new style Fram Ultra XG3614

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it’s honestly embarrassing for Fram to bring forward the current XG. it should be labeled the TG honestly.
One thing not mentioned - does the spring load decay when the media does this (collapse load) - notice the cocked spring on my Fram XG ? I did not do that … I cut them slowly and don’t disturb the guts …
 
Those in my picture are from the same engine - same conditions - same OCI - and are way cheaper - so therefore what do you think they are made from …
Who knows exactly, but not all media is created equal. You'd have to contact the maker or look at their specs. Not all non-wire backed Ultras show the same level of wavy pleats, so use conditions has a factor. Filters used in colder weather like in the winter months would be exposed to more blow-by condensation.
 
One thing not mentioned - does the spring load decay when the media does this (collapse load) - notice the cocked spring on my Fram XG ? I did not do that … I cut them slowly and don’t disturb the guts …
theoretically it would further compress the spring as force=K*displacement. but if it’s pushed beyond its yield strength it would lose strength. only thing i’d be worried about is the media not growing uniformly and a gap developing around the leaf spring/ADBV.
 
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theoretically it would further decompress the spring as force=K*displacement. but if it’s pushed beyond its yield strength it would lose strength. only thing i’d be worried about is the media not growing uniformly and a gap developing around the leaf spring/ADBV.
And of course when a metal seam is used that side won’t move - wish I had taken a caliper to check the squareness …
Anyway - FE10575 once last couple are used up …
 
And of course when a metal seam is used that side won’t move - wish I had taken a caliper to check the squareness …
Anyway - FE10575 once last couple are used up …
i have noticed that the FE10575 is much taller than any other 10575 sized filter. i just hate having to check for opened louvers.
 
One thing not mentioned - does the spring load decay when the media does this (collapse load) - notice the cocked spring on my Fram XG ? I did not do that … I cut them slowly and don’t disturb the guts …
Wavy pleats aren't going to produce any extra force on the end caps because they get wavy when they grow in lenght. It's not like a piece of steel that grows between two hard points. No way it's going to effect the leaf spring operation. Your leaf spring looks like it's crooked sitting there because it's probably not popped all the way into the center tube.
 
Wavy pleats aren't going to produce any extra force on the end caps because they get wavy when they grow. It's not like a piece of steel that grows between two hard points. Your leaf spring looks like it's crooked because it's probably not popped all the way into the center tube.
it absolutely could. i know they’re not columns but buckling comes to mind. that comes with increased stress in the vertical or Z direction.
 
i have noticed that the FE10575 is much taller than any other 10575 sized filter. i just hate having to check for opened louvers.
I’m running one now and I don’t think it was any longer than the orange can it replaced. Fram thing maybe?
 
it absolutely could. i know they’re not columns but buckling comes to mind. that comes with increased stress in the vertical or Z direction.
No way wavy pleats could produce that much force to effect the leaf spring. The pleats become wavy when they grow because they can't produce any significant column force. The pleats deform instead.
 
Wavy pleats aren't going to produce any extra force on the end caps because they get wavy when they grow in lenght. It's not like a piece of steel that grows between two hard points. No way it's going to affect the leaf spring operation. Your leaf spring looks like it's crooked sitting there because it's probably not popped all the way into the center tube.
I mentioned decay … you took it the other way …
Look, I do buckling forces for a living - without knowing the original vs old dimensions - we don’t if the spring load went up or down - or if the unit became shorter as the spring pressure decayed …
That’s what I don’t like …
 
No way wavy pleats could produce that much force to effect the leaf spring. The pleats become wavy when they grow because they can't produce any significant column force. The pleats deform instead.
the leaf springs are junk pot metal in all of these filters. i feel like it could but i haven’t done any calculations.
 
another shop hand’s truck.
2004 toyota tundra 5.7L 230,000 miles
in service 5800 miles

out/off: unknown oil with Fram Ultra XG3614

on/off: 8 quarts Valvoline EP HM 5w-30 with OG wire backed Fram Titanium FS3600

this filter looks horrible but it didn’t tear. i went to the oversize FS3600.

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Unacceptable, especially at that price
 
I mentioned decay … you took it the other way …
Look, I do buckling forces for a living - without knowing the original vs old dimensions - we don’t if the spring load went up or down - or if the unit became shorter as the spring pressure decayed …
That’s what I don’t like …
You really think that pleats that grow in length, then become wavy because they can't move the end caps apart are going to degrade the leaf spring force? If that was going on, the glue bead between the ends of the center tube and end caps would have to fail too. It's not happening. Wavy pleats don't put any significant forces on the end caps. They bend instead.
 
You really think that pleats that grow in length, then become wavy because they can't move the end caps apart are going to degrade the leaf spring force? If that was going on, the glue bead between the ends of the center tube and end caps would have to fail too. It's not happening. Wavy pleats don't put any significant forces on the end caps. They bend instead.
NO - Never mind already - one guy here understands what I’m saying - you don’t and won’t …
 
NO - Never mind already - one guy here understands what I’m saying - you don’t and won’t …
You really think wavy pleats weakens and deforms the leaf spring? That's what you're claiming, right?
 
One thing not mentioned - does the spring load decay when the media does this (collapse load) - notice the cocked spring on my Fram XG ? I did not do that … I cut them slowly and don’t disturb the guts …
So if that is the case, what are we talking about? Oil just flows back into the center tube directly at the thread end - under the ADBV/gasket?
 
You really think wavy pleats weakens the leaf spring? That's what you're claiming, right?
No, you assume growth based on the moisture theory that doesn’t hold water (sorry) - bcs I posted three for three …
How do we know spring pressure (pre load) is not gone if that’s not from moisture … how about I put one in a bucket of water 😷
 
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