I have roughly 135,000 motors on my motor, with no problems ever encountered. I'm sure I can get more miles with my motor as of now, what should I do to my motor first? I dont mean i/h/e either. I'm talking about internals and if I have to do it all at once what should I get and how much am I looking to spend? I'm not looking for a fully built race motor, just a some more power and reassurance it can take the abuse.