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Veteran
Posts: 168
 
Location: Leeds, England | Has anyone had/heard of oil getting sucked into carb from oil bath cleaner. I have a 56 NY with a 354 (just got) after about half an hour of driving ok car is starting to stall and strugling to re start. I am sure this could be many things but on taking oil bath unit off to look at carb i noticed oil down, i toped up, went out next night and same thing happened, driving ok, then running rough, then refusing to start, oil gone. Choke not stuck. was running fine.
Any suggestions, unfortunately my mechanical ability/knowledge is weak , which i know is a bit of a problem running cars like these!
Any suggestions appreciated
Simon |
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Expert 5K+
Posts: 6203
 
Location: Big pimpin' | I would look into trying to get away from an oil bath air cleaner today for this reason alone. |
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Board Moderator
Posts: 3186
Location: The not-so-great, dirty-white North ( Michigan) | The oil used in an oil bath air cleaner is straight 30W oil IIRC from my service manual. But oil in the bottom of the sump is not the only item in the air cleaner housing. From Wikipedia: An oil bath air cleaner consists of a sump containing a pool of oil, and an insert which is filled with fibre, mesh, foam, or another coarse filter media. When the cleaner is assembled, the media-containing body of the insert sits a short distance above the surface of the oil pool. The rim of the insert overlaps the rim of the sump. This arrangement forms a labyrinthine path through which the air must travel in a series of U-turns: up through the gap between the rims of the insert and the sump, down through the gap between the outer wall of the insert and the inner wall of the sump, and up through the filter media in the body of the insert. This U-turn takes the air at high velocity across the surface of the oil pool. Larger and heavier dust and dirt particles in the air cannot make the turn due to their inertia, so they fall into the oil and settle to the bottom of the base bowl. Lighter and smaller particles are trapped by the filtration media in the insert, which is wetted by oil droplets aspirated there into by normal airflow. So you need the filter mesh and screen as well, so maybe these items are missing? If those pieces are absent, you can make them and place into the filter housing. They have to be a good tight (but not overtight) fitment. A coarse nylon filter matrix sandwiiched between two screens of steel screening should do. |
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Extreme Veteran
Posts: 395
Location: Netherlands | I would also advice on getting away from the oil bath filter. Modern filters are just so much better.
There was a good thread on the conversion to a modern filter inside the oem housing...
Edited by Windsor Wendy 2012-05-24 5:39 PM
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Expert
Posts: 3402
Location: Chestertown, NY ( near Lake George) | Where are you putting this oil? |
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Expert
Posts: 1530
Location: ZH, Switzerland | I had the same problem with my 1956 Chrysler New Yorker. It was not related to the oil bath cleaner. The reason was the spark jumped from the high voltage terminal of the distributor to the plus terminal - not all the time, but when hot it was almost impossible to start the engine. The spark I noticed in the barn (quite dark there).
Good luck and happy motoring!
Dieter
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Veteran
Posts: 168
Location: Leeds, England | Guys
Thanks for the input, i think i will look into adapting existing housing to take paper filter even if this doesn't turn out to be cause of current issue.
Dave - i was putting the oil in the inner rim about half way to the mark. Judging by the comments i probably should have used heavire oil.
Dieter - i will check for this.
I have a friend who know more than me will have a look next week. Vapour lock could be another cause as things warm up?. The car was not really used much for many years prior to recent transrebuild and will have only done very short journeys.
Simon |
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Elite Veteran
Posts: 608
Location: Madison, Wisconsin | Here is the link to the pictures and comments on the oil bath conversion I did. Let me know if you have any questions.
http://www.forwardlook.net/forums/photos/photo-thumbnails.asp?album... |
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| I like that conversion a lot, old school look with new school performance. One hint, use a sharpie to mark a replacement filter number on the new cartridge or use a K&N reusable type. |
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Board Moderator & Exner Expert 10K+
Posts: 13055
Location: Southern Sweden - Sturkö island | |
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Elite Veteran
Posts: 608
Location: Madison, Wisconsin | Wizard, I believe I could have used a K&N filter as Richard suggested and it would be taller to not require two filers stacked to reach the height needed. I will respond with the filter part numbers I used, but they are getting harder to find as many of the filters with the size requirements are for older model cars. As it was, when I found the filters that I used, I purchased a whole box of them to stock in my garage. I also like the idea that Richard suggests because they are reusable. That would be my recommendation. Also good suggestion on the filter part number in sharpie. I will do that. |
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Elite Veteran
Posts: 608
Location: Madison, Wisconsin | Use 2 filters (7 1/2" ID, 2" high) for an early 80's Dodge Colt, Plymouth Horizon, or Honda Civic):
Mopar L573 FRAM CA3490 Motorcraft FA869
AC A757C Purolator FCA15 K-Mart KA55
Also, a K & N washable element could be used: 7 1/2" ID x 4" high.
I used the FRAM filter noted above... BTY. The idea to convert the oil bath air cleaner is not my original idea. Credit must be given to Dave Homstad a member of this forum/list. |
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Expert
Posts: 1530
Location: ZH, Switzerland | 56RoyalLancer - 2014-11-13 4:46 PM Use 2 filters (7 1/2" ID, 2" high) for an early 80's Dodge Colt, Plymouth Horizon, or Honda Civic): Mopar L573 FRAM CA3490 Motorcraft FA869 AC A757C Purolator FCA15 K-Mart KA55 Also, a K & N washable element could be used: 7 1/2" ID x 4" high. I used the FRAM filter noted above... BTY. The idea to convert the oil bath air cleaner is not my original idea. Credit must be given to Dave Homstad a member of this forum/list. Big thank your for your answer. I just looked at Rockauto... there is a WIX filter as well 42912 I assume I'll take that... Kind regards Dieter | Duty Type | LD | | Height | 2.017 in | | Outer Diameter Top | 10.250 in | | Outer Diameter Bottom | 10.250 in | | Inner Diameter Bottom | 7.710 in | | Cubic Feet Per Minute | 160 CFM | | Ends | Plastic | | Class | W | | Style | Air Filter |
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Oil bath problem?
