C6 trans. The Magnum has a gear that slings oil on the shifter. The standard T56 does not have this. This oil slinger will cause the shifter to leak, if the internals are not sealed well.
Before, I machined a new style shifter, I noticed that Core shifters makes a universal shifter for a T56 Magnum. While I think the shifter is made cheaply, the basic internals work pretty well. The way the shifter is constructed, it will keep the shifter from leaking. You would have to study the shifter, but the guts of the shifter are housed in an extrusion. This extrusion acts like an oil pan and retains the oil. When you shut the truck off, the oil will drain out of the extrusion and back into the trans.
I do not have any pics at home, but I may have some at work. I will check tomorrow.
In the end, it was a cheap fix and works pretty well. I had to supply my own shifter arm, which I used an unmodified Hurst arm.
This is a current listing on ebay for one.
http://www.ebay.com/itm/Core-Hurst-...ash=item54265cd51f:g:9WwAAOxyXDhSm93Y&vxp=mtr
You would need a Hurst shifter arm. I probably have the part number at work.