Compression values?

Depending on what kind of driving it had which would control the amount of carbon build up you should be in the 140 #to 165# on a compression test( all plugs out and crank for 5 engine revolutions)[QUOTE=redneckmba;1546383]I am going to be performing a compression test on a stock 1974 318. The specs say "100 psi, minimum." What should be the compression reading for a healthy 318??[/QUOTE]