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Old 09-19-2019, 11:20 AM   #1
estout81
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Default non restrictive aircleaner

Think this will flow enough air for a flathead?
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Old 09-19-2019, 11:45 AM   #2
flatheadmurre
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Default Re: non restrictive aircleaner

More about the quality of the filter element then size sometimes...
What may work from start can clog up very fast.
Those small round ones with a KN filter works...with the cheap crappy filters they come original equipped with its like putting a cork in...
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Old 09-19-2019, 12:01 PM   #3
supereal
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Default Re: non restrictive aircleaner

We have converted all oil bath air cleaners to modern paper filters available at NAPA. No more oil mess, and the flow is unrestricted. When in place, it does not alter the appearance of the cleaner.
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Old 09-19-2019, 01:02 PM   #4
Darrell S
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Default Re: non restrictive aircleaner

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Originally Posted by supereal View Post
We have converted all oil bath air cleaners to modern paper filters available at NAPA. No more oil mess, and the flow is unrestricted. When in place, it does not alter the appearance of the cleaner.
Is there a paper filter that will fit into the original air cleaner?
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Old 09-19-2019, 01:19 PM   #5
51 MERC-CT
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Default Re: non restrictive aircleaner

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Originally Posted by Darrell S View Post
Is there a paper filter that will fit into the original air cleaner?
Most oil bath filters may need a little modification and ingenuity to prepare the cleaner assembly for the installation of a dry filter.
Then measurements have to be made to determine what size filter will work.
This site (K&N) will give some of the sizes available by plugging in the size you need.


https://www.knfilters.com/search/uni...und-air-filter
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Old 09-19-2019, 03:05 PM   #6
tubman
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Default Re: non restrictive aircleaner

If it doesn't flow enough the way it is, it looks like you have enough room to stack one filter element on top of another. That's what I did with the 2GC on my '51. You just need to make longer mounting studs.
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Old 09-19-2019, 05:42 PM   #7
RKS.PA
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Default Re: non restrictive aircleaner

Quote:
Originally Posted by Darrell S View Post
Is there a paper filter that will fit into the original air cleaner?
Although this doesn't relate to the OP question, we did a recent post on converting the original oil bath to a paper...in my case WIX....filter. Check Search for the postings.
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Old 09-19-2019, 05:46 PM   #8
RKS.PA
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Default Re: non restrictive aircleaner

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Originally Posted by estout81 View Post
Think this will flow enough air for a flathead?
Your setup sure looks sweet!! How does it perform under varying driving conditions?
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Old 09-19-2019, 10:31 PM   #9
estout81
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Default Re: non restrictive aircleaner

RKS,
Thanks. Haven't tried it out yet. Just put it on today but, had other things to do and didn't get to drive it.
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Old 09-19-2019, 10:55 PM   #10
Ford Freak
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Default Re: non restrictive aircleaner

Where did you get the 2 carb mounts in the first (far left) pic ?
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Old 09-19-2019, 11:45 PM   #11
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Default Re: non restrictive aircleaner

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Originally Posted by estout81 View Post
Think this will flow enough air for a flathead?
Looks far better than those upside-down chromed soup cans that are seen far too often!
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Old 09-20-2019, 05:11 AM   #12
chap52
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Default Re: non restrictive aircleaner

I ended up using scoops with foam inserts on my dual 94's. Ran great. I first tried the chrome cans and couldn't get the carbs to sync properly. Chap
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Old 09-20-2019, 09:11 AM   #13
tubman
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Default Re: non restrictive aircleaner

"Chap52" - What kind of foam is that? Is it something special? I would think just plain foam rubber stuffed into the scoops would be quite restrictive. No criticism, just a little curiosity.
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Old 09-20-2019, 09:14 AM   #14
19Fordy
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Default Re: non restrictive aircleaner

I used 2 similar set ups on a Holly 390 and it works fine. First photo uses a Kand N filter.
I forget what filter came with the 2nd photo but it worked fine also.
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Old 09-20-2019, 10:28 AM   #15
estout81
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Default Re: non restrictive aircleaner

Ford Freak,
The top and bottom plates I made. I used the bottom part of the little chrome air cleaners to adapt the bottom plate to the carburetors. Bottom plate is a piece of metal cut out of an old car hood and the top is a piece of .050 aluminum. The filter is a NAPA Gold 6150.
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Old 09-20-2019, 05:29 PM   #16
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Default Re: non restrictive aircleaner

estout81 - Ok - thanks . You did a great job ! - F F
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Old 09-20-2019, 05:32 PM   #17
Ford Freak
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Default Re: non restrictive aircleaner

19Fordy - That is one sweet looking engine . Nice work !!
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Old 09-20-2019, 05:41 PM   #18
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Default Re: non restrictive aircleaner

Quote:
Originally Posted by tubman View Post
"Chap52" - What kind of foam is that? Is it something special? I would think just plain foam rubber stuffed into the scoops would be quite restrictive. No criticism, just a little curiosity.

tubman makes a good point . I was thinking the same thing because I did something similar yrs. ago , and the engine ran a little on the rich side .
It was as if I had the choke partially closed , restricting the air . However , I may have used some foam that was too restrictive , as I got it from an upolstery shop . Your results may vary . F F
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Old 09-20-2019, 05:46 PM   #19
estout81
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Default Re: non restrictive aircleaner

Thanks for the complement Ford Freak but, I think 19Forty out did me.
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Old 09-21-2019, 07:23 AM   #20
chap52
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Default Re: non restrictive aircleaner

Tubman,
The foam that came with the scoops didn't look like anything "special". It was quite porous and did not seem to restrict flow. I no longer have the truck so I can't take any more pictures.
As I recall, originally the foam was just placed between the scoop and the carb. I cut a round piece of 1/4 inch hardware screen material and placed it between the carb and foam. I was concerned that wimpy foam placed directly over the top of an air sucking carb was asking for trouble. Chap
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