I'd run Edge 5W50 for your track days if you're an Edge fan. But,I wonder if the "Classic Car" formula 5W50 was a better oil than the "Titanium" formula? Wonder if the zddp level got lowered since they no longer market it towards "classic cars"?
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 0W20