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Old 01-02-2014, 08:55 PM   #1
Admiral
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Default Restored Air Cleaner



I just finished restoring the air cleaner for my í36 Fordor. I think it turned out pretty well; itís amazing what a wire wheel and a little paint will do. But thatís not allÖ



I modified the housing to accept a modern, washable conical filter. With a few small changes (and quite a bit of work) it fits beautifully in the assembly. The whole thing had to be gutted, which was quite a process.







Now, before you all get your britches in a bind Iím not one that normally destroys scarce antique items that are perfectly good. But the problem is a previous owner of my car thought it was a good idea to BEAD BLAST the air filter housing. As you guys know these items arenít really serviceable. No amount of blowing with the air hose or washing in the parts tank could get all of that abrasive crap out of the housing, which is why I made the tough decision to tear it apart and make these modifications.

On the bright side it should filter much better than the stock assembly and probably flow a lot more in the process.
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Old 01-02-2014, 10:23 PM   #2
moonshine runner
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Default Re: Restored Air Cleaner

Looking good!!

Kevin
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Old 01-04-2014, 05:38 PM   #3
al's28/33
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Default Re: Restored Air Cleaner

Good thinking! and it looks great!
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Old 01-04-2014, 05:44 PM   #4
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Default Re: Restored Air Cleaner

Hi there, Very good job. Could you please post the brand name and part number of that washable filter. THANKS. Regards, Kevin.
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Old 01-05-2014, 12:00 AM   #5
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Default Re: Restored Air Cleaner

Restored??? Wouldn't the proper term be re-designed???

Your wife is going to climb your frame if you mess up that nice breakfast table. LOL
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Old 01-05-2014, 03:27 AM   #6
Graeme / New Zealand
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Looks good and I like your beer stein too.

GB
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Old 01-05-2014, 06:48 AM   #7
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Quality one. Excellent work!
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Old 01-05-2014, 07:15 AM   #8
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Admiral,
How did you separate the top and bottom ?
Charlie ny
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Old 01-06-2014, 09:08 AM   #9
Admiral
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Default Re: Restored Air Cleaner

Quote:
Originally Posted by koates View Post
Hi there, Very good job. Could you please post the brand name and part number of that washable filter. THANKS. Regards, Kevin.
Koates, the brand is Spectre. I bought it at Advance Auto Parts. It's a generic version of K&N and only cost about $20, which is less than half the price. I do not know the part number... I mistakenly threw the box away! I'll get you some measurements later today.

Quote:
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Restored??? Wouldn't the proper term be re-designed???

Your wife is going to climb your frame if you mess up that nice breakfast table. LOL
Yeah, perhaps. No need to worry, there's no wife to quarrle with and that's not a breakfast table; it's actually a stand-up desk I made a few years ago out of scrap hardwood flooring.

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Admiral,
How did you separate the top and bottom ?
Charlie ny
Charlie, I separated the canister just below top flange. I chucked it up in the lathe, ran it in back gear (SUPER slow) and ground it apart with a cut-off wheel. With how thin the metal is and how off-center it tends to clamp in the chuck you CANNOT use a regular cutter.
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Old 01-06-2014, 01:38 PM   #10
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Quote:
Originally Posted by koates View Post
Hi there, Very good job. Could you please post the brand name and part number of that washable filter. THANKS. Regards, Kevin.
Koates,

The smaller end of the filter measures just about 4.75 inches in diameter; the larger one clocks in at 6 inches. The whole assembly measures about 6.25 inches high BUT you have to cut the rubber adapter off the filter so it fits in the assembly (see picture below). I used a utility knife to do this and simply cut it off at the base of the filter element. With a sharp blade it cuts like butter. With the adapter portion removed it measures about 4.625 (4 5/8) inches high.



