WAM174
NAXJA Forum User
- Location
- Ridgecrest CA
Okay, I want to do something weird. Maybe it will work, maybe not. I've got a 97 XJ setup for rallycross competition. This is a trailered race car, no street use. I want to install dual handle cutting brakes plumbed so that one handle activates both right-side brakes, the other lefts. I'll probably use the CNC 452S. I need to choose the 5/8 or 3/4 cylinders. I'm thinking the 3/4 because I'm feeding two brakes. No need to lock the wheels, just drag the insides into the corner to help rotation. Will need some sort of residual valves to keep the volume requirements within reason. Light drag is no issue on a comp car.
But the main question is what to do for a master cylinder? I figure the ABS MC is too complex to try to mess with. I could retrofit to conventional power brakes. But I'm thinking maybe a single aftermarket MC also from CNC. It will have to supply all four corners so I'd probably plumb it with -4 hard line (clutch) to the cutter. Then -3 to the corners. Can't use powerful brakes on dirt anyway, so maybe I should use a larger bore, like 7/8. Again, residual valves will be critical -- especially with rear drums. I don't have any experience with those.
I'd like to hear from those of you who have done oddball master cylinder or cutting brake projects. Don't want to totally reinvent the wheel.
But the main question is what to do for a master cylinder? I figure the ABS MC is too complex to try to mess with. I could retrofit to conventional power brakes. But I'm thinking maybe a single aftermarket MC also from CNC. It will have to supply all four corners so I'd probably plumb it with -4 hard line (clutch) to the cutter. Then -3 to the corners. Can't use powerful brakes on dirt anyway, so maybe I should use a larger bore, like 7/8. Again, residual valves will be critical -- especially with rear drums. I don't have any experience with those.
I'd like to hear from those of you who have done oddball master cylinder or cutting brake projects. Don't want to totally reinvent the wheel.