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08-29-2008, 08:41 AM
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#1
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Registered User
Join Date: Jun 2008
Location: Central New Jersey
Posts: 700
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Has Anyone Heard of This?
I talked to a guy over at our local NAPA....It's one of the old stores that has been around forever (I hate the big chain stores)....The guy there has been turning wrenches for years and he gave me some advice I've never heard.
I'm chasing a knock in my engine and am about to drop the pan and do main/rod bearings and an oil pump....He tells me I'm wasting my money, and to try a different oil filter  ....He's had Jeeps and say's that the 3985 filters have something inherint in their design that slows the oil and can cause a knock....He suggested replacing it with a longer filter (he gave me a Ford part#, but I can't remember) which has more capacity and better oil distribution.
He is dead sure this will help....He said he's had the same problem with his Jeep and it worked for him.
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"The Bannana Channell, Programming With Appeal"....Stay Tuned For a Bunch More!
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08-29-2008, 08:54 AM
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#2
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Registered User
Join Date: Jul 2007
Location: Pensacola, FL
Posts: 256
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i have not... but am curious to hear about anyone else... and an outcome.
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-- 1990 YJ, 4.2 Manual, nuttered, vac-hose minimum
-- my name is Josh
-- my jeep's name is MacGyver
-- "newYJfan"... whoops, didn't think about a good username
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08-29-2008, 08:57 AM
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#3
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Registered User
Join Date: Mar 2006
Location: Monaca, Pa. 15061
Posts: 1,545
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^^^
X2
My 4.0 has always made a ton of noise.
Do you know that part number, or can you get it?
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Wise men speak because they have something to say;
Fools because they have to say something.
Plato
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08-29-2008, 09:33 AM
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#4
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Registered User
Join Date: Nov 2004
Location: Birmingham, Al.
Posts: 5,030
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This is an old trick to increase volume of oil for race cars, but ive never heard of any other benefit. Certainly not oil flow on a standard engine. I dont think it will help you, but the good thing is it only costs a few bucks to try.
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Your limited slip differential sucks.
Quote:
Originally Posted by Anticanman
Any video of the sound?
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08-29-2008, 09:56 AM
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#5
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Registered User
Join Date: Jun 2008
Location: Central New Jersey
Posts: 700
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Quote:
Originally Posted by doug_1994
^^^
X2
My 4.0 has always made a ton of noise.
Do you know that part number, or can you get it?
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I'm going over this afternoon....I'll get the part number for you.
__________________
"The Bannana Channell, Programming With Appeal"....Stay Tuned For a Bunch More!
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08-29-2008, 10:29 AM
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#7
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Registered User
Join Date: Aug 2008
Location: Miami
Posts: 24
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old mechanics know there stuff, i would try it out and have him change it all for you.
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08-29-2008, 10:58 AM
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#8
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Registered User
Join Date: Jun 2008
Location: Central New Jersey
Posts: 700
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Quote:
Originally Posted by ferny1usmc
old mechanics know there stuff, i would try it out and have him change it all for you.
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That's why I love the old NAPA stores....You go into one of these big chain stores and most of the help you find is some wet behind the ears high school kid still wiping snot on his shirt sleeve.
__________________
"The Bannana Channell, Programming With Appeal"....Stay Tuned For a Bunch More!
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08-29-2008, 10:58 AM
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#9
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Registered User
Join Date: Dec 2007
Location: Deming,New Mexico, New Mexico
Posts: 2,178
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If you have 3/4X16 thread you can use Motorcraft FL1A or FL299 which is about twice the size of the FL1A
The metric Motorcraft filter is FL306.
As MLJeeper said all a bigger filter will do is add more oil capacity because it's bigger but if you got a knock it ain't gonna fix it.
Quote:
Originally Posted by RavenCorax
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All other things being equal, the simplest solution is the best.
Ich liebe meinen Jeep!
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08-29-2008, 11:11 AM
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#10
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Registered User
Join Date: Jun 2008
Location: Central New Jersey
Posts: 700
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Quote:
Originally Posted by pat8942
If you have 3/4X16 thread you can use Motorcraft FL1A or FL299 which is about twice the size of the FL1A
The metric Motorcraft filter is FL306.
As MLJeeper said all a bigger filter will do is add more oil capacity because it's bigger but if you got a knock it ain't gonna fix it.
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What this NAPA guy is telling me, is that not only is the standard filter small, there is something in the way it allows the oil to flow properly....Hey, for $5 Bucks, I can't go wrong.
__________________
"The Bannana Channell, Programming With Appeal"....Stay Tuned For a Bunch More!
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08-29-2008, 12:03 PM
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#11
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Registered User
Join Date: Dec 2007
Location: Las Cruces, NM
Posts: 505
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If all else fails you blew a hole 5 bucks so your not really out too much anywho.
__________________
[COLOR="Red"]1987 Wrangler YJ RED[/COLOR] 4.2 5-speed, NP231, BFG 31x10.5R15 AT/KO on 15x8 gambler wheels.
[COLOR="Yellow"]Caution!!! Under construction!!!!!! Caution!!![/COLOR]
Finishing a 4.0 Cyl.head swap, Just got an AX-15 NP231J combo to replace the busted t-case and craptacular BA10/5. Adding Nutter bypass. Probably more to come before it is back as a DD!
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08-29-2008, 12:09 PM
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#12
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Registered User
Join Date: Jan 2002
Location: Oxford, CT
Posts: 2,428
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Remember with the longer oil filter you will need another half quart of oil.
__________________
2005 LJ Impact Orange 4.0L Automatic (Tigger) - new ride
1991 YJ Sahara 4.0L Automatic
1978 Dodge Lil Red Express - work in progress
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08-29-2008, 04:32 PM
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#13
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Registered User
Join Date: Aug 2005
Location: alabama
Posts: 1,104
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I run the bigger oil filter on my 4.0. I use a purealator pure one PL30001. Now instead of 6 quarts, it holds almost 7.
__________________
'93 YJ 4.0L, AX-15, NP-231, SYE, CV, 8.8in rear, OME 2.5 lift, WJ knuckle/brake conversion, hydroboost. Warn M10000 winch. Hope to some day build a stroker for it.
'79 Cherokee Chief, 401 MPFI fuel injection, T-18/D-20 and hydroboost. Otherwise stock.
Future mods: NV4500, NP205, high pinion D60 front and smooth bottom D60 rear, e-lockers front & rear. SOA with 35X12.50's
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08-29-2008, 04:38 PM
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#14
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Registered User
Join Date: Jan 2002
Location: Oxford, CT
Posts: 2,428
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Quote:
Originally Posted by Cobra Jeep
I run the bigger oil filter on my 4.0. I use a purealator pure one PL30001. Now instead of 6 quarts, it holds almost 7.
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I run the same one and I usually put in anywhere from 6.5 to 6.75 quarts.
__________________
2005 LJ Impact Orange 4.0L Automatic (Tigger) - new ride
1991 YJ Sahara 4.0L Automatic
1978 Dodge Lil Red Express - work in progress
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08-29-2008, 04:49 PM
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#15
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Registered User
Join Date: Jun 2008
Location: Central New Jersey
Posts: 700
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Quote:
Originally Posted by Cobra Jeep
I run the bigger oil filter on my 4.0. I use a purealator pure one PL30001. Now instead of 6 quarts, it holds almost 7.
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Was there a knock?....If so, is it quieter?
__________________
"The Bannana Channell, Programming With Appeal"....Stay Tuned For a Bunch More!
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>
Has Anyone Heard of This?
