Oil filter canister lines
Posted by Brian A. On 2016/11/7 15:32:51
Hello Everyone,
A while back I noticed my lines to and from the oil filter canister are reversed. The supply line runs from the cylinder head to the bottom of the canister and the return line runs from the top of the canister to the fitting next to the oil filler tube. This current set up means the oil filter is filtering the oil from the inside out. Probably not very efficient. My real concern about this setup is that when you shut down the engine and the oil drains back into the engine it back flushes the filter back into the engine. Not good. I am going to bend some new lines to get the oil flowing in the right direction. One of the 90 degree fittings on the filter housing has a restriction built in. Is this restriction necessary or was it someone's attempt to create more back pressure and stop the oil starvation Packard was dealing with or is it to reduce the pressure in the filter canister? As you can see, this restriction really cuts down on the amount of oil flowing into the filter.
Attach file:
(9.64 KB)
A while back I noticed my lines to and from the oil filter canister are reversed. The supply line runs from the cylinder head to the bottom of the canister and the return line runs from the top of the canister to the fitting next to the oil filler tube. This current set up means the oil filter is filtering the oil from the inside out. Probably not very efficient. My real concern about this setup is that when you shut down the engine and the oil drains back into the engine it back flushes the filter back into the engine. Not good. I am going to bend some new lines to get the oil flowing in the right direction. One of the 90 degree fittings on the filter housing has a restriction built in. Is this restriction necessary or was it someone's attempt to create more back pressure and stop the oil starvation Packard was dealing with or is it to reduce the pressure in the filter canister? As you can see, this restriction really cuts down on the amount of oil flowing into the filter.
Attach file:
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