changing oil filter every other oil change

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Originally Posted By: DragRace
Originally Posted By: turtlevette
Do you guys think oil pressure is instantaneous? Is the last thing on the oiling loop going to see pressure within 1ms of startup. I think not.

Every time you start, something in the engine goes without pressure for a fraction of a second to multiple seconds depending on the viscosity.


*Fact*
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It's really too bad more people dont have the opportunity to take some auto mechanics classes.
Alot of assumptions and guessing would'n't be happening so often on this forum.


Just because you don't have oil pressure for a second or two on a cold start doesn't mean the parts aren't still being lubricated and protected.

Even when I change oil and filter, and the whole oil gallery system has drained out, and the filter is bone dry, the oil pressure light goes off within 2 seconds. On cold starts after the engine has ran after an initial oil change, the oil light goes off while cranking even before the engine fires up.
 
Originally Posted By: ZeeOSix
Even when I change oil and filter, and the whole oil gallery system has drained out, and the filter is bone dry, the oil pressure light goes off within 2 seconds. On cold starts after the engine has ran after an initial oil change, the oil light goes off while cranking even before the engine fires up.


Where is the oil pressure measurement point? Probably right at the pump.
 
Originally Posted By: turtlevette
Do you guys think oil pressure is instantaneous? Is the last thing on the oiling loop going to see pressure within 1ms of startup. I think not.

Who suggested that this was the case?
 
I would be ok with following that every other for honda with no worries. but if its ok for honda, does that mean its ok for other engines like my duratec ford engine?

I want to do that with the ford, but im not going to assume either. ford doesn't recommend it and im sure they have some smart engineers too. thats my hang up why i haven't done it yet.

warranty is long gone, that is not an issue.
 
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Originally Posted By: Dallas69
If changing a filter is too big a deal then you dont need to be doing your own oil changes

I can do an oil change on my wife's Civic on the ground. It has to be lifted to reach the filter, and I sort of had a mishap the first time I tried to get it on ramps. And when it came time to remove the filter, the oil just spilled everywhere and continued to drip off for days.

There's also some indications that if the manufacturer says it's OK, they've tested it enough to suggest that filtering is more efficient as the filter loads up. Of course this is up to a point, where the filter can't handle it, but that's been accounted for in manufacturer's testing.

And getting that oil in the filter out isn't really a concern. Oil isn't really "contaminated" these days. It's more a matter of eventual breakdown and replenishment of additives. Whether or not there's 1.2 quart left in there or 1.0 doesn't really make a difference. Having a small amount of old oil might even be beneficial as there will be some additional residual activated antiwear additives.
 
Originally Posted By: Dallas69
If changing a filter is too big a deal then you dont need to be doing your own oil changes


Disagree. The issue is necessity versus convenience or "cheap insurance". If you are using basic filters such as PC, OCOD or NPS then yes, a typical 5-7.5k OCI should result in a filter change also. But when using premium filters such as NP and FU, it would be a total waste to remove it for half of its intended use.
 
The filter is about the cheapest replacement part on the engine
If i am using an average tier of oil for that changeI will use a grade of oil to match so I dont change one out before it is due
 
Originally Posted By: qwerty1234
The oil filter location on my 2000 Honda civic is hard to get to. Would a Fram Ultra be good for 3X oil changes??


3 x what OCI ... 5K? The Ultra is rated for 15K miles.
 
Originally Posted By: qwerty1234
I run 4,000 mile OCI's. I'm a bit afraid of leaving dirty oil in the oil filter though?


At 4,000 mile OCIs, even conventional oil still has lots of life unless you're running 4x Baja 1000s. If you're using full synthetic then it's even less to worry about.

What oil are you using?
 
Originally Posted By: lockguy
I have a 2010 ford transit connect with 140k I am thinking about changing the filter every other change like honda recommends. I have taken good care from the get go so i know the engine is clean.

I usually run 5k on tropartic or motorcraft. sometimes 7k on PP. max mileage for a filter would be 12k.

any thoughts?
I didn't read all of the replies, but will quote you on your first posting. Are you really that hard up to save the $5 or less for a new filter? *****. Change the filter and do it right.
 
Everyones concerned about the warranty. How are the dealers gonna tell if the filters been on for more then one oci anyways.
 
I change my Quaker State Ultimate Durability or syntec every 3,700 miles anyways because of the di engine but now im running the fram ultra so To be honest I might just leave the filter on there for 3 oci"s. 15,000 mile filter. Same with the pickup, 4000 mile oci"s ill just leave the ultra on there for 3 changes. If the filters rated to do it then why not.
 
Originally Posted By: waltywalt
Everyones concerned about the warranty. How are the dealers gonna tell if the filters been on for more then one oci anyways.


If they start questioning maintenance they will want receipts.
 
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