I just bought a Challenger with a 340 4spd. It has x heads 10:1 with a pretty wild Lunati 10200705 Voodo cam:
Advertised Duration (Int/Exh): 284/292
Advertised Duration (Int/Exh): 284/292
- Duration @ .050 (Int/Exh): 242/252
- Gross Valve Lift (Int/Exh): .533/.552
- LSA/ICL: 110/106