question about a clutch master clyinder

[idiburner]

hey everyone so looks like I have a bad master for my clutch why my pedal goes to the floor and wont return. out I have a question my buddy owns a 86 f250 6.9idi 5 speed 4x4 and his clutch master has a inlet for a vacuum line and I was wondering would that master off the 86 f250 work for my 92 f250 7.3idi 5speed 4x4 as my master dosnt have that vacuum line insert. and if it does work does it give any improvement to the clutch? thanks for all answers.

 

[DesertBen44]

His clutch master has an inlet for vacuum? I have never seen one like that, changed my clutch master a few days ago because the rod that connects to the pedal was about to wear completely through the eyelet Mine only had one connection for the clutch line and then the bolts holding it to the firewall. Would be interesting to see a pic of this setup!