Originally Posted by
Graham as has been said it may of been deliberate.
the one i saw the ports and throats had been bored on a milling machine, but there was no hand blending or work to put a radius on the where the ports and throats met, so with both being bored bigger than standard there was a sharp square 90 degree corner to the short turn, which flowed less than a standard head. i get the point about part finished, but if so it would actually of been better not to touch the port at all.
running a finger over the short turn will soon tell you if its one of those part finished heads
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