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AC Delco oil filter question

This is a discussion on AC Delco oil filter question within the General Help forums, part of the LSx Technical Help Section category; I did a search on our forum and did not find exactly what I was looking for. A PF 46 ...

  1. #1
    Junior Member timowen1's Avatar
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    AC Delco oil filter question

    I did a search on our forum and did not find exactly what I was looking for. A PF 46 is what my LS1 uses and I was wondering if the PF 61 would work. It looks identical but is about 2" longer. Has anyone used or using the PF61 on a regular basis?
    Thanks.
    Tim

  2. #2
    Senior Member INMY01TA's Avatar
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    I always use the PF61. Longer filter increases oil capacity slightly and more filter media.

  3. #3
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    Quote Originally Posted by INMY01TA View Post
    I always use the PF61. Longer filter increases oil capacity slightly and more filter media.
    Yup. Truck filters. Works the same, increases oil capacity, just gotta be careful if your lowered...

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    Oh good info...I was wondering about this myself.

    Now I know what filter to get next time.

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    Good info! The first time I changed the oil, I looked at the filter and said, "You have got to be kidding me!"

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    Quote Originally Posted by pajeff02 View Post
    Good info! The first time I changed the oil, I looked at the filter and said, "You have got to be kidding me!"
    I know, cute little thing, isn't it? Looks like something off a Briggs & Stratton.

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    I use the truck filter by K&N. Its got the giant nut on the bottom so i can change oil without jacking the car up...

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    Member km346's Avatar
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    Ive always used the pf61, no problems here.

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    Quote Originally Posted by km346 View Post
    Ive always used the pf61, no problems here.



    How far past the oil pan does the PF61 extend?
    thanks.

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    old timer blue02Z's Avatar
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    ^^^^^ i think maybe an inch, my headers hang lower than my filter. i also run a pf61

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    Member km346's Avatar
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    Quote Originally Posted by johnb View Post
    How far past the oil pan does the PF61 extend?
    thanks.
    Its about flush with the K-member, no lower then the factory y pipe does...

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    Thanks, guys. I'm going to look into this. The stock filter looks like it goes on my lawnmmower.

    I already run extended filters on my Buick DD and the wife's Pontiac van.

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    Your dealership guy konigandy6's Avatar
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    I've been PF46'in for years with no problems.

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    Junior Member SS1Eagle's Avatar
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    What is the Mobil 1 equivalent of the PF61 filter?

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    That guy thearborbarber's Avatar
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    Member iam_dale's Avatar
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    Good info, guys! I'll keep this in mind when I do my next oil change....too bad I just did one!!

    dale

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    Member blackcar's Avatar
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    Quote Originally Posted by johnb View Post
    How far past the oil pan does the PF61 extend?
    thanks.
    On the K&N version the filter in 1 inch longer.

    http://www.knfilters.com/search/prod...x?Prod=HP-2006

    http://www.knfilters.com/search/prod...x?Prod=HP-1007

    I wish is showed capacites.
    Last edited by blackcar; 06-25-2009 at 01:23 PM.

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by timowen1 View Post
    I did a search on our forum and did not find exactly what I was looking for. A PF 46 is what my LS1 uses and I was wondering if the PF 61 would work. It looks identical but is about 2" longer. Has anyone used or using the PF61 on a regular basis?
    Thanks.
    Tim
    I've been running the PF61 forever. I've compared it to the other longer filters and found that the A/C 61 is actually a tad longer than all the others and holds a bit more.
    You can find them at Walmart,,,I buy mine there all the time for $3.69
    I actually stock up on them and buy 4-5 when they have them,,,,,because they seem to sell fast.

    I did a write up on this comparing the size of all the available filters a couple years ago. Doing a search might turn it up.
    Last edited by Firebirdjones; 06-25-2009 at 02:13 PM.

  19. #19
    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    I use the truck filter by K&N. Its got the giant nut on the bottom so i can change oil without jacking the car up...
    Stick that next to the AC PF61 and you'll find that the K&N is still smaller.

  20. #20
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    Quote Originally Posted by Firebirdjones View Post
    Stick that next to the AC PF61 and you'll find that the K&N is still smaller.
    and Ill also break the oil filter off then when I drive it down my driveway

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