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Darryl
Dodge Dakota
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4/02/2004
12:38:15
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 Subject: Oversized Oil Filter
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Is anybody using an oversized oil filter on their 97-up V6 2wd auto?
IE: Mobil M1-301; K&N HP-3001; STP S8A; Bosch 3500; Wix 51515.
Any clearance problems?
Darryl
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dak-jak
Dodge Dakota
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4/02/2004
13:31:27
|  RE: Oversized Oil Filter
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shouldn't be a problem
just make sure they have good or better flow
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AmsoilSponsor
DakotaEnthusiast
 
4/02/2004
14:23:17
|  Oversized Oil Filter = Amsoil Super Duty Filter
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I gotta be quick. It's Friday Afternoon
Concerns of using an Oversized Filter:
A lot of people are using carefully selected oversized filters in their vehicles in order to get a bit more capacity. The key is to balance capacity with flow and filtration. Flow and Filtration are more important.
Physical Clearance --- If your filter is located near any moving parts like suspension arms --- you have to make sure that you have clearance when the suspension moves.
When making any filter substitutions, you should always make sure that there is sufficient clearance to install and remove the filter ... and that it doesn't hit anything as the engine moves on its mounts.
You should also make sure the filter doesn't hang significantly below the engine, where it may be impacted by the road, or anything on the road or in the woods ... when you off-road. This is not always easily accomplished because your engine will move as it rev's and as your vehicle travels over the bumps and potholes of the highway or off-road. Does the oil filter stick out under the engine? If so, a longer filter can be much more susceptible to rock and curb damage.
The final issue is bypass valve setting. Using any filter that is not within specifications with OEM may cause you to have either lower oil pressure or higher oil pressure depending upon the manufacturer.
BOTTOM LINE: USE CAUTION.
I may come back and post more on this subject later.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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Darryl
Dodge Dakota
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4/02/2004
18:40:09
| RE: Oversized Oil Filter
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Anybody with first hand experience on the filters I listed??
Darryl
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hmm
Dodge Dakota
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4/02/2004
20:33:50
| RE: Oversized Oil Filter
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Don't get me wrong, but why do you want to? Is there something us stock filter users are missing out on?
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J and J Auto
GenII
4/02/2004
20:36:06
| RE: Oversized Oil Filter
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Wix 51515
Yes I beleave that is the same car quest filter
made by Wix that I have been using on the magnums
listed for a 1988 318 ram
You will notice higher oil presure with them and
they work great.
I just picked up a K&N HP 2004 listed for the
dodge, they flow 12 gal per min and there resin
impregnated filter media has 2 1/2 times the
surface area as a paper filter.
Your presure will run a little lower with this
filter because it flows more oil through less
resistance on the oil pump
on my truck crusing
WIX around 60 psi
K&N around 40 psi
With the K&N the presure stands steady at 40 psi
idleing or driving.
Wix will hold 40 but go up as rpm increases more
resistance on the oil pump and less flow rate
Its like opening a water hose, a small opening
will flow less water at a higher presure than
a wide open hose more water at less presure
more flow and oil cooling the internals faster
Besides that I can run the K&N 6000 miles with my
Amsoil origanal turbo 10w30 oil it works out to
only needing to change oil every 6 months for me
If you plan to run hard you would want a filter
like the K&N normal average guy would not need
a $10 oil filter a good standard filter will
serve him fine.
http://people.msoe.edu/~yoderw/oilfilterstudy/oilfilterstudy.html
Larry
J&J Auto
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Darryl
Dodge Dakota
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4/02/2004
22:32:46
| RE: Oversized Oil Filter
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Larry, you are correct. The 5.0 Mustang uses the same filter as us, except it is 5.2 " long instead of our stock filter length of 3.8".
Every thing else is the same (gasket o.d. & i.d., thread pitch, and bypass valve setting of 8-11 psi).
Bigger filter= more filter area, better filtering and less flow restriction, not to mention a little more oil capacity.
