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Strangely Modified 413 Air Cleaner
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FINS!
Posted 2017-07-23 12:49 PM (#544676)
Subject: Strangely Modified 413 Air Cleaner


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This was on a '61 Imperial I parted out. The snorkel was remove and tubes were welded to the lid and to the side. Anyone have any idea what this would be for? PCV valve?



(413 Air Cleaner 1.jpg)



(413 Air Cleaner 2.jpg)



(413 Air Cleaner 3.jpg)



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Attachments 413 Air Cleaner 1.jpg (120KB - 93 downloads)
Attachments 413 Air Cleaner 2.jpg (169KB - 93 downloads)
Attachments 413 Air Cleaner 3.jpg (199KB - 99 downloads)
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StillOutThere
Posted 2017-07-23 1:16 PM (#544678 - in reply to #544676)
Subject: Re: Strangely Modified 413 Air Cleaner



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Location: Under the X in Texas
Positive crank case ventilation. Mechanics did whatever they could according to federal laws that kept changing (especially in California) to get cars to pass inspections. This is one of those "attempts".
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miquelonbrad
Posted 2017-07-23 2:37 PM (#544681 - in reply to #544676)
Subject: Re: Strangely Modified 413 Air Cleaner



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So, when smog laws first were instituted, they didn't grandfather the older cars without controls? That seems unfair...
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57chizler
Posted 2017-07-23 2:54 PM (#544683 - in reply to #544676)
Subject: RE: Strangely Modified 413 Air Cleaner



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The one on the side is for crankcase vent but the one in the lid could be for water injection...often added to prevent detonation when using modern gas with high-compression motors.
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StillOutThere
Posted 2017-07-23 4:12 PM (#544685 - in reply to #544676)
Subject: Re: Strangely Modified 413 Air Cleaner



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Location: Under the X in Texas
Can't speak for other states but for a time in the '80s, California law wanted EVERY old car to have a PCV and a zillion air cleaners and vent pipes got destroyed on antique cars.
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LostDeere59
Posted 2017-07-23 8:00 PM (#544694 - in reply to #544676)
Subject: RE: Strangely Modified 413 Air Cleaner



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Crankcase ventilation and water injection both came to my mind immediately as well.

But another possibility is some kind of home-brewed propane set-up.

It would be interesting to know where those two tubes went from the air filter housing . . . .


Gregg
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56D500boy
Posted 2017-07-24 8:30 AM (#544721 - in reply to #544676)
Subject: RE: Strangely Modified 413 Air Cleaner



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FINS! - 2017-07-23 12:49 PM
This was on a '61 Imperial I parted out. The snorkel was remove and tubes were welded to the lid and to the side. Anyone have any idea what this would be for? PCV valve?


Maybe it was factory = at least one of them for the crankcase ventilation as per this 56 Imperial:

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FINS!
Posted 2017-07-24 7:15 PM (#544776 - in reply to #544676)
Subject: RE: Strangely Modified 413 Air Cleaner


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That's interesting, I thought maybe PCV for the one on the side but never thought of water injection. Not even familiar with that. Car was from Illinois. I will have to dig out the pics of the motor and see if anything was connected, I don't remember now. I was told the car had not run since 1968-70.
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58coupe
Posted 2017-07-24 10:43 PM (#544796 - in reply to #544676)
Subject: Re: Strangely Modified 413 Air Cleaner



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If you are familiar with PCV, you want to draw clean air into the engine and the fumes out the other side, thus the 2 tubes. Did the larger tube on the side have any type of filter on it or did it go to the inside of the filter?
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1960fury
Posted 2017-07-25 7:57 AM (#544801 - in reply to #544796)
Subject: Re: Strangely Modified 413 Air Cleaner



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water injection..... i like that. anybody here tried that with a vintage v8? i have a kit for ages on my ebay watch list. my car changes its personality in foggy and cool fall weather.
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jboymechanic
Posted 2017-07-25 12:09 PM (#544808 - in reply to #544721)
Subject: RE: Strangely Modified 413 Air Cleaner



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56D500boy - 2017-07-24 7:30 AM

FINS! - 2017-07-23 12:49 PM
This was on a '61 Imperial I parted out. The snorkel was remove and tubes were welded to the lid and to the side. Anyone have any idea what this would be for? PCV valve?


Maybe it was factory = at least one of them for the crankcase ventilation as per this 56 Imperial:



My 1956 Imperial had no such PCV system, nor is one mentioned in the Factory Service Manual. The valve looks identical to the PCV valve on my 1966 318 Poly that was adapted to the oil fill tube/vent.
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Powerflite
Posted 2017-07-25 12:52 PM (#544814 - in reply to #544801)
Subject: Re: Strangely Modified 413 Air Cleaner



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1960fury - 2017-07-25 4:57 AM

water injection..... i like that. anybody here tried that with a vintage v8? i have a kit for ages on my ebay watch list. my car changes its personality in foggy and cool fall weather.


In general, water injection reduces performance (but really cleans out your carbon deposits!). Some of that performance hit can be minimized by using the water to cool the incoming fuel/air mixture. But if you are trying to run large boost with a turbo or supercharger and your fuel doesn't have the octane level required, water injection can improve your performance by preventing pre-ignition and allow you to run higher boost levels. I haven't tried it myself, but I know of people who have, especially in regards to racing in the street-legal pump-gas drag racing event which requires standard premium fuel.

That said, the port on the air cleaner doesn't make much sense to me for use with water injection. It is too large for that. Water injection is best done with little nozzles similar to the way nitrous is injected into the motor.
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Greg P.
Posted 2017-07-25 1:50 PM (#544815 - in reply to #544683)
Subject: RE: Strangely Modified 413 Air Cleaner



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57chizler - 2017-07-23 2:54 PM

The one on the side is for crankcase vent but the one in the lid could be for water injection...often added to prevent detonation when using modern gas with high-compression motors.


The hose on the lid could have been part of the home-brew PVC system. One hose could have been routed to the opposite valve cover to provide a source of filtered fresh air to replenish the air to replace the air drawn from the PCV Valve. The earliest PCV systems did not have this, but later ones did.

Interesting that crankcase ventilation was a $5 Option in 1961 when it first appeared. My 61 Newport has it. Probably money well spent.

Edited by Greg P. 2017-07-25 1:53 PM




(Clipboard02.jpg)



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Attachments Clipboard02.jpg (22KB - 101 downloads)
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60 dart
Posted 2017-07-25 4:22 PM (#544822 - in reply to #544676)
Subject: Re: Strangely Modified 413 Air Cleaner



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maybe the top tube is a primer/starting fluid tube -------------------------------------------later
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westwoodblue
Posted 2017-07-25 9:18 PM (#544859 - in reply to #544676)
Subject: Re: Strangely Modified 413 Air Cleaner


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http://www.allpar.com/cars/imperial/pogue-imperial.html
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FINS!
Posted 2017-07-30 7:51 PM (#545201 - in reply to #544676)
Subject: RE: Strangely Modified 413 Air Cleaner


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Well I guess I never took any pics of the motor before I parted it out. Thinking about it now, I believe the tube on the side went to a cap on the valve cover. The one on the lid might done the same, to the other valve cover. I don't recall there being a PCV valve though. But this was last year.

Anyone want this air cleaner? Otherwise I'm going to scrap it.

Edited by FINS! 2017-07-30 7:52 PM
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