Z062FIT
June 25, 2020
Usually on a intake runner you leave it a bit rough to prevent "atomization" because you're getting 14.7 parts air, and 1 part fuel for stoichiometric burn, but when you have direct injection, all you have is air coming in the runner. So, my idea is to ask the cylinder head guy to smooth it out like as if it was extrude honed, or part of the intake manifold. Get the velocity up to maximum coming into the combustion chamber. Of course the "money shot" is inside the intake valve bowl area...
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