Boats For Sale:
Oil Filter Comparison/Evaluation |
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PAPA 
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Joined: October-06-2009 Location: Fremont, In Status: Offline Points: 202 |
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 Posted: April-23-2013 at 6:26pm |
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Funny thing about filters, every part number is built different to different specs as specified by the engine manufacturer. Motorcraft FL-12, is not the same as FL-1-A, or FL-820-S, etc. Same thing can be said about the price, common filters like FL-1-A or FL-820-S are way cheaper and easier to find than a FL-12. Who buys a Motorcraft filter for a small block chevy? lol. One thing I can say about Motorcraft filters is I haven't had to warranty any engines due to one of their filters failing; while I have seen other brands of filters fail and cause catastrophic engine failure. I will continue to use the Motorcraft filters designed by Ford and built by Purolater on my Ford engines. They might not be rated the best but they have done damn well everywhere I have worked since 1969. Just my two cents.
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quinner
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Joined: October-12-2005 Location: Unknown Status: Offline Points: 5828 |
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Posted: April-23-2013 at 6:57pm |
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I do LOL, the PCM Small Block Chevy's of the 2002's and beyond all use a remote filter, FL1A. Was hoping Motorcraft was not as bad as that report indicates. |
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boardersdad
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Joined: June-18-2013 Location: Wisconsin Status: Offline Points: 409 |
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Posted: August-14-2013 at 10:26pm |
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Steve K,
An excellent project, thank you. I have a question about your weighted averaging in your April-22-2013 10:29pm post. The best scoring filters are: FILTER: grade FILTERING/QUALITY/surface/volume K&N HP-3002: grade 3.88 B/A-/b+/a Fram Xtended Guard XG5: grade 3.81 A-/A/c/a Mobil 1 M1-302: grade 3.73 B/A/a-/a Wix (NAPA) 51060: grade 3.42 C/A-/b+/b+ Purolator Pure-one PL34631: grade 3.42 C-/B+/a-/b+ Look at the individual grades... The Mobil 1 B/A/a-/a is better than the K&N B/A-/b+/a, so the Mobil 1 should have the higher weighted grade, correct? I was unable to match the grades values you received. I assume you multiply the weighting times the grade, add, then divide by the weighting total (12). Example: Mobil 1: [5(3.00)+5(4.00)+1(3.67)+1(4.00)]/12 = 3.56, but you get 3.73. Am I miscalculating this? Another question: Are all the oil filter part numbers you list for the PCM 351W? I haven't looked any of them up. Thanks, I love this kind of study. I know, I'm a geek... Steve |
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skutsch
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Joined: June-19-2008 Location: Racine, WI Status: Offline Points: 2874 |
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Posted: August-15-2013 at 4:32pm |
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Steve, I sent you a PM, shoot me your email and I will send you my spreadsheet. Your formula above is essentially correct, I think the difference is how you value each letter grade and how I did.
I don't believe they were, the part numbers were as listed in the original study. Again, I did not complete the analysis, just reinterpreted the data. Yeah, this stuff is cool, there are plenty of us geeks here on this forum. Then even more fun is watching the arguments that flow from the analysis - HA! Enjoy! |
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skutsch
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Joined: June-19-2008 Location: Racine, WI Status: Offline Points: 2874 |
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Posted: August-15-2013 at 4:38pm |
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This is essentially the logic train I used. Now that's not to say there is an error in one of my formula's...
IF(D4="A", 4, IF(D4="A-", 3.75, IF(D4="B+", 3.25, IF(D4="B", 3, IF="B-", 2.75, IF(D4="C+", 2.25, IF(D4="C", 2, IF(D4="C-", 1.75, IF(D4="D+", 1.25, IF(D4="D", 1, IF(D4="D-", .75, IF(D4="F+", .25, 0))))))))))) |
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boardersdad
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Posted: August-16-2013 at 10:43pm |
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We're cleaning up a few details, stay tuned.
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boardersdad
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Joined: June-18-2013 Location: Wisconsin Status: Offline Points: 409 |
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Posted: August-19-2013 at 4:08am |
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OK, Steve K and I cleaned up a few technical details and have the oil filter grades.
These rankings are from the one referenced study only. We are assuming the individual category grades (filtering, quality, etc) are common across a manufacturer's sizes of a specific filter, because the part number used in the study is not necessarily the one for our engines. For example, the different Fram filters in the study are delineated by application ("High Mileage", "Racing", etc), whereas we're referring to different filter sizes within an application type. These rankings do not factor in price (on purpose). The updated table follows. Five filters get an A- or B+ for their final grade. There are a lot in the middle grades, and a lot in the low grades. I'm switching to Mobil 1 oil filters. Steve  . |
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boardersdad
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Posted: August-19-2013 at 8:58pm |
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With some part numbers...
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boardersdad
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Posted: May-13-2021 at 3:19am |
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I noticed the table images disappeared over the years. Here they are again.
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Morfoot
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Joined: February-06-2004 Location: South Lanier Status: Offline Points: 5313 |
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Posted: May-13-2021 at 5:40am |
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I was just thinking about this thread the other day when my neighbor was asking what filter and oil SHOULD he be using in his 88' Elite Craft. I told him about the many discussions of oil and filters here but that was many moons ago.... Bam!!!! Here it is. Thanks for the post Steve.
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"Morfoot; He can ski. He can wakeboard.He can cook chicken.He can create his own self-named beverage, & can also apparently fly. A man of many talents."72 Mustang "Kermit",88 SN Miss Scarlett, 99 SN "Sherman"
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: May-13-2021 at 9:57am |
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Guess that's what happens Tim when you have time on your hands waiting in line for gas
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: May-13-2021 at 10:01am |
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So Tim, what brand filter and what oil did you recommend?
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Morfoot
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Posted: May-13-2021 at 11:15am |
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It's freaking insane down here... I had a tick under a half which is enough to get me back to work from home (53 miles) but I'd have to stop on the way home to fuel up. Got off the highway 20 miles from home to take the back roads to find gas. I passed at least 12 and all were posting 0.00 on the signs. Got home and made the decision to use my 6 gal can of boat gas in the car as I didn't wanna burn a day of Vaca for this BS. Saw on Gasbuddy this morning that 50% of GA stations have no fuel but could be worse as 75% of stations in NC have no fuel.
This is a set up right Pete?????  I'm not falling for it!!!!!  I said I use Motorcraft FL 1A and Valvoline VR-1 20w50 in both. Don't recall what he ended up using. I think Mobil filter which after seeing the table again I think I'll change to Mobil.
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"Morfoot; He can ski. He can wakeboard.He can cook chicken.He can create his own self-named beverage, & can also apparently fly. A man of many talents."72 Mustang "Kermit",88 SN Miss Scarlett, 99 SN "Sherman"
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: May-13-2021 at 11:49am |
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Time to trade the Mazda in for a VW TDI- your probably looking at 10 gallons a week
 Talk to gundriver he got his up to 79 mph once,little on the slow side for Atlanta traffic but the hours that you work you'll be fine if you stay in the truck lanes
Premium hit 399 here- other than price we can get any we want.
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: May-13-2021 at 11:59am |
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PAPA wrote: