Mr.CNC 10 Report post Posted May 14, 2014 Hello all. I have disks up front and a 8.8 out back with disk brakes from a 95 GT. I would like to know what master cylinder and proportioning valve I need to use to make this work. Can I use a stock master cylinder and a after market prop valve? I found some in NPD but not sure what I need Combination valve PN 2b091-20bb Master cylinder 2140-7 Thanks Quote Share this post Link to post Share on other sites
RPM 1,190 Report post Posted May 14, 2014 MustangSteve.com has very good info on brakes. Most 4 wheel disc use a 1 inch bore mc for best performance. Check out his site. Bob Quote Share this post Link to post Share on other sites
Rsanter 152 Report post Posted May 14, 2014 My 69 conv has the stock front disc and the rear discs from a mustang SVO I have a willwood 1" bore MC on a toughstuff booster And a willwood prop valve System works really good Bob Quote Share this post Link to post Share on other sites
