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Any experience w/ Braswell 14"-15" tapered air cleaner?

General engine tech -- Drag Racing to Circle Track

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BradH
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Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Fri Jan 10, 2020 5:40 pm

Braswell has air cleaner setups for their 4825 and 4760 (4150) carbs that use drop bases and 4"-tall K&N-type elements that taper out from 14" at the bottom to 15" at the top. Has anyone used or tested this style of air cleaner, especially the 4150 version? I'm interested in any feedback or results that people can provide. Thanks - Brad

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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by ClassAct » Fri Jan 10, 2020 6:12 pm

BradH wrote:
Fri Jan 10, 2020 5:40 pm
Braswell has air cleaner setups for their 4825 and 4760 (4150) carbs that use drop bases and 4"-tall K&N-type elements that taper out from 14" at the bottom to 15" at the top. Has anyone used or tested this style of air cleaner, especially the 4150 version? I'm interested in any feedback or results that people can provide. Thanks - Brad
Do you have a link to that? I tried to google it but I can never find anything on the braswell site.

TIA

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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Fri Jan 10, 2020 11:49 pm

Easier to post some pics of the used one I picked up to try, and the typical Moroso 14" drop-base like I've been using. The Moroso is mocked up with a 3.5" filter, and the Braswell filter is actually a little bigger than 14.0" at the base and tapers out as it rises 4.0".
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Last edited by BradH on Fri Jan 10, 2020 11:57 pm, edited 1 time in total.

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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Fri Jan 10, 2020 11:54 pm

The bases are shaped very differently, with the Braswell both dropped more and consistent in form all the way around.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Fri Jan 10, 2020 11:57 pm

Views from the top.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Sat Jan 11, 2020 12:00 am

Bases without filters.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Sat Jan 11, 2020 12:01 am

And...
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by MadBill » Sat Jan 11, 2020 1:01 am

I have the highest regard for Braswell, but their spun base looks to choke off much of the flow from at least the bottom inch of the filter. Mind you, at 4.5" tall, there's enough area remaining to feed 1,000 HP...

The GM L88/Z28 base that the Moroso part slightly resembles is a much better choice when the filter height is limited.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by Kevin Johnson » Sat Jan 11, 2020 7:50 am

MadBill wrote:
Sat Jan 11, 2020 1:01 am
I have the highest regard for Braswell, but their spun base looks to choke off much of the flow from at least the bottom inch of the filter. Mind you, at 4.5" tall, there's enough area remaining to feed 1,000 HP...

The GM L88/Z28 base that the Moroso part slightly resembles is a much better choice when the filter height is limited.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by 77cruiser » Sat Jan 11, 2020 10:47 am

They look the same as the air cleaners from Allstar.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by ClassAct » Sat Jan 11, 2020 11:53 am

77cruiser wrote:
Sat Jan 11, 2020 10:47 am
They look the same as the air cleaners from Allstar.
https://www.summitracing.com/search/par ... erformance

Hmmm. They do look the same don't they?

Thanks for all the pictures Brad. I'm interested as I need a new base so I can run a 4 inch filter and shut the hood. That may be the answer.

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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by jmarkaudio » Sat Jan 11, 2020 12:26 pm

I have adaptor rings that will fit the 4825 and allow a Dominator air cleaner if that would work... We use them on the large oval blade and BLP Extreme bodies.
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Re: Any experience w/ Braswell 14"-15" tapered air cleaner?

Post by BradH » Sat Jan 11, 2020 12:37 pm

Braswell says their tapered filter is 14.25 to 15.25. The Allstar base looks similar, but I can't tell if it pulls back from the filter base like the Braswell, or is more vertical / more restrictive, especially without having the benefit of the tapered filter element.

I've looked at the reproduction L88 bases before and won't rule out picking up one of those, too. However, you see what I have already above.

For me, it's a case of limited clearance between the air cleaner lid and the underside of the scoop while still wanting to be able to fit a spacer under the carb. Depending upon the air cleaner height, even a 1/2" spacer could be a tight squeeze.

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