4 filters cut open

Joined
May 25, 2009
Messages
1,006
Location
fremont nebraska
hello, here ive got a fram extra guard, fram extended guard, ac delco, and a super tech. they are all made to fit my 2001 grand prix. i used a hacksaw to cut them open first is the fram extra guard second is the ac delco next we have the super tech, as you can see in the pics, it has like a thin aluminum cover masking it from looking like some other kind of filter and finally, the fram extended guard. the only used one out of the bunch
 
Joined
May 17, 2009
Messages
16,798
Location
N.H, U.S.A.
E-guard looks O.K. Can you cut off the media from the end caps and calc area in sq-in? This is knowing that a depth media can have a smaller area and be more efficacious.
 
Last edited:
Joined
Jun 3, 2009
Messages
348
Location
Mars
Nice pics! boy, you're good. I couldn't post pics at first, and almost 100 posts later, I still cant!
 
Last edited:

Jakegday

Thread starter
Joined
May 25, 2009
Messages
1,006
Location
fremont nebraska
the extended guard only had about 2000 miles on it. i changed it cuz i wanted to change oils. arco, are you wanting me to just measure the square inches of it? or something else?
 
Joined
Aug 15, 2006
Messages
10,060
Location
Central Washington
Yeah cut the ends off lay it out and measure how many sq in of media there is. This will be a little low for the ST because some of the end cap acts as media as well.
 
Joined
Mar 16, 2009
Messages
131
Location
texas
It looks like Fram didn't believe enough in their card board endcaps that are supposed to be fine to put them on an extended life filter
 
Joined
Aug 25, 2003
Messages
2,895
Location
DELAWARE
 Quote:
next we have the super tech, as you can see in the pics, it has like a thin aluminum cover masking it from looking like some other kind of filter
That thin plate is to help the installer "feel" the the alignment of the filter hole on the adapter. In the early days of the Ecore, that was not there and the recess is very pronounced causing installers in blind areas to install incorrectly. Bulk of Champion's Ecore sales are to oil jobbers and that was their recommendation and Champion listened. Still way better than that [censored] Fram cardboard,
 
Joined
Nov 30, 2005
Messages
620
Location
Texas
 Originally Posted By: 72customdeluxe
It looks like Fram didn't believe enough in their card board endcaps that are supposed to be fine to put them on an extended life filter
While I don't like Frams, I have commented recently that the choice to use metal for the extended guard most likely has to do with the three layer filtering media they use. The regular frams all have normal media...just one layer, however the extended guard has a synth and paper layer bonded together, then a metal screen behind that. I think the choice to use metal endcaps was for the deeper valley they could glue the filtering media into. This deeper valley, and hence more glue, probobly allows for some irregularities with this three layer media. I would imagine bonding this same media to a completely flat piece of cardboard would produce the occasional leak. When you only have one sealer surface to worry about, a flat piece of carboard is easy to handle. However, when you have three seperate layers....you need a little wiggle room. When you look at the extended guard, look at the area where the media bonds to the endcaps. You'll see home much extra room is offered and home much extra glue is used...about 1/4". Now look at the Extra Guard...there is barely 1/16" of glue. That said, the recommended change interval might have influence the choice as well. To the original poster. Your car has an internal bypass correct? I don't see the bypass on these filters. If my car didn't have a baypass, I wouldn't mind using the extended guard, assuming I got it for cheap. That said, the extended guard still uses the [censored] clicker bypass (when present) as all the other frams.
 
Last edited:

Jakegday

Thread starter
Joined
May 25, 2009
Messages
1,006
Location
fremont nebraska
thanks for the info hootbro i have no idea who made the AC. i bought it from the wal mart here in fremont nebraska. im not too sure what an "internal bypass" is, but if these filters dont have it, i would assume my car doesnt have it. no pieces were left out of the pics. i suppose if you wanted to do the research its a 2001 grand prix with the non supercharged 3.8
 
Last edited:
Joined
Mar 14, 2003
Messages
8,711
Location
Nothern USA
Every engine has 2 bypasses. One at the pump to keep from overloading it or damaging down stream components. it allows oil to return straight tothe crankcase. The second is at the filter. GM puts them in the filter head assembly. Others use filters with a bypass in them. When the oil is too thick to give enough flow through the filter, or the filter is clogged, the oil bypasses the filter media.
 
Joined
May 6, 2005
Messages
6,982
Location
San Francisco Bay Area
 Originally Posted By: labman
Any idea who made the AC? Note, the Extra Guard looked like it had more media than I would expect in a Fram.
Probably Champion Labs. They were a huge supplier for ACDelco brand name. I remember back when ACDelco filter packages used to have the specific manufacturer if it was in-house GM (or a former subsidiary). I recall either AC Rochester or Delphi Automotive. The ones made by Champion Labs didn't have a manufacturer's name on the package.
 
Joined
May 17, 2009
Messages
16,798
Location
N.H, U.S.A.
I just noticed that the oil entrance stamping on the ST has distorted holes on the ADBV seal side which may make for a bad/non-operating ADBV.
 
Joined
Sep 28, 2002
Messages
39,802
Location
Pottstown, PA
I beg your pardon? This? One side of the end plate As viewed from the other side: That's an additional plate to aid in installation. The "raised" thread made it difficult to thread.
 
Top