How often to change synthetic

Old Oct 28, 2008 | 02:04 AM
  #16  
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If you are going to use Mobil 1, use a Mobil 1 filter. It's a dual element filter designed for extended drain intervals and is one of the best filters made. For 10 bucks+ it better be.
 
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Old Oct 28, 2008 | 01:01 PM
  #17  
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I used a Fram Tough Guard filter this time around. It seems to be pretty decent. Better be - it was double the price.

Also, I've heard synthetic blends are pointless and a complete waste of money. Anyone have any input on that?
 
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Old Oct 28, 2008 | 03:13 PM
  #18  
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Fram filters of all kinds are questionable. They have anti-drainback valve issues.

I highly doubt it. The Motorcraft oil is the same price as dino and it's semi-synthetic.
 
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Old Oct 28, 2008 | 03:31 PM
  #19  
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Originally Posted by glc
Fram filters of all kinds are questionable. They have anti-drainback valve issues.
Agreed. I ran Fram in everything I owned. When i got this truck, and used fram oil filter, it made a funny noise on start yp (dry start). Switched back over to Motorcraft, and no noise. Also have run wix filters with out any issue.
 
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Old Oct 28, 2008 | 04:41 PM
  #20  
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I've run well over a million miles, cumaltive, on three different vehicles with nothing but Fram oil and air filters. NEVER a problem related to using them. Castrol dino oil, too.

I sure wish you guys would quit with the speculation wrt Fram filters. It gets old. And pure heresay.
 
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Old Oct 28, 2008 | 04:45 PM
  #21  
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Originally Posted by jward
I've run well over a million miles, cumaltive, on three different vehicles with nothing but Fram oil and air filters. NEVER a problem related to using them. Castrol dino oil, too.

I sure wish you guys would quit with the speculation wrt Fram filters. It gets old. And pure heresay.
I probably have similar or more miles with Fram. Also, never had a problem, until my ford.

Mine is simply not "heresay" but fact. I used Fram, made a noise on every start up (mine is not a daily driver, so sitting for a week is very common). It was a horrible noise. I had heard about the drain back valve issue. Figured it was BS, but it was time to swap anyway. Went with motorcraft filters. Noise never came back. Next, used a wix filter.... no noise. Then I used some crap brand oil filter (got from one of our parts suppliers) and the noise came back. Went back to motorcraft, again, no noise. I think this is far more then "chance". Take that however you wish.
 
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Old Oct 28, 2008 | 05:01 PM
  #22  
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It's not hearsay. Independent tests are out there where oil filters were cut apart and examined. Frams were garbage. Air filters are okay.
 
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Old Oct 28, 2008 | 05:48 PM
  #23  
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Have done my own independent test. Personal experience(over 30 years worth) trumps others "opinions". Even those of labworkers.

I'd say 435+ thousand miles on a truck that I still drive 22 years later is really all the proof I need. Never had the desire to cut open any filter. Unecessary mess.

Use what you want, though.



BTW, MT, not doubting ya. Not all Fram filters have the antidrainback valve. In some vehicles, it's not necessary. Choose the correct one.

Anyhoo, if the Motorcraft becomes more expensive than the correct style of Fram for my Ford, I'll switch it to Fram. But until then, it's Motorcraft for the Ford and Fram for my others.
 

Last edited by jward; Oct 28, 2008 at 05:53 PM.
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Old Oct 28, 2008 | 06:40 PM
  #24  
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Originally Posted by jward
Have done my own independent test. Personal experience(over 30 years worth) trumps others "opinions". Even those of labworkers.

I'd say 435+ thousand miles on a truck that I still drive 22 years later is really all the proof I need. Never had the desire to cut open any filter. Unecessary mess.

Use what you want, though.



BTW, MT, not doubting ya. Not all Fram filters have the antidrainback valve. In some vehicles, it's not necessary. Choose the correct one.

Anyhoo, if the Motorcraft becomes more expensive than the correct style of Fram for my Ford, I'll switch it to Fram. But until then, it's Motorcraft for the Ford and Fram for my others.
Promise ya, I did have the correct filter. I have a couple years under my belt playing with cars as well.

Also, maybe its a newer engine design. I see your driving a '03. Mine is the 04 NBS. Could have something to do with it.

Like ya said, use what you want.
 
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Old Oct 28, 2008 | 08:16 PM
  #25  
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I do mobil 1 5w-20 and mobil 1 filter every 5k. Would not even second guess it up to 5k and I am sure you could go 7500 with no problems.
 
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Old Oct 30, 2008 | 01:50 AM
  #26  
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I've got the Mobil 15,000 mile oil in my Explorer. I can't wait to see how far it really goes. I'll be checking the dipstick every couple of weeks to see how the oil looks.
 
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Old Oct 30, 2008 | 07:43 AM
  #27  
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Originally Posted by Fifty150
I've got the Mobil 15,000 mile oil in my Explorer. I can't wait to see how far it really goes. I'll be checking the dipstick every couple of weeks to see how the oil looks.
That's what I use, and it goes 10k and still looks okay. I do use the Mobil 1 filter too. You can't really go by appearance though, just because it looks black doesn't necessarily mean it's shot.
 
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Old Oct 30, 2008 | 03:36 PM
  #28  
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Talking

Originally Posted by glc
That's what I use, and it goes 10k and still looks okay. I do use the Mobil 1 filter too. You can't really go by appearance though, just because it looks black doesn't necessarily mean it's shot.

I'll be tasting it on the tip of my tongue too. Will that help?
 
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Old Oct 30, 2008 | 03:42 PM
  #29  
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Originally Posted by Fifty150
I'll be tasting it on the tip of my tongue too. Will that help?


only if you swash it around a few times
 
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Old Oct 30, 2008 | 04:30 PM
  #30  
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Originally Posted by 2008_XL
Cool. I'll try out the Mobil 1 next change. I used Pennzoil Platinum Full Synthetic 5w20 (they didn't have any Mobil 1 5w20).
Stick with the Pennzoil Platinum. It's been tested better than Mobil 1 and it's a few bucks cheaper.


With an oil analysis, a lot/most people can run up to 10,000 miles between changes with Group III oil (Mobil 1, Platinum, Motorcraft Syn, ect.).
 
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