The C12 features increased overlap to give great midrange power while retaining tune-ability. This is the cam you need if you seek an aggressive idle sound.
Engine Make: Engine Model: Part Number:
CHEVROLET LS Series V8 HS108-C12
Valve Clearance: Intake: Set at the
Exhaust: Set at the
Cam Lift: Intake: 0.365" Exhaust: 0.365"
Rocker Ratio: Intake: 1.7 Exhaust: 1.7
Nett Valve Lift: Intake: 0.621" Exhaust: 0.621"
Advertised Duration @ 0.006" Intake: 280 Exhaust: 288
Duration @ 0.05" CAM LIFT Intake: 232 Exhaust: 238
Timing @ 0.05" CAM LIFT IVO: 5 BTDC EVO: 52 BBDC
IVC: 47 ABDC EVC: 6 ATDC
Suggested Centre Lines: Intake: 111 Exhaust: 113
CAM Lift @ TDC Intake: 0.069" Exhaust: 0.067"