Stumbled across this handy bit of info on porting . Not sure if this has been put up before so apologies if it has but I thought it would be a useful reference for anyone who was unsure or was wanting a port job in future.
Its a good read and its got pretty pictures aswell :cool
http://www.mazdarotary.net/porting.htm
Kind regards
Jase :)
Good info.....is it not strange that they never show you the intakes !!!!!thats where it also matters..