Thanks Undy
I just look on the website of KC. They mention 39 degrees total advance (but nothing about initial).
"482/496 FE Shelby Street Crate
...
• Block: Fully Machined Shelby Aluminum Block
• Carburetor: Quick Fuel 780cfm (mine is a Holley 4150 750CFM)
...
• Ignition: MSD Distributor
• Compression: 10:1 (I'm between 11:1 and 11,5:1)
...
• Timing: 39 Degrees @ Full Advance
• Max RPM: 6200
..etc."