Today started a new head for a guy from barcelona. it's the typeR ep3 head. together with s2000 head, the best head from Honda factory.
i played with the flow balls, seeking which areas flow more. first of all, ports on this head are very angled
from port entry to valve seat, so breaths more from the roof rather than from the floor of the port.
For instance, placing a flow ball in the floor before the divider, flow increases up to 7-9CFM, so the floor must remain untouched.
Around the valve guide, air flows more easily from the wall side,placing again a flow ball in that point, decreases flow much more than doing it in the divider side.
Tomorrow will follow studying this head, in the valve throat and valve seat area.
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