When I went 4 wheel Wilwood manual disks on 71 Dart Swinger, I installed the Wilwood proportioning valve. May be wrong, but was of the impression what some are referring to as the stock "proportioning valve" is actually a "distribution block" - equal fluid in all directions. shruggy

[Linked Image]

Last edited by B Dartman; 11/19/21 08:15 AM.

B Dartman's 71 Dart Swinger in Mopar Muscle (Sold Dec 2021): https://www.hotrod.com/articles/1971-dodge-dart-destiny-determination/
B Dartman's 71 Dart Swinger in Dodge Garage (Sold Dec 2021): https://www.dodgegarage.com/news/article/showcase/2019/04/destiny-determination.html
B Dartman's 71 Dart Swinger early build pictures (Sold Dec 2021): https://s165.photobucket.com/user/Billswild440dart/library/