7.3 PSD Van Intake: To resonate, or not to resonate?

FDM2012

Adventurer
So, for chitz and giggles, I have been experimenting with my resonator box that tee's
off of the intake tube.

I plugged it, and I installed this filter.

Plugged, I think MAYBE the turbo spooled up a little quicker, but I cannot confirm it.
And it had that loud and annoying drone at low speed acceleration and doesn't really let up until
45 mph or so, about the same time the TC locks up.

With the filter, I kinda want to say that it lost a little power. I know that doesn't make too much sense,
but that is what it felt like to me, and not only was the drone even louder, but now I had the hissing
of suction that was very pronounced.

So, after not being able to hold a decent conversation with my passenger, I put the resonator back in,
and the drone is completely gone, and I swear the motor smoothed out some.

My choice: To Resonate

It's just one of those things I have been pondering for a couple of months, and I like to experiment....

IMG_20160813_165432.jpg
 

zerskier

Observer
when I had my e350 with 7.3 I removed the resonator and plugged the intake. I did it so I could have some better access to the engine. I cant say I noticed if it made any power difference. And I don't know if it made a difference in sound as the old girl had lots of noises at over 800,000 miles. lol
 

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doug720

Expedition Leader
when I had my e350 with 7.3 I removed the resonator and plugged the intake. I did it so I could have some better access to the engine. I cant say I noticed if it made any power difference. And I don't know if it made a difference in sound as the old girl had lots of noises at over 800,000 miles. lol

I did the exact same thing to my 2003 for the same reason with the same results...But my girl is only barely broken in at 175k!
 

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