B18 / B20 Pulls well from low revs, special camshaft designed for veteran cup etc with the B18 engine.
Carburetor SU.
Is of course even better dual-45s.
Suitable cylinder head steps 2-3.
VALVE LIFT 11.1
NOCK ANGLE 107 °
DURATION 285 °
No guarantee unless new lifters and break-paste (P110) bought simultaneously.
Zinc oil must be used
Kendall 20W50 or 10W40
Motul 300V also contains zinc