Quote:
Originally Posted by Aaron Quinton
Thanks. I finished mine by hand as well. The CNC path left .005-.006" deep grooves in the rough chambers which I also removed. I would have that a 2x difference in surface area of the chamber would matter at running temps.
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Mine were finished by hand cuz I made many changes to everything after I made the motor a 521. So basically they are a hand ported set of heads at this point.
It had nothing to do with removing tool path step over. Waste of time. But if it gives you a warn fuzzy feeling, go at it.