[Phil Mead]

I have 4wheel disc with stock 87' mustang calipers in the front and cadilac rear calipers. I am using a 84 SVO master cylinder (1 15/16 bore)This set up feels good, works great, but I get fluid puking out the top of the master cylinder under the cap. Any ideas?

 

[bill32]

I believe there is supposed to be a round plastic insert that sits donw inside the Ford MC that you can see when the cap is off. It is to keep the fluid that squirts out of the relief hole when you release the brakes from squirting up against the cap and leaking out. I assume the 84 SVO has similar.

 

[Phil Mead]

I'll look into that piece, but I don't think so. This is a solid aluminum MC with seperate front and rear resovoirs. I am beginning to think the stamped metal lid is not true, causing a poor seal????