So I guess the extra length will not be a problem since nobody has said different(like I originally asked) :)!!!
Darryl
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J and J Auto
GenII
4/02/2004
22:44:57
| RE: Oversized Oil Filter
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Message:
on the 4X4's its just a little tight with a wide
oil filter wrench but there is like 2" from
frame it wont hit unless you blow your motor
mounts.
LOL
Larry
J&J Auto
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uh Larry?
Dodge Dakota
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4/03/2004
01:20:08
| RE: Oversized Oil Filter
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actually for a mechanic you seem to not understand something, According to you, the WIX filter causes more oil pressure and less flow but just the opposite is true. Oil pressure is not determined before the filter but after, so if a particular filter resultes in higher oil pressure it is because MORE oil is flowing threough it, not less.
Wix will hold 40 but go up as rpm increases more
resistance on the oil pump and less flow rate
So since the pressure is measured after the filter and is higher, it has to be because the filter is letting more through it. My Mom used to have a 302 "stang many years ago, and with out looking at the odometer, just the oil pressure gage, she could tell when it neede changing as the pressure would slowly drop as the filter slowly clogged up.
Its like opening a water hose, a small opening
will flow less water at a higher presure than
a wide open hose more water at less presure
more flow and oil cooling the internals faster
like I said, if the filter is clogged, or from new, it keeps all the pressure behind the filter and does not let it get into the engine bearings where the oil does some good. the "water hose" gets all the pressure but any thing beyond your finger over the end of the hose (the filter) gets less oil. thus lowering the pressure and most likely limiting the volume of oil getting to the bearings, not a good thing in my book.
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AmsoilSponsor
DakotaEnthusiast
4/04/2004
15:39:27
|  Amsoil Super Duty Filter (SDF) Oversized OilFilter
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Amsoil SDF Oil Filters - Oversized Filter for the V8
Someone asked me the following question:
"My 2002 4.7 uses the SDF 42 oil filter. Is there a longer/deeper version of the same filter I could use. I would assume the larger filtration area would be of some benefit, maybe very minor, but some."
My response:
The SDF 42 oil filter is same size as OEM. I believe there are longer/deeper versions for your engine ... but trust me ... the SDF 42 is more than sufficient for your needs (rated to the 12.5k mile max. 6 mo interval).
... but you may be able to use either the larger SDF-96 or SDF-15 on the V8 Dakota. ( I am not certain about the Dakota, but I do believe they work on the V8 Jeep).
I believe the specs are about the same among the three filters except for the length. Concern would be clearance problems. To be sure, you will have to make a measurement for the clearance on your engine.
SDF-96, 3.75" diameter and 4.25" long
SDF-15, 3.75" diameter and 5.25" long
Both the SD-15 and the SDF-96 have more media.
(Believe it or not, some manufacturers use the same media in all size filters). Question to myself ... is more media what we want, or is it flow/filtration?
The SDF 42 is all I have ever recommended for the Dakota 4.7 V8. Are you looking for a larger filter to help lower your operating temperatures? If so, this would only drop it by a very few degrees.
1) when you go outside the recommended size (SDF 42) I am afraid that you are you own to find out what fits, ... never a guarantee.
2) Someone did say the SDF-15 fit their 4.7: "On my 4.7 in Jeep GC, I'm using the SDF15 with no clearance problems."
3) The "length" dimensions of the SDF-42, 96, 15 and even the 26 are below. All 4 are about 3.72"
Outside Diameter, ... and SDF:
42 = 3.966" long
96 = 4.336" long
15 = 5.726" long
26 = 7.125" long
You could either measure around the current filter and see how much clearance for additional length, or buy an SDF-96 next change, it should fit with ease. Then check again to see how much room you have, lengthwise.
Don't compromise and allow the filter to be in a position where it might be too long and be at risk for damage if struck. OK?
