Hi,
I think they were building a collosal plenum above the engine (where the fuel tank would sit) and pressurising it via a turbo(s) off the end of the expansion chambers. They then connected all four valves to the plenum. Bored a hole in the block/barrel and tigged in an exhaust header...
Hi,
Sorry, very tired, so my answer will be less enlightening than usual....
I know a lot of drag racing motorbike boys that posted on macdizzy 's forum were well into taking 4 stroke motorbike engines and changing the cam drive to 1:1. There was then two methods of putting the intake...