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Message
Would like to add a comment if I may. Forgive me if I missed it but I
can't recall any mention of a bellmouth on the inlet to the throttle body.
Do you have one on your inlet? A nicely designed bellmouth might could
reduce inlet drag.
Carl Murakami (normally a lurker)
Thanks for
the message Carl. This is actually the easiest place to start, and might
be just the ticket. I know that my inlet system isn't the greatest, and
the last time I went through this, I bought a couple of air horns for the TWM
inlets. Since I managed to match Tracy's B drive performance with
the straight inlets, I never got around to trying the air
horns.
During the
last test, I was getting 5500 static with the current inlet ducting, and 5750
with the TB open (no ducting). I need to test this again, with the air
horns in place, rather than just having the straight inlets in the TB. If
I could get another 100 rpm or so, I'd probably be in the ballpark of Tracy's C
drive performance. All I'd have to do then, is add an inlet ducting system
that didn't reduce the flow any. Yep, I think this might be the next
test.
Cheers,
Rusty
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