Here's what can be done - 2.1 litre higher than stock spec cam,
super-light flywheel, twin 40s, optronic ignition, etc
and is knocking on the door of 130BHP.
76mm stroke and 94mm pistons and 10:1 compression with hydraulic lifters.
Paul Cave (editor of now defunct Flat4 Magazine), photographed at Malvern UK, 2003.