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Air cleaner opinions
#734568 April 01st 2018 11:25 pm
Joined: Dec 2017
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Who's running an exposed air filter, meaning, no OEM enclosure? Does it matter? I have a B100 w/ a 318. Any significant benefits to removal of my stock housing and running a small aftermarket filter assembly, or is it purely for looks? Pros and cons? Recommended kits? I appreciate your input! ✌


1975 Dodge B100 shorty. 318, 3/tree
amazon add parts
Re: Air cleaner opinions
jason159 #734569 April 02nd 2018 12:04 am
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It is purely for looks. (1) the smaller air filter element will get fouled faster and decrease performance; (2) running an exposed element air cleaner makes the carb suck in more hot underhood air which decreases performance and economy; (3) running an open element air filter is louder, especially in a van.

If you are itching to do something to your air cleaner, why not consider doing something that will actually offer both a performance and economy boost? Instead of running an open element air cleaner, try rigging up a cold air intake system. All you need is a dryer hose and some zip ties. Fasten one end of the dryer hose to the end of the snorkel on the stock air cleaner, then route it somewhere behind the grille and secure it so it won't be caught in any moving parts.

That's it! The cooler air will help your power and efficiency a bit, and is certainly more beneficial than an open element air cleaner.

Last edited by Reed; April 02nd 2018 11:23 am.

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Re: Air cleaner opinions
jason159 #734573 April 02nd 2018 9:01 am
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carpal tunnel
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Like Reed said. The air under the doghouse gets hot and thin so cooler air would be more efficient.
All my GMs and our Ford pull air from the front.

Re: Air cleaner opinions
Reed #734587 April 02nd 2018 1:34 pm
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Originally Posted by Reed
It is purely for looks. (1) the smaller air filter element will get fouled faster and decrease performance; (2) running an exposed element air cleaner makes the carb suck in more hot underhood air which decreases performance and economy; (3) running an open element air filter is louder, especially in a van.

If you are itching to do something to your air cleaner, why not consider doing something that will actually offer both a performance and economy boost? Instead of running an open element air cleaner, try rigging up a cold air intake system. All you need is a dryer hose and some zip ties. Fasten one end of the dryer hose to the end of the snorkel on the stock air cleaner, then route it somewhere behind the grille and secure it so it won't be caught in any moving parts.

That's it! The cooler air will help your power and efficiency a bit, and is certainly more beneficial than an open element air cleaner.


I figured there wasn't performance gains, since its jetted to run with an enclosure, but wow, I love that idea! Makes total sense, it's super hot down there, and I really like this simple add-on idea and I will use it, thank you so much Reed!!!!


1975 Dodge B100 shorty. 318, 3/tree
Re: Air cleaner opinions
CatFish #734588 April 02nd 2018 1:35 pm
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Originally Posted by CatFish
Like Reed said. The air under the doghouse gets hot and thin so cooler air would be more efficient.
All my GMs and our Ford pull air from the front.


Awesome, thanks!


1975 Dodge B100 shorty. 318, 3/tree

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