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Old 01-06-2014, 02:39 PM   #11
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Default Re: Restored Air Cleaner

Quote:
Originally Posted by Admiral View Post
Charlie, I separated the canister just below top flange. I chucked it up in the lathe, ran it in back gear (SUPER slow) and ground it apart with a cut-off wheel. With how thin the metal is and how off-center it tends to clamp in the chuck you CANNOT use a regular cutter.
I may try to separate a beatup one like that I have with surface rust pitting, but I would probably try making the cut at the bottom of the crimped flange so there would still be a flange on the top and bottom halves. I think this might keep the mating areas on both halves a bit stronger. I am also thinking maybe it could be made into an oil bath and keep the original dry filter element and screen at the to to look original. Just some thoughts. This may wind up being a better method of separation than the previous method of cutting those three legs at the top and soldering them back together after new elements are installed. Just some random thoughts but it took your pictures to get me thinking
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Old 11-22-2014, 08:35 PM   #12
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Default Re: Restored Air Cleaner

The Spectre filter # is 9132 and it was $20 at the above mentioned store. This modification isn't a quick little project. Some fab work, and a LOT of zip wheel, nibbler, metal snips, files, rotary grinders of various types to get all the metal out of the inside to make it all work out. All that being said it will be worth it to me. I cant imagine that the stock "air filter" really did much of anything save keeping the leaves out of the carb throat!
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Old 02-22-2015, 03:48 PM   #13
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Default Re: Restored Air Cleaner

I don't think any of us run our cars around on dusty dirt roads, at least I don't so I followed Fords instructions, " Wash with gasolene(I use laundry soap) rinse and dry, coat with engine oil and replace". I have run the old 35 since 1959, still runs good and uses no oil so must be an safe method.
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Old 02-22-2015, 05:53 PM   #14
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Default Re: Restored Air Cleaner

Keith, what part are you referring to when you say Ford's instructions are to rinse with gas, etc ?. is it the wire mesh behind the square screen filter ?. thanks
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Old 02-22-2015, 07:12 PM   #15
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Default Re: Restored Air Cleaner

Quote:
Originally Posted by Jakno View Post
Keith, what part are you referring to when you say Ford's instructions are to rinse with gas, etc ?. is it the wire mesh behind the square screen filter ?. thanks
Yes, the metal mesh should be oiled per Ford.
Here is the decal that the manufacturer attached to the side of the 1937 Ford Air Cleaner. Left is a 1939 aircleaner (91A-9600) and on the right is a 1937 part (78-9600)
Attached Images
File Type: jpg 1937-1939%20Ford%20Air%20Cleaner%20Decal.jpg (22.8 KB, 59 views)
File Type: jpg DSCF9782.jpg (63.7 KB, 124 views)

Last edited by TonyM; 02-22-2015 at 07:18 PM.
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Old 01-22-2018, 08:41 PM   #16
Admiral
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Default Re: Restored Air Cleaner

It's been brought to my attention that the images on this thread have not been showing up. Some people wanted to see how I completely reworked the air cleaner on my '36. In case the original photos, which are hosted on that dreadful website Photobucket.com, aren't displaying properly, I've attached resized copies here. Hope this helps!
Attached Images
File Type: jpg Air-Cleaner-01.jpg (73.9 KB, 135 views)
File Type: jpg Air-Cleaner-03.jpg (98.8 KB, 135 views)
File Type: jpg Air-Cleaner-05.jpg (91.5 KB, 129 views)
File Type: jpg Air-Cleaner-07.jpg (92.4 KB, 126 views)
File Type: jpg Air-Cleaner-08.jpg (79.9 KB, 128 views)
File Type: jpg Air-Cleaner-10.jpg (91.8 KB, 129 views)
File Type: jpg Air-Cleaner-09.jpg (90.4 KB, 130 views)
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Old 01-23-2018, 12:06 AM   #17
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Default Re: Restored Air Cleaner

Thanks Craig for the reposting.
Regards
Jim
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Old 01-23-2018, 07:18 AM   #18
lotsagas4u
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Default Re: Restored Air Cleaner

Very nice work, did these air cleaners always have the top pad? I have seen some with and some without. Can you buy replacements?
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Old 01-23-2018, 10:41 AM   #19
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Default Re: Restored Air Cleaner

Why am I unable to see the photos in the earler postings? Seems like some problem with Photobucket.
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Old 01-23-2018, 11:31 AM   #20
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Default Re: Restored Air Cleaner

Those links are no longer allowed, except with a high fee which most will not pay.
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