#13

06-21-2014, 05:48 PM

john marcella john marcella is offline

Ultimate Warrior

Join Date: Jul 2011

Posts: 3,033

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.

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.

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John Marcella
Marcella Manifolds Inc.
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ph. 248-259-6696

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