Out of the master cylinder, left side goes directly to the brake while the right side goes to the proportioning valve to be shared by the rears. You need to plug the right side out of the MC and use two outputs out of the roll control for the fronts. I've got a plumbing schematic on my website showing the difference between stock and line-locked. Just follow the URL in my sig.
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Jeff Chambers
T/S #3
11.97 Seconds/114.5 MPH
Chambers Racing Team