got a savage 25 but blow up the engine due to not braking it in very good. just broght a hpi 1/10 rtr-3 evo with hpi t-15 engine but don't kwow alot about nitros and don't want to do the same thing to this one. any tip's on breaking it in please. It starts up ok but then die on me when i give it a little thottle.

http://www.modellinc.com/tuninganitroengine.htm

If it dies on you accelerating a little richen both the high and low speed needles.