But several 1341cc lumps with the same bolt-on bits as Nick's have made 190-195bhp at Aldon over the years... I have my suspicions that long stroke/rod length stops it from revving as well, as the big bhp 1341ccs liked to rev so could make the power.
If it were me I'd turbo one and see what happened. A K04-015 and 268° cam would be my starting point. Shame that they're so pricey to build, as I'd like to do it as an experiment - was tempted by Rob's engine, but had more important stuff to spend my cash on!
I would also ad a big valvel head to that list, with bigger inlet and exhaust valves, and cam would have to be in the 266-270 area, depending on lift and so on
Somewhere around 185-195 the head flow needs to be improved
