Master Cylinder Rust Prevention

[DuWayne Ladner]

Just a couple more MC photo's. Ya forgive me, for I'm a little rusty(LOL) at posting pics!

[CantRepeat]

Sample 346/309 Master Cyl.

What is the little tiny screw looking part?

[jwbavalon]

It is the secondary piston stop.  See 5-16 of the 1969 Service Maunal.

[CantRepeat]

It is the secondary piston stop.  See 5-16 of the 1969 Service Maunal.

Well I'll be dipped in doo doo.

Neither of the two MC I have have that screw still in them.

[169INDY]

Food for thought:
1968 Service Manual, Brakes Section 5
Brakes 5-2
Fig. 1 - Main Cylinder.

DELCO MORAINE MAIN Cylinder from the Top (aka inside of) reservoir.
BENDIX MAIN Cylinder from the Bottom (aka underneath ) reservoir.