I have surge brakes, Competitive trailer, the master cylinder is shot (two half inch bolts, it's solid...

)... But I drive a One Ton (I don't need no freerkin' trailer brakes...) 4K DTR
The drums are 67-72 ford Mustang shoes...
Surge brakes, when they work, work quite well...
There's drivers and then there's DRIVERS...
Dan'l