Originally Posted by Rtebbetts

If I break in my traxxas .15 engine in during the winter when theres no snow, will I have to replace it with a new .15 engine when it becomes spring time and the temps start to rise? Or will all I need to do is to just re-tune gradually as it starts to warm up? I am 99.9% sure I am going to break my nitro sport in the day or 2 days after christmas; and I don't want to have to replace the engine in the spring time