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Dual Chamber intakes. 

 

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 Post subject: Dual Chamber intakes.
Posted: Sat Jun 20, 2009 6:24 am 
Getting Side Ways
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Location: Central Highlands
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I have noticed a few company's doing this new intake design, makes sense....
http://www.youtube.com/watch?v=i4ru6Q3NTII

I can now see why, G&D performance developed there $600 pod filter kit that retained the narrow strut tower pipe as seen on (AU,EL) falcons and then flared out a 4inch adaptor over 15cm to a 4in K&N monster pod filter. All makes sense now.

Cheers and have a nice day................................

 

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97 EL Fairmont 4l OHC .Silver.
Exhaust: Pacemaker's, 2.5" exhaust and Hiflow cat
Intake: FRAM AIRHOG , EL GT snorkel
XR6 300kpa fuel reg Stg 2 Auto Shift Kit.6DJA ECU
PM in Qld looking too buy Toyota 4*4 SR5 Dualcab Hilux 91-97 with 2.8l diesel engine/5spd manual

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 Post subject: Re: Dual Chamber intakes.
Posted: Sat Jun 20, 2009 6:58 am 
Getting Side Ways
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Location: Central Highlands
QLD, Australia

Here's a bit more info. "FIEND" you might be interested since you are currently do some investigations into intake design..

Most cold-air intake systems come in four main pieces. There are two mandrel-bent aluminum pipings, one billet-aluminum MAF adaptor and one high-flow filter. Par for the course--results tend to add from 3 to 5 horsepower.

The frequency of the sound wave generated by an intake system varies with it's length--longer systems tend to generate lower frequency waves. With traditional cold air intakes, as the RPM increases, inlet valve opening increases while the inlet tract length remains constant. Over a period of time, the increasing frequency of the inlet valve and the inlet system resonance become out of phase with each other and the effect of using sound pressure to promote cylinder filling declines.



The V2 features a dual chamber design which was instituted to provide multiple frequency sound waves to help charge the cylinders with air in the upper RPM ranges, where cold-air intakes can begin to go out of phase. In V2 design, the primary pipe is usually smaller in diameter but longer than the secondary pipe. This difference in shape/size helps to create lower frequency in the inlet tract that match at lower RPM while the shorter secondary pipe helps to facilitate cylinder filling in the higher RPM. ""(could be similar too how they put the usual dog turd looking resonant chambers on factory intake pipes)"".....

cheers

 

_________________

97 EL Fairmont 4l OHC .Silver.
Exhaust: Pacemaker's, 2.5" exhaust and Hiflow cat
Intake: FRAM AIRHOG , EL GT snorkel
XR6 300kpa fuel reg Stg 2 Auto Shift Kit.6DJA ECU
PM in Qld looking too buy Toyota 4*4 SR5 Dualcab Hilux 91-97 with 2.8l diesel engine/5spd manual

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 Post subject: Re: Dual Chamber intakes.
Posted: Sat Jun 20, 2009 7:09 pm 
Getting Side Ways
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Joined: 22nd May 2006

Ride: BF F6 Tornado - #0077

Location: Bendigo
VIC, Australia

did he make note a major selling point was that its up out of the way so when you have water to the doors or more the intake wont flood? thats not a selling point, thats requirement for a snorkle or a 4x4. these high performance machines generally arnt amphibious

 

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