Originally Posted by willwren
Flowbench data hasn't been done. He was shipped overseas.
Rule of thumb:
The sharper the turn, the worse for performance (flow). Walled LIM'* force a sharper turn and create dead spaces between the ports. These cause turbulence. Flowbench data was intended to prove HOW MUCH of an improvement the non-walled was, not WHETHER it was. Same general rule applies when planning a sprinkler system for your front yard. Fewer 90 degree bends equals more flow.
that makes total sense.
at first i thought the taller, walled, would be better for performance. mainly bc of the hi-rise intakes, that allow for more atomization of the fuel. but here its only the issue of air. the injectors do the atomization.
but now i undersatand, thanks wren.