Bill, so glad the machine is working well. The cam is in my motor and its kick butt. I'm waiting to convert over to 4/5 speed since my stall converter isn't quite up to snuff =) But I am very pleased with it and still remember the day building it, good times! I think you probably have a MC issue and are on the right track--swap that sucker first ;) cheaper and easier. I know that Ehrenberg was selling the MP aluminum ones recently for cheap with the 4 bolt adapter plate, and I picked up one of those. Because of the oddities on my 62, I spent a lot of time trying to get a master cylinder/pushrod combo that would put the pedal low enough and give me the right feel. So don't give up! I did add a wilwood adjustable prop valve just so I could tune the bias a bit, but I figured you had a line lock on there too, cause you've got a beastie ;) Good luck and let me know how things go. Take care (Rainy Northern California) MJ