The red part is indeed the part to grind away.

The result of this mod is that the engine will rev up much quicker and does reach a tiny bit more RPM. If you go to far the LSN setting can be a lot tricky, the further you go the smaller the window of the LSN will get.

With ,26 and larger monstertruck engines a 4 to 6 degree can make it an all time wheely monster

That link is in Dutch, I have got a same topic here as wel:
http://www.rctech.net/forum/onroad-n...e-timings.html
(had to look for it)

By the way, this is how I do it, others do other things.....

On this page you can see some stock and modded engines to see what are the differences,
http://www.first-racing.eu/html/steuerzeiten.html