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)