Sorry 125cchyperman, that wasn't directed at you. I just wanted to make sure it was known the intentions of this thread before it started going sour.
most people should try it on a motor that they dont care about before they try it on a high dollar mill
But as the article states, Sport and midline engines stand to make the most gains. Well for most of us, sport and mid-line engines are what come with the vehicles. To be honest, I don't see the point of performing this kind of work on a higher-dollar motor unless you are racing. In which case, if you are serious about racing a)you leave the port work up to a company like RBMods or b) You are really good at doing it yourself and the article I posted is already a well-known fact to you.
supertib - holy CRAP?! Makes my job look like my 4-yr-old did it with egg-beaters
lol Nice job, how'd it turn out for you performance wise? Which motor was that for and did the sleeve originally have that big notch in the base or is that an extreme mod-job?