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Leaking oil past oil filter gasket #2555208
09/26/18 09:11 PM
09/26/18 09:11 PM
Joined: Jan 2003
Posts: 5,406
Diego-Town, CA
Diego_Ted Offline OP
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I have an edelbrock headed 340. When the car sits for a while it will spew oil past the rubber gasket on the oil filter. What is the cause and what is the cure?

thx Diego

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555210
09/26/18 09:16 PM
09/26/18 09:16 PM
Joined: Jan 2003
Posts: 29,648
Hamtramck, PA
Alaskan_TA Offline
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Hamtramck, PA
Did you check to see if the last filter came free & left its gasket on the block?

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555213
09/26/18 09:20 PM
09/26/18 09:20 PM
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Supercuda Offline
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got an oil pressure gauge on it? Put one one and look at the pressure when this happens. Might be an oil pressure relief valve getting sticky but without a gauge we're all guessing.


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Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555219
09/26/18 09:35 PM
09/26/18 09:35 PM
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Badham Co.
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Badham Co.
Schlitz King Can

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555232
09/26/18 09:58 PM
09/26/18 09:58 PM
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Posts: 5,406
Diego-Town, CA
Diego_Ted Offline OP
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No left over gasket. Oil pressure around 60 psi at start up. Does not always happen, just now the then?

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555237
09/26/18 10:08 PM
09/26/18 10:08 PM
Joined: Jan 2003
Posts: 29,648
Hamtramck, PA
Alaskan_TA Offline
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Easy & cheap to replace the filter & see what happens.

Once the old one is off, you can check for issues with it & the gasket mating surface.

Possibly multiple 'surfaces' if it has the 90 degree adapter?

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555287
09/26/18 11:13 PM
09/26/18 11:13 PM
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Posts: 14,889
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Supercuda Offline
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60 psi should not be a problem.


They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555293
09/26/18 11:23 PM
09/26/18 11:23 PM
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Atlanta, GA
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mgoblue9798 Offline
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Atlanta, GA
Maybe its leaking from the gasket from between the screw on oil filter adapter plate and the block?

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555393
09/27/18 04:32 AM
09/27/18 04:32 AM
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Bend,OR USA
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Cab_Burge Offline
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Is it mounted on a ninety degree adapter or straight into the side of the block?
Its weird that is does it now and then instead of all the time work confused


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555456
09/27/18 11:14 AM
09/27/18 11:14 AM
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St. Charles, MO
wingman Offline
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St. Charles, MO
Does it only happen on the most recent oil filter, or has it done the same thing with previous oil filters?

Is it really a "spew" or more of a "seep" when it sits?

As mentioned, maybe a defect on the mating surface? If it were me I would start by pulling the filter and inspecting the mating surface for defects/flatness. Although those rubber gaskets are pretty forgiving...


1969 Dodge Coronet Super Bee 383 A4
1970 Plymouth Road Runner 440 FC7 (sold)
Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555480
09/27/18 11:50 AM
09/27/18 11:50 AM
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Posts: 5,406
Diego-Town, CA
Diego_Ted Offline OP
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It has always done it. It is a spew about 1/2 a cups worth. It's got a 90* adapter. All mating surface seem good. Yes only now and then but mostly after has been sitting for more than a few days or weeks? The leak is not from the adapter to block junction.

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555516
09/27/18 01:17 PM
09/27/18 01:17 PM
Joined: Sep 2003
Posts: 19,243
north of coder
moparx Online content
"Butt Crack Bob"
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have you tried to re-tighten the filter [by hand] when this happens ? as mentioned, possibly a mating surface problem that does not allow the filter to fully seat after a few heat cycles. worth a try anyway.
beer

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2555854
09/28/18 08:01 AM
09/28/18 08:01 AM
Joined: May 2003
Posts: 13,182
aZLiViN
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J_BODY Offline
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Didn’t realize you were back from the dead Ted!! Blast from the past right here... guess I only check the racing section 99% of the time.

Have you tried different filters? Thinking I’d throw a Mopar on there and see what happens

Re: Leaking oil past oil filter gasket [Re: J_BODY] #2555967
09/28/18 01:40 PM
09/28/18 01:40 PM
Joined: Jan 2003
Posts: 5,406
Diego-Town, CA
Diego_Ted Offline OP
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J Bod, good to hear from you, been a long long time! Yes I am coming back hope to retire next year and be a presence back on Moparts!! How have you been, good I hope.

Diego

Re: Leaking oil past oil filter gasket [Re: Diego_Ted] #2556343
09/29/18 06:41 PM
09/29/18 06:41 PM
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert Offline
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Lincoln Nebraska
either the filter mounting gasket is leaking (get a new filter, not a Fram) or the thin gasket under the big mounting bolt head is leaking in which case get the 3 piece gasket set from MP & undo everything/clean/reinstall.


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