Thanks for the help.
Well rfs56trk you nailed it. This 1964 stepvan has a hydraulic clutch!
I didn't even think that was possible. The hydro clutch is plumbed right in front of me at the bellhousing and I didnt even notice it.
Well I'm obviously not a pro-just a hobby and I'm learning as I go.
That solves my dual master cylinder at the firewall question-1for clutch, 1 for brakes.
So, my stepvan is setup with a 250 inline 6 and the 3 speed tranny-with a hydraulic clutch that is working fine.
Unfortunatly, that still leaves me with my bad brake issue. Brakes feel really soft, with very little stopping power, and seem to give if held on for a while-like at an intersection waiting for the light to change.
I will take photos of the master cylinders at the firewall when I get back from my road trip to Charlotte, NC this weekend so anybody interested can see what they look like.
Link to photos posted of the hydraulic clutch setup below.
https://1964chevyp10.blogspot.com
