Also, with the timing set at 12*, it is kicking against the starter when the engine is at operating temperature. That doesnt sound right for an 8.0:1 360

1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)