This one was spec'd by Dwayne Porter for a 416. He spec'd it to be run with full exhaust and a minimum of 10.5 compression.

Com Cams CRS 7262/7263 S 110.0 Valve adjustment: intake= .026 exhaust= .026 Gross lift .577 intake .585 exhaust Duration @ .050 tappet lift intake= 262 exhaust= 266 Valve timing @ .050 intake open 25 BTDC close 57 ABDC Exhaust open 67 BBDC close 19 ATDC These specs are for cam installed @ 106 center line. Duration @ .050 intake 262 exhaust 266 Lobe lift intake .3850 exhaust .3900 lobe separation 110.0.