My flathead 170 has the optional oil filter with a replaceable cartridge inside a housing that is bolted to the engine's cylinder head on the distributor side of the block. A small diameter steel line carries oil to the filter housing from the intake/exhaust side of the block; another line from the bottom of the filter housing returns the oil to the engine on the distributor side of the block. I assume the oil going to the filter is being diverted from one of the oil galleys, perhaps the one carrying oil to the cam bearings.
Obviously, only a small fraction of the engine's oil is being sent to the filter through that tiny steel line, and what is being sent is a totally random sample. I'm wondering what the current opinion is on the usefulness of that stock filter and if there is a good option for a filtration system that filters much more of the engine oil.
I know some people are going to say that any oil that gets filtered is better than none, but I have a feeling that None is just about the amount the stock system is actually filtering. Does anyone have any good information on the effectiveness of the stock filter system? Or does anyone have any good options for getting more of the engine oil filtered more of the time? Thanks.
Obviously, only a small fraction of the engine's oil is being sent to the filter through that tiny steel line, and what is being sent is a totally random sample. I'm wondering what the current opinion is on the usefulness of that stock filter and if there is a good option for a filtration system that filters much more of the engine oil.
I know some people are going to say that any oil that gets filtered is better than none, but I have a feeling that None is just about the amount the stock system is actually filtering. Does anyone have any good information on the effectiveness of the stock filter system? Or does anyone have any good options for getting more of the engine oil filtered more of the time? Thanks.
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