I think worrying about 'dyno testing' shows a misunderstanding of nitro car racing at it's best...
Track Time is the only testing you need for all questions regarding best performance and best runtime.
Dyno will not show you how changing track conditions plays a GREAT influence when it comes to best performance and best runtime.
Learning clutch setups to match changing track conditions alone takes Track Time and plenty of it.
Best Track Time is right after the mains at your local track!