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Any advantage to prefill filter? #4434185
06/17/17 11:32 AM
06/17/17 11:32 AM
Joined: Sep 2014
Posts: 1,152
Missouri
chiefsfan1 Offline OP
chiefsfan1  Offline OP

Joined: Sep 2014
Posts: 1,152
Missouri
I never have in the spin on filters, however now that I have a boosted engine would be better too fill it before I put it on?
The filter I chose is MC 910S. It looks interesting to take off, my first oil change in it.


MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
2014 Escape SE 1.6 EcoBoost AWD
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434189
06/17/17 11:38 AM
06/17/17 11:38 AM
Joined: May 2005
Posts: 11,002
ROCHESTER, NY
Char Baby Online content
Char Baby  Online Content

Joined: May 2005
Posts: 11,002
ROCHESTER, NY
Well, if you can fill/partially fill the filter without spilling most of it out during the install, go for it. I prefill when it's convenient but, I've had vehicles where it made more of a mess than it was worth.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434190
06/17/17 11:39 AM
06/17/17 11:39 AM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline

Joined: Oct 2005
Posts: 7,094
Colorado
No boost going in at idle, so no difference in filtration from what you've been doing.

It may help, it might not but it certainly won't hurt. These "fill or not" threads usually get a raging debate going on, so:

popcorn


Thick vs Thin test: 15k / 43k miles complete
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434191
06/17/17 11:40 AM
06/17/17 11:40 AM
Joined: Sep 2005
Posts: 6,164
MIchigan
Warstud Offline
Warstud  Offline

Joined: Sep 2005
Posts: 6,164
MIchigan
I always do when possible...but here's a thread on the subject.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/4363266/U_Dont_Need_To_Prefill_Oil_Fil

Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434193
06/17/17 11:40 AM
06/17/17 11:40 AM
Joined: Mar 2012
Posts: 1,456
San Antonio, TX
E150GT Offline
E150GT  Offline

Joined: Mar 2012
Posts: 1,456
San Antonio, TX
I do in the Mazda since I can. I don't in the truck since it would make a mess. Some say not to do it since it's allowing unfiltered oil to go through the engine but I don't think it's any different than dumping your oil through the valve cover.


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: Any advantage to prefill filter? [Re: Warstud] #4434199
06/17/17 11:45 AM
06/17/17 11:45 AM
Joined: Sep 2014
Posts: 1,152
Missouri
chiefsfan1 Offline OP
chiefsfan1  Offline OP

Joined: Sep 2014
Posts: 1,152
Missouri
Originally Posted By: Warstud
I always do when possible...but here's a thread on the subject.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/4363266/U_Dont_Need_To_Prefill_Oil_Fil


Thanks all, I'll check that thread out. The filter is on there horizontal.


MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
2014 Escape SE 1.6 EcoBoost AWD
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434234
06/17/17 12:36 PM
06/17/17 12:36 PM
Joined: May 2006
Posts: 604
Palmyra, PA
kmrcstintn Offline
kmrcstintn  Offline

Joined: May 2006
Posts: 604
Palmyra, PA
I fill it and drain out excess...the media & space outside the center tube is filled


'15 Jeep Patriot Sport (2.4L 4-cyl), '13 Genuine Buddy 125 (125cc air-cooled thumper), '14 Yamaha V Star 250 (250cc air cooled v-twin)
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434235
06/17/17 12:36 PM
06/17/17 12:36 PM
Joined: May 2016
Posts: 725
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline

Joined: May 2016
Posts: 725
Canada


if you're filter goes on horizontal, it's a no-go.

But for any filer that goes straight up, Ive done for yrs.

Re: Any advantage to prefill filter? [Re: i_hate_autofraud] #4434244
06/17/17 12:53 PM
06/17/17 12:53 PM
Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
I've read these "To pre fill or not to pre fill" threads and I've always thought that any benefit would depend mostly on engine age/condition. I also guess the "It can't hurt" school is accurate.

