AC Dodd Road Sport Plus camshaft, ultimate road cam, lumpy idle but still driveable. Please see picture for full cam specs.
ACD - RS+
Power Band (Rpm): 1750 - 6500
Duration @ 0.016": 268° 268°
Duration @ 0.050": 229° 229°
Nominal Lobe lift (In & Ex): 0.314" 7.97mm
Split Overlap Lift: 0.070" 1.78mm
Full lift no.1 intake (ATDC): 106°
Valve Timing: 29/59-64/24
Valve lift @ 0.013" clearance 1.22 ratio: 0.369" 9.37mm
Valve lift @ 0.014" clearance 1.3 ratio: 0.394" 10.01mm
Valve lift @ 0.016" clarance 1.5 ratio: 0.454" 11.53mm
Valve timing & Duration quoted @ lobe
Checking Height 0.016"
Lifts assume correct rocker geometry, without checking height, recommended valve clearance as given in valve lift criteria.
Applications & power bands based on 1275 engine