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SBC running a 4bolt main, Comp cam ( Xtreme energy XR276HR) World Heads Sportsman II 2.100/ 1.625 72cc 23degree angle,Sidemount Hookers, Edelbrock Aluminum intake Performer, Holley 650 cfm, Accel High Performance HEI Distributor.......question is, what is the best timing to run with this set up. I'm currently set at 8 degrees advanced. Seems to run ok but everyone says I should be running at 12 or more advanced. I have a new high torque starter to be installed as it is hard starting when I run it hard for a while. If I run it below 6 degrees the headers glow. Too hot and to late on the timing right?