Dec 31, 2005 #1 L L88 crazy Well-known member Joined Oct 20, 2003 Messages 76 Location home Corvette 1972 Blue T top What are the ignition timing for the L71 big block?
Jan 1, 2006 #2 J JohnZ Joined Jan 1, 2002 Messages 7,243 Location Washington, Michigan Corvette '67 Marina Blue Convertible 5* initial, centrifugal starts at 1000, adds 30* @ 3800; vacuum advance starts at 8" Hg., adds 15* @ 15.5" Hg.
5* initial, centrifugal starts at 1000, adds 30* @ 3800; vacuum advance starts at 8" Hg., adds 15* @ 15.5" Hg.