Slave Cylinder Push Rod

[Bob Frato <bobfrato@bright.net>]

When I got my car(59' Bugeye) it had a 3/4" master cylinder.  I've gone
back to the original 7/8" bore master cylinder.  My question is, the push
rod on the car was one for a 1275 (3/4" bore), when going back to the 7/8"
MC should I use the longer 1275 push rod or the shorter 7/8" MC push rod.
Or is this depended on other configurations.  

Thanks for your Help

Bob Frato
AN5L17601