ok so a while ago i ruined my first trx .15 engine by running it for an hour without the air filter on so a few months later (today) i bought a new trx .15 engine witch is going to be here Thursday this will be my first
engine break in (my dad bought the tmaxx new broke it in ran it 5 times then stored it) so what do i need to do to break in my new engine?
2001 tmaxx, 2012 1/16 erevo vxl
Just follow the Traxxas spec break in, and you should be good. Don't rush things, take your time. It can be frustrating, so be patient.