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Old 07-31-2012, 11:00 AM   #1
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Oil Filters

Anybody using a FL842 filter on their D-tech's? Just looking for a bigger filter, I'm already using a FL400 for a little while now. Since I'm on oil filters, Anybody tried the bosch filter?


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Old 07-31-2012, 11:43 AM   #2
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I just ordered a Bosch Distance Plus off of Amazon over the weekend, should be here today. I ordered the recommended part number though. I don't know how to properly look up "plus size" filters. But the extra debris holding capacity touted on the Bosch site for the Distance Plus model was really intriguing to me.
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Old 07-31-2012, 12:49 PM   #3
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I used is Mobile 1 since day one and only change it every 10,000 miles. So far I have 180000 miles with no problems
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Old 07-31-2012, 12:53 PM   #4
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Originally Posted by focuz View Post
I used is Mobile 1 since day one and only change it every 10,000 miles. So far I have 180000 miles with no problems
Don't mean to hijack the thread, but @focuz: Are you using High Mileage oil now or.... what are you using? I purchased my Focus used with 130k miles on it and I'm about to do my first oil change. So I don't know what's been used in it up to this point.
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Old 07-31-2012, 12:54 PM   #5
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No standard mobile 1, supposedly (it says on the oil jug) you can go 15,000 on the extended but that's way to much of a gap for me.
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Old 07-31-2012, 02:45 PM   #6
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If the first generation focuses are like the second, I'd be afraid of hitting a bigger filter on things.
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Old 07-31-2012, 04:39 PM   #7
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My Bosch Distance Plus came today. On the way home I stopped in at an AutoZone and they stocked the comparable MotorCraft filter. This is my first time looking at filters for my Focus, I've only had it two weeks.

Both the filters are made in the USA. It seemed to me the Bosch was noticeably heavier than the MotorCraft. The Motorcraft was $5.99, the Bosch was a little over $10 off of Amazon w/ free shipping.

That's all I know so far. Here's the link to the Bosch filter on Amazon.
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Old 07-31-2012, 05:17 PM   #8
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I posted this in another thread a while back:

Please consider the following non-professional opinion and remember that using the incorrect filter could cause severe engine damage and injury.


I think the FL820 crosses to a Wix 51372, which would not work. The 51372 has different thread pit (22x1.5mm) versus the factory (3/4-16).

A larger filter which should work is the 51516. This filter has the correct threads, gasket diameters, bypass valve setting, and flow rates (at least with Wix). Problem is, this filter is longer and not wider.. So you're still killing your ground clearance.

A filter that MAY work is the 51085. This filter has the correct threads, bypass and GPM. However, the gasket is slightly different (2.8 O.D vs 2.7 factory and 2.46 I.D. vs 2.43 factory.) It is about the same height (3.836 vs 3.404 factory) but is significantly wider (3.66 O.D. vs 2.921 Factory). It also has a higher burst pressure so you shouldn't have to worry about that, and has an anti-drainback valve.

Still heading the wrong direction with ground clearance, but the right direction with additional filtration, you could consider a bypass filter kit. These kits filter the oil down to a MUCH lower particle size. The average spin on full flow oil filter will get you down to the 15-20 micron size. A high efficiency bypass filter will filter down to the 2-6 micron range. This is the kit I just threw on my car, but there are many other options available. I'm going to do an oil analysis around 10k miles to see how it is doing, and I'll probably shoot for oil change intervals around 15-20k miles depending on how the analysis and TBN come back.

http://www.focusfanatics.com/forum/showthread.php?t=278429



The filter you are considering cross references with the 51085. From what I've gathered, it SHOULD work... but its your $5000 engine you're playing with, not mine. I certainly would keep a very close eye on it if I tried a different filter. I plan on giving it a shot next time. I'm still about 5,000 miles away from 20,000 miles on this oil change, which is barely a month of driving for me.. So I'll know soon.


EDIT IN: Just realized that was YOUR thread I posted in. lol. I'm probably not much help providing the exact same info again, am I? Sorry!
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Old 07-31-2012, 05:21 PM   #9
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I use Wix Filters
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Old 07-31-2012, 06:01 PM   #10
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Quote:
Originally Posted by Miller88 View Post
If the first generation focuses are like the second, I'd be afraid of hitting a bigger filter on things.
FL842 is a bigger diameter a tad bit taller, but not as tall as a FL400. I was looking at the bigger diameter compared to the 910's & 400's
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