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Oil Bath Air Filter #1326835 Thu Sep 19 2019 08:17 PM
Joined: Feb 2017
Posts: 24
F
Fancyt Offline OP
New Guy
I have been reading/researching the forum and net for two weeks. Past threads that give a source for buying 50Wt appear to be older and I haven't found any luck in locating the recommended 50wt Non-detergent oil for the original air filter. Amalie did have some but i had to buy a case. I have a 235 engine and live in Florida. All I can locate is 30Wt non detergent. Some posts state they have used it with success but since its only 98 degrees here, I am afraid 30wt may be too low. All the oil companies I call give too much tech info and are typically too young to even know of an oil bath. Some are telling me to use an ISO 220 or 320 grade anti wear hydraulic oil. My question is does anyone have a source for 50W non-detergent?

Last edited by Fancyt; Thu Sep 19 2019 08:18 PM.
Re: Oil Bath Air Filter [Re: Fancyt] #1326847 Thu Sep 19 2019 09:26 PM
Joined: Mar 2016
Posts: 201
K
kades51 Offline
Shop Shark
Fancyt,

My 51 3100 is all back original, including the 216. I run 30W Detergent Oil in my oil bath, cause it's cheap and every parts house has it. Been on the road most all of this year, no problems. And yep, we have the same weather here, you have there.

My truck ain't a daily driver, but weather permitting, it gets run every weekend. I check the oil in it, from time to time, looked like brand new oil last weekend.


Mike

1951 3100 5 window
Re: Oil Bath Air Filter [Re: Fancyt] #1326849 Thu Sep 19 2019 09:32 PM
Joined: Sep 2001
Posts: 29,304
tclederman Online
Boltergeist
Use any brand 50 W (detergent or non-detergent) oil in an oil bath air cleaner.

The oil catches the dust/dirt.
The oil weight allows the oil to migrate into the mesh/element, but supposedly not enough to get sucked into the carburetor.

no need to be synthetic
no need to have any additives


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Oil Bath Air Filter [Re: Fancyt] #1326855 Thu Sep 19 2019 10:12 PM
Joined: Jun 2008
Posts: 288
S
Stove Offline
Shop Shark
Interesting, I have been using transmission fluid.

Re: Oil Bath Air Filter [Re: Fancyt] #1326857 Thu Sep 19 2019 10:26 PM
Joined: Sep 2001
Posts: 29,304
tclederman Online
Boltergeist
What weight/grade transmission fluid?


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Oil Bath Air Filter [Re: Fancyt] #1326860 Thu Sep 19 2019 11:16 PM
Joined: Feb 2004
Posts: 19,687
H
Hotrod Lincoln Offline
Boltergeist
The cheapest 30 weight oil you can find will work just fine. The only purpose for having oil in the filter is to trap the dust and other heavy particles in the air as it makes a 180 degree turn as it passes through the air cleaner. Any oil will work, even hydraulic fluid, transmission fluid, or 90-weight gear lube. There doesn't need to be enough oil in the assembly for it to migrate into the packing of the upper section, although some people like to mist some kind of lightweight aerosol like WD-40 or something similar into the woven part of the filter.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Oil Bath Air Filter [Re: Fancyt] #1326862 Thu Sep 19 2019 11:35 PM
Joined: Sep 2001
Posts: 29,304
tclederman Online
Boltergeist
Thanks, but I'll stick with 50 weight as specified by GM.
Filled to the line on the oil-bath base.

It has worked fine for me for almost 40 years - I would not like to void my warranty.


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Oil Bath Air Filter [Re: Fancyt] #1326868 Fri Sep 20 2019 12:28 AM
Joined: Aug 2012
Posts: 1,742
V
Volfandt Offline
Shop Shark
Tim, you must have that super duper extended warranty, LOL.

Towards the end of my old 216's service life I ran 15w40 in the engine so thats what I ran in the oil bath. I didn't have that super duper warranty so I didn't fear reprisals, LOL.

Re: Oil Bath Air Filter [Re: Fancyt] #1326871 Fri Sep 20 2019 12:39 AM
Joined: Sep 2001
Posts: 29,304
tclederman Online
Boltergeist
smile


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Oil Bath Air Filter [Re: Fancyt] #1326969 Fri Sep 20 2019 09:39 PM
Joined: Jun 2011
Posts: 27
G
GeneBrink Offline
Wrench Fetcher
Amalie makes a 50W non-detergent oil carried at a number of suppliers in FL. Check out http://www.amalie.com/store-locator. Lubriplate also - https://www.lubriplate.com/Where-To-Buy/?q=27.6648274,%20-81.51575350000002&p=1&t=florida&r=1. Thunder Motor Oil is in FL - http://www.thundermotoroil.com/non-detergent_en.html. Good luck

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