First oil change
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Freshman User
Joined: Jul 2015
Posts: 49
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From: Lancaster, Ohio
First oil change
Just did my first oil change on my 2015 Super Duty 6.2 engine. I got the Fram filter the book called for, a PH-2. There's goobs of room for the longer filter. Would that be the PH8A? The book is not much help trying to figure the comparable long vs short filter. Why do they insist on those short filters when a full size will fit? My Dodge Ram Hemi was the same way. Thanks......RON
Hotshot
Joined: Dec 2012
Posts: 11,269
Likes: 1,654
From: Las Cruces New Mexico
Just did my first oil change on my 2015 Super Duty 6.2 engine. I got the Fram filter the book called for, a PH-2. There's goobs of room for the longer filter. Would that be the PH8A? The book is not much help trying to figure the comparable long vs short filter. Why do they insist on those short filters when a full size will fit? My Dodge Ram Hemi was the same way. Thanks......RON
Cargo Master
Joined: Oct 2015
Posts: 2,745
Likes: 72
From: West Virginia
While I am not a fan of Fram filters, I recognize your right to use whatever filter you wish on your truck. To address your actual question - when I was a youngster, it was very common to find the largest capacity filter that would seal against the filter mount. The logic was that it allowed the engine to run with more oil without technically being over filled. More oil equated to more dilution of combustion byproducts and lower oil temperatures. The reality is that your engine is starved for oil while that humongous filter can fills up with oil at every start, especially if your Fram anti drainback valve should fail. There are other reasons it's not a good idea, but they escape me at the moment.
The short of it is, you are far better off using the correct type and capacity oil filter.
Good luck!
The short of it is, you are far better off using the correct type and capacity oil filter.
Good luck!
Hotshot
Joined: Jul 2013
Posts: 14,256
Likes: 2,182
motorcraft FL-820 is the standard filter for your "under warranty vehicle"
There are "big can" and "premium" oil filters that will physically fit.....but why risk a warranty claim conflict.
There are "big can" and "premium" oil filters that will physically fit.....but why risk a warranty claim conflict.
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Senior User
Joined: Mar 2015
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Clearly the use motorcraft filter has been beaten to death.
Another reason to not increase in size, is the longer the filter, the more risk of it getting hit by road debris or hitting something off road.
Another reason to not increase in size, is the longer the filter, the more risk of it getting hit by road debris or hitting something off road.
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Fleet Mechanic
Joined: Nov 2011
Posts: 1,825
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From: Land of Taxes
X42 on the OEM Motorcraft.
Comparables are WIX XP, NAPA Gold, which is a WIX XP, Baldwin, Racor, Mobil 1 extended... Anything else falls short on filtration media, canister and anti drain back design.
Comparables are WIX XP, NAPA Gold, which is a WIX XP, Baldwin, Racor, Mobil 1 extended... Anything else falls short on filtration media, canister and anti drain back design.
Posting Guru
Joined: Jan 2006
Posts: 1,490
Likes: 16
From: Arizona/Texas
Learned my lesson years ago. Now I use only Motorcraft, Napa Gold or Wix. And I did the same thing, putting a larger filter on when possible. No issues. But really not sure if it helped in filtration or cooling.
Cargo Master
Joined: Oct 2015
Posts: 2,745
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From: West Virginia
Senior User
Joined: Mar 2015
Posts: 338
Likes: 1
At least do the blend. I personally use Red Line Full Synthetic.
Cargo Master
Joined: Oct 2015
Posts: 2,745
Likes: 72
From: West Virginia
While full synthetic oil is certainly great stuff, it isn't always the best choice. I'd suggest you realistically look at how you use your truck. Though virtually nobody endorses straight mineral oil these days, synthetic blend does cost quite a bit less than full synthetic and does a terrific job. In fact, the oil doesn't really wear out these days; it's the additive pack that gets depleted, requiring renewal (achieved by changing the oil).
However, if you really want full synthetic, you can't go wrong using Ford's fully synthetic 5W-20 motor oil.
Here you can compare synthetic to synthetic blend -
full synthetic: https://www.fcsdchemicalsandlubrican...0Synthetic.pdf
Synthetic blend: https://www.fcsdchemicalsandlubrican...0Synthetic.pdf
Notice that at 212*F (engine operating temperature) the viscosity of synthetic is 8.3 and the blend is 8.7. With a price difference of about $4.00 USD per quart @ 7 quarts, I'm thinking that a viscosity difference of 0.4 is not worth $28.00 to me.
However, if you really want full synthetic, you can't go wrong using Ford's fully synthetic 5W-20 motor oil.
Here you can compare synthetic to synthetic blend -
full synthetic: https://www.fcsdchemicalsandlubrican...0Synthetic.pdf
Synthetic blend: https://www.fcsdchemicalsandlubrican...0Synthetic.pdf
Notice that at 212*F (engine operating temperature) the viscosity of synthetic is 8.3 and the blend is 8.7. With a price difference of about $4.00 USD per quart @ 7 quarts, I'm thinking that a viscosity difference of 0.4 is not worth $28.00 to me.