Thanks for this info. I'm not familiar with the residual pressure valve, nor am I sure where it would fit in the hyd system, but you have me curious and I will look at the Wilwood site. Are you using a remote booster, as in my case? or is it a booster directly attached to the master cylinder?


1955 GMC 630, 1959 GMC W660, 1958 Chevy Spartan 80