TopGhia

<b>Wix 51515 Oil Filter</b>


It is a replacement for the Z9, but is a better design in that it has the bypass valve near the open end of the canister. The American Motocraft FL1-A is the same, but the Motorcraft Aussie filter is just a Z9 in disguise, and has the bypass valve at the closed end.

Ryco import these from USA, has anyone seen them in the shops, Autobarn, Supacheap or somewhere? Price?

thanks fellas.

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Aussiblue

see http://www.angelfire.com/indie/truck/oilfilterstudy.htm

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TopGhia

Now I'm confused, that Wix seems it may have sealing problems. In that study it said the FL1-A had a closed end bypass valve and not in the open end as I thought.

The big question is "how often does an oil filter bypass open", given 5,000k oil changes and a 20W-60 gas engine oil? The Z9 opens at 15psi and the Wix about 8-10psi.

The reason for all this is that I bought a magnet that fits on the end of the oil filter, which sounds like a good idea. But if the bypass is down the end near the magnet, when the bypass opens, some of this crap held by the magnet may wash into the engine. So a bypass in the open end would be better (the oil does not wash over the "dirty" side of the filter up to the bypass at the end).

Maybe a magnetic drain plug might be safer.

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svo347

Sounds bogus....

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