Hello site members.  Gerald here, been off for over a year, after making the power brake conversion. successful and works great. Thank you for everyone that provided information.
Currently planning a clutch replacement.  70 Mustang sportsroof, 351Cleveland, around 300HP, toploader 4 speed. Car is a driver, not a dragger, want to have good grabbing power, but not break a leg working it. Any recommendations would be greatly appreciated.
Another change/upgrade, during the winter in NY, is to flush the cooling system, replace the thermostat and water-pump. I understand the thermostats are different on the Cleveland's than regular cars. Any suggestions on the water-pumps and where to get the thermostats ?

thanks for the help and glad to be back.