Air Cleaner Help???
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Senior User
Joined: Oct 2009
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Air Cleaner Help???
Hey everyone. What I am wondering about is if I need that black recangular hose that connects to the snorkle end of the aircleaner. What does it do anyway? This next question might make me sound stupid but I have no idea about this stuff. Do they sell or is there a easy way to make a ram air or cold air intake for these engines? Thank you guy very much
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
That "black rectangular hose" is there to allow the flow of colder air into the air cleaner, under the correct conditions. When the engine is cold, the vacuum controled valve in the snorkle directs the warm air from the hose going from the exhaust manifold to the air cleaner to facilitate warming up and preventing icing of the carburetor. Once warm, the temperature sensor in the air cleaner redirects the vacuum to the snorkle mounted valve and in comes the cooler, denser air from the front of the truck. This is a good thing.
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
With an appropriate adapter, one could mount an air filter assembly from a carbureted V8 [i.e. 351HO or a 5.0L Mustang] which had twin snorkles. There is a 2nd factory cutout on the driver's side of the radiator support, which could be set up same as the original except feeding cool air to the second snorkle. That would effectively increase the amount of air available, but the question is whether your engine can utilize the extra amount? [this is determined by the state of tune and what modifications, if any, have been made to the engine]
My descriptions are for a 300 / 4.9L engine. Is that what powers your very nice looking truck? Oops! I AM in the inline six forum... I thought I was still in the 1980-1986 forum. Sorry!
My descriptions are for a 300 / 4.9L engine. Is that what powers your very nice looking truck? Oops! I AM in the inline six forum... I thought I was still in the 1980-1986 forum. Sorry!
Fleet Mechanic
Joined: Apr 2007
Posts: 1,429
Likes: 4
From: patricia ab canada
that black tube will supply cool air to the carb.avoid those open air filters,yea you get more air but your sucking in hot engine compartment air.cooler air is more dense thus giving you more power.also these ram air setups just give you the colder air out side of the engine compartment.but these don't give you the forced ram air they claim.you have to be traveling over 150 mph to get any benefit and it's only like 1-2 psi boost.
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