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PostPosted: Fri Nov 18, 2011 8:54 pm 
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Site Admin
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Joined: Mon Mar 31, 2003 1:04 pm
Posts: 7424
Location: Oregon
Car Model: 2023 Eichman Digger?
Pure conjecture here: :lol: The more I learn, the less I find I know.

An issue here would be the pulse would be pulling through the carburetor, but would need to change the direction of the charge in the plenum when the next valve opens up.

The air fuel charge has mass, so as a cylinder pulls from the carburetor, the carburetor flows the mix down and in the direction of the open valve. The mass of the charge continues in that direction, and is reversed when the next cylinder's valve opens. That requires work to be done, and pumping loss in the intake.
As the engine speeds up, it will decrease pressure available to the intake valves. Standing waves could become apparent, which would risk further decrease in efficiency, and fuel drop out and plating in some regions.


CJ

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PostPosted: Fri Nov 18, 2011 9:01 pm 
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6 Pack Dart
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Joined: Sat Nov 02, 2002 5:44 pm
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Location: Eugene, Oregon
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Let him try as he will find out if it will work or not :!:

Richard

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PostPosted: Sat Nov 19, 2011 3:14 pm 
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Turbo EFI
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Joined: Tue Jan 17, 2006 4:57 am
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Location: Oslo, Norway
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I think that intake will be better suited for a truck with plenty room under the hood, as the intake runners will be stacked in 3 levels, unless they shall curve over/under each other, which will add to the already serious tuning problems.

A woven manifold may look very cool, though... 8)

Olaf

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PostPosted: Sat Nov 19, 2011 5:01 pm 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
Only 2 levels, not 3.....

3,4 is low
2,5 is low, then transitions to high
1,6 is high

Can't use stock exhaust manifold for the middle cylinders to drop down.

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Ed
64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes

8)


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PostPosted: Sat Nov 19, 2011 5:05 pm 
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Turbo EFI
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Location: Oslo, Norway
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Ah, yes... :oops:

Olaf

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