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Old 05-14-2004, 11:37 AM   #1
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Default willram on a Vtec? Sure!

A buddy of mine bought his wife a Honda Odyssey with the 3.5 Vtec (SOHC). Getting ready for a long road trip to Alabama, he wanted to do something more for the intake than the K&N filter. I gotta describe this intake. It'* ridiculous:

There'* a tiny snorkel trying to draw air from directly behind the driver'* headlight. Except there are no gaps there, so it has to draw somewhat from the engine compartment. The snorkel goes DOWN into a HUGE resonator box, about the size of a half case of beer. 3 chambers in it that I could see. The box is located under the airbox/battery tray forward of the LF wheel. Air comes back up out of it into the bottom of the airbox, with a small diverter and heat exchanger with coolant running through it to pre-heat the air when cold. Odd setup, with a flapper to select resonator air, or pre-heated air.

We removed the resonator last night entirely, and ran a 4" duct from the bottom of the airbox to the LF opening for the foglights (his van doesn't have fogs). This opening is in the front lower airdam (one on each side) but the driver'* side is already open. We're installing a flange tonight so that it can ONLY draw air from the outside.

Should be good for a little snappier throttle, and at least 1mpg more in efficiency. We also removed the upper intake cosmetic cover/heat trap for the summer.

Odd ridiculous setup. Having a resonator chamber larger than a truck battery?
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Old 05-14-2004, 11:40 AM   #2
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Nothing is quite engineered like a Honda
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Old 05-14-2004, 12:58 PM   #3
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Pics, pics you tease!
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Old 05-14-2004, 02:57 PM   #4
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Quote:
Originally Posted by Jim W
Nothing is quite engineered like a Honda
no... not at all

The Odyssey had the title of fastest minivan for a while, but I do believe that the crown goes to the Sienna now, I've seen 0-60 in 7.7, Car and Driver it might have been
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Old 05-14-2004, 03:03 PM   #5
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I know my Mom'* 98 Voyager'* the pokiest d*mn thing I ever drove :(
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Old 05-14-2004, 03:40 PM   #6
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Seen the Helmholtz resonator on the new Durango? About an inch thick and a foot and a half long.
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Old 05-14-2004, 10:26 PM   #7
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With hondas engineering... it might have been made like that for a reason...
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Old 05-15-2004, 01:00 AM   #8
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Noise suppression. No other reason.
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Old 05-15-2004, 04:41 PM   #9
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those vans are made for soccer moms who never want to hear if the engine is running or not. Thats the only reason.
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Old 05-15-2004, 10:56 PM   #10
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4'' fart pipes next I quess

(sorry bill.. but putting ram air on a van is a little too weird for me...)
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