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Discussion Starter #1
OK. I would like to use a larger oil filter on my 2013 Ford Focus. Before anyone starts with “do you think you are smarter than the Ford engineers”, let me just say that I can sight numerous examples where factory engineers have been dead wrong. Anyway, I just want to use a filter with more capacity. From past information on this Board I have learned about some alternate oil filter choices. The factory spec oil filter from Mobil 1 the M-102 has the dimensions as follows.

Height 3.404
OD 2.98

Gasket Size
OD 2.738
ID 2.430
Thickness .226

The filter I was going to use was the M1-204 has the following dimensions.
Height 3.75
OD 3.69

Gasket Size
OD 2.834
ID 2.462
Thickness .20

When I tried to use the M1-204, the gasket seemed to be rubbing on the block, so I put The M- 102 on.

So my question is, have any of you made this switch to a similar size filter as the M-204 on the Focus and am I being overly cautious. If you think or know the M-204 will not fit is there another filter size I can use to get more filter capacity?
Thanks in advance,
kajunman
 

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44,595 Posts
I'll try this in the MkIII section for you.

Many owners of earlier models have found fitments to give a larger oil capacity, even if the small filters currently popular supposedly have the same surface area of filtering media. (Duratech fitments might work for yours)

Can't remember if it came up in the "oil change 101" thread that's stickied, or prev. in the duratec TiVCT performance section.
 

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My signature says it all. The Motorcraft FL-400S is the same thread as the stock FL-910S, just slightly longer.

Since you are being very specific, Ford engineers specified a threaded end pressure relief valve for the OEM filter so I would stick with that. Many aftermarket filters utilize a dome end valve that can theoretically allow unfiltered oil into the engine. The genuine Motorcraft filter is a much better filter than most people realize and is a bargain at $3.97 at Wally World.

You might want to study this before you decide:
http://www.google.com/url?url=http:...QQFjAA&usg=AFQjCNGUBbWFfar_jwVk4yGlTNNeWvAmEA
 

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My signature says it all. The Motorcraft FL-400S is the same as the stock FL-910S, just slightly longer.

Since you are being very specific, Ford engineers specified a threaded end pressure relief valve for the OEM filter so I would stick with that. Many aftermarket filters utilize a dome end valve that can theoretically allow unfiltered oil into the engine. The genuine Motorcraft filter is a much better filter than most people realize and is a bargain at $3.97 at Wally World.

You might want to study this before you decide:
http://www.google.com/url?url=http:...QQFjAA&usg=AFQjCNGUBbWFfar_jwVk4yGlTNNeWvAmEA
Didn't the 400S shrink in size some years ago? I've used them on my Escort SPI and F-150 4.2 for years. Seems like about 5 years ago, when purchasing a 400S I couldn't believe the size change. I can't imagine anything being "shorter" than a 400S.

Then again, maybe it was the 820S that got shorter. Heck if I know.
 

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Wix 51034 --> http://www.wixfilters.com/Lookup/PartDetails.aspx?Part=51034
51288 --> http://www.wixfilters.com/Lookup/PartDetails.aspx?Part=51288
51516 --> http://www.wixfilters.com/Lookup/PartDetails.aspx?Part=51516
Maybe 57348 --> http://www.wixfilters.com/Lookup/PartDetails.aspx?Part=57348

This is a better filtering stock replacement --> http://www.wixfilters.com/Lookup/PartDetails.aspx?Part=57148


Anything else, dig yourself.
The 57148 is the only filter I'd switch to if I were you. The amount of oil a filter holds it all but irrelevant. Nominal micron ratings are more important.
 

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I had a 2003 Focus 2.3, a 2007 Fusion 2.3 and currently a 2011 Fusion 2.5, all using the FL-910s filter. Never any oil issues. 2007 Fusion had 134,000 miles when I traded it in in the 2011 which currently has 94,000 miles.

My 2014 Focus, purchased July 15, currently has 6800 miles. No problems yet.
 
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