[1970chevy]

Just start up my 515 bbc would any one know what the timing should be at
The motor has 12to1 solid cam rec port dart cnc heads 1050 holley domanitor two stags of nos 250 on fist shot and 150 on sec shot for tranny its a th400 with a break 4500 stall rear end is dana 60 513 gears and 33x18.5 tires i hope this helps
thanks