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Yes, I agree it does,
and I have worried about it also. But you don’t get velocity without
restriction, or IOW, there is no such thing as “no restriction” before getting
to the port. Perhaps the question is – Is anyone getting more than 85
hp/rotor at 6000 rpm, MEASURED, with normally aspirated, untuned intake, stock
side-port, with 9.0 compression, newly overhauled engine. If so; I’ll
start considering a lower restriction induction system.
I understand what
you're saying, but this still leaves me right back where I
started. I still feel like the MAP should not drop off at the TB port
unless the TB is sized too small.
On the other
hand, I might measure this 10 or so inches away, and find that the
pressure is the same as it is at the TB port. Since restriction must
happen at least where the intake enters the housing, no matter how big you
make the runners, it will still get restricted. I assume this is why
the higher powered engines have such large inlets on the housings
though.
Off to
work.
Rusty
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