explorer 8.8 in an a-body: experience needed

Idaho said

I understand the role of the proportioning valve. What is a residual valve?

Edit: reading this now...

http://www.thebrakeman.com/valvetechi

Click to expand...

Based on the article above, those of us putting an 8.8 with discs where there were drums should be making sure we have no residual valve. I've read everything I've seen on the 8.8 swap here and not seen this discussed.