As far as horizontal filter applications go, you could fill the filter with oil the night before and pop it into the freezer. The next day you'd have time to spin it on drip free. Finish the rest of the oil change (add oil, clean up), wait an hour or two then start the engine.

And please remember, I said pop it into the freezer not immerse it in liquid nitrogen. Kira

Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434258
06/17/17 01:01 PM
06/17/17 01:01 PM
Joined: Sep 2015
Posts: 4,114
Connecticut
69GTX Offline
69GTX  Offline

Joined: Sep 2015
Posts: 4,114
Connecticut
Some people think that by a pre-fill some unfiltered oil makes its way to key engine components. Probably true...and dependent on the cleanliness of the oil you bought. I just did an OCI and added 14 oz of oil to my Fram XG2 filter...which mounts nearly vertically. I think that's the best way to go.

Is there an advantage? Maybe. Is there a disadvantage? Maybe. Will it matter either way? Probably not.


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Any advantage to prefill filter? [Re: Kira] #4434267
06/17/17 01:12 PM
06/17/17 01:12 PM
Joined: Sep 2014
Posts: 1,152
Missouri
chiefsfan1 Offline OP
chiefsfan1  Offline OP

Joined: Sep 2014
Posts: 1,152
Missouri
Originally Posted By: Kira
I've read these "To pre fill or not to pre fill" threads and I've always thought that any benefit would depend mostly on engine age/condition. I also guess the "It can't hurt" school is accurate.

As far as horizontal filter applications go, you could fill the filter with oil the night before and pop it into the freezer. The next day you'd have time to spin it on drip free. Finish the rest of the oil change (add oil, clean up), wait an hour or two then start the engine.

And please remember, I said pop it into the freezer not immerse it in liquid nitrogen. Kira


stooges


MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
2014 Escape SE 1.6 EcoBoost AWD
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434279
06/17/17 01:23 PM
06/17/17 01:23 PM
Joined: May 2016
Posts: 725
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline

Joined: May 2016
Posts: 725
Canada


For me prefilling reduced dry cranking time right after the oil change, it adds up over the years!

Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434291
06/17/17 01:34 PM
06/17/17 01:34 PM
Joined: Oct 2010
Posts: 951
South Eastern, CT
AMC Offline
AMC  Offline

Joined: Oct 2010
Posts: 951
South Eastern, CT
Filters that mount at anything higher than horizontal, I don't bother. Anything lower than horizontal I fill them, at least partially. If the filter mounts facing straight up in the vertical position, I fill it totally full. Filling the will slightly reduce the time your engine runs dry, if only by a second or two. You have to oil up the gasket anyways so why not do it by dumping some oil into the filter?


18 Honda CR-V - Mobil-1 AFE 0w-20
17 Ram 1500 SLT - Napa Synthetic 5w-20
14 Yamaha Super Tenere - Mobil Delvac 15w-40
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434294
06/17/17 01:40 PM
06/17/17 01:40 PM
Joined: Mar 2004
Posts: 21,848
Upstate NY
Donald Offline
Donald  Offline

Joined: Mar 2004
Posts: 21,848
Upstate NY
Cummins says to prefill on diesel engines.

Last edited by Donald; 06/17/17 01:40 PM.

2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Any advantage to prefill filter? [Re: chiefsfan1] #4434307
06/17/17 01:54 PM
06/17/17 01:54 PM
Joined: Mar 2016
Posts: 1,719
Toronto
PeterPolyol Offline
PeterPolyol  Offline

Joined: Mar 2016
Posts: 1,719
Toronto
The advantage is that whatever volume of oil goes into the filter prior to installation is directly proportional to the volume of air in the oiling system that is eliminated before the oil pump even rotates. We also know that air does not lubricate engines and that oil does.


There's no replacement...'scosity for natural viscosity
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