Originally Posted by
Mike 78
Hi,
i have just purchased an RB T9, i was just wodering what different methods people are using to run there engines in. i have heard that Murnan advise to remove the clucth assebly etc and also what percentage nitro do people use to run in as well.
Thanks Michael

Only remove the clutch if your breaking in the engine with a propeller. In the car use a very early engaging clutch. I like a load on the engine from idle up during break in.
http://murnanmodified.com/breakin.php