combination porportioning valve

[no1newb]

So I just converted to disk brakes, but i got a question, i got this old porportioning valve but i also ordered this wilwood one (260-11179), i was wondering if i should just put the wilwood by the master cylinder or if i should remove the old one and put it there. probably a stupid question, but if it wasnt that big of a deal, it seems like it would be a pain in the a** to remove this one.

 

[green1]

The system doesn't like 2 valves.

 

[no1newb]

thats what i figured. and im guessing this one is no good for a front disk rear drum setup.