Classic cars forum & vehicle restoration.

Rick · Site Admin Joined: 27 Apr 2005 Posts: 22446 Location: UK

What oil should I be using in an oil bath air filter? I'm in the process of fitting a NOS filter to the Dodge, but I'm curious as to what I should put in it?

thanks, R
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D4B · Joined: 28 Dec 2010 Posts: 2083 Location: Hampshire UK

Hi Rick,

On my old VW's I always used normal engine oil, I suppose its only there to catch dust after all!!

Found this discussion about VW ones for you which might be of interest...

Cheers

http://www.thesamba.com/vw/forum/viewtopic.php?t=337399

Ray the rocker · Joined: 01 Aug 2008 Posts: 187 Location: south wales

On most commercials from the fifties to the seventies,we used to use castrol xl--a very light viscosity but any 20/50 would be suitable imo.
Take care not to exceed the reservoir line or arrow markings as you`ll get problems with engine air volume into the venturi being starved.

Cheers---Ray the Rocker....

exbmc · Posted: Fri Sep 16, 2011 8:42 pm Post subject: oil

Generally, we used to fill the oil bath with whatever the engine was having in it. I still service a series2 Land Rover, and that has the same 20w/50 as the engine. As D4B says, it's only to catch dust, and as oil prices are going up, I would tend to use any old own brand from the supermarket.

stuchamp · Joined: 23 Nov 2007 Posts: 546 Location: Iowa, USA

Same as exbmc mentioned. Back in the day usually 30w summer and 10w winter in the northern areas. Just use the oil that you're using in the crankcase.