And of course all have 3/4"-16 threads.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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tc
Dodge Dakota
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4/05/2004
11:19:04
| RE: Oversized Oil Filter
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In response to your original question - I have used the "oversized" filters you speak of on many of my DC cars & trucks for years. No problem. I believe that you can find reference to the practice on allpar also.
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none
Dodge Dakota
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5/31/2004
00:24:32
|  RE: Oversized Oil Filter
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Another data point. I changed oil today and found out that 5000 miles ago I had installed a filter intended for my 1.8L turbo jetta. It was a purolator pl20252 pure one filter and is about an inch longer than the stock dodge filter. I did not notice any problems running this filter and I keep an eye on my gauges. I have a '90 v6 dakota with 80k.
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dogpeonrourke
Dodge Dakota
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5/31/2004
14:25:33
| RE: Oversized Oil Filter
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Message:
hey steve you moron what does an answer to a "V6" engine question have to do with your answer to a "V8" engine oil filter?
NONE
a 4.7 is in no way related to the 3.9 that Darryl was questioning about.
Once again YOU end up looking like a stupid little fool because you are more intereseted in getting you name on the forum and your useless words posted to a threead rather then actually answering the question at hand.
Since the oil filter in the "97 and up V6 (which by the way is not related in any way to the 4.7 V8 that you refer to) is located in in diferent position then the oil filter in the 4.7, see your comments "" Someone asked me the following question:
"My 2002 4.7 uses the SDF 42 oil filter. Is there a longer/deeper version of the same filter I could use. I would assume the larger filtration area would be of some benefit, maybe very minor, but some."
My response:
The SDF 42 oil filter is same size as OEM. I believe there are longer/deeper versions for your engine ... but trust me ... the SDF 42 is more than sufficient for your needs (rated to the 12.5k mile max. 6 mo interval).
... but you may be able to use either the larger SDF-96 or SDF-15 on the V8 Dakota. ( I am not certain about the Dakota, but I do believe they work on the V8 Jeep).
I believe the specs are about the same among the three filters except for the length. Concern would be clearance problems. To be sure, you will have to make a measurement for the clearance on your engine.
SDF-96, 3.75" diameter and 4.25" long
SDF-15, 3.75" diameter and 5.25" long
Both the SD-15 and the SDF-96 have more media.
(Believe it or not, some manufacturers use the same media in all size filters). Question to myself ... is more media what we want, or is it flow/filtration?
The SDF 42 is all I have ever recommended for the Dakota 4.7 V8. Are you looking for a larger filter to help lower your operating temperatures? If so, this would only drop it by a very few degrees.
1) when you go outside the recommended size (SDF 42) I am afraid that you are you own to find out what fits, ... never a guarantee.
2) Someone did say the SDF-15 fit their 4.7: "On my 4.7 in Jeep GC, I'm using the SDF15 with no clearance problems." ""
what the hell does your post do to answer the question about a 3.9 engine oil filter ??
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Regular Joe
Dodge Dakota
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5/31/2004
15:25:52
|  RE: Oversized Oil Filter
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Hey dogpee guy , if you didnt notice nobody answered anything about the 3.9. There was somthing about a 5.0 mustang and a 318 and you didn`t say jack. So ya. NEENER NEENER. I think deep down inside you really like Steve.
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GB2000
GenIII
5/31/2004
15:44:59
| RE: Oversized Oil Filter
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Why don't you read the information in that excerpt/quote/whatever he posted... it isn't that he's trying to provide information about V8 dakotas, but if you use a little logic you can pull information out of there that can be used towards V6's as well. I'm sure THAT'S why Steve posted it too.
Josh
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Darryl
Dodge Dakota
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6/01/2004
00:11:11
| RE: Oversized Oil Filter
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I thought this thread was dead! I should have posted this a LONG time ago, but I didn't:
The filters I listed in the original post do not fit my '99 V6 Auto 2wd CC.
I went and bought the K&N-3001 and it's too long, it hits the tranny brace and you can't even get it started.
I guess that's what I get for thinking!!
Stay with the stock filter sizes.
Darryl
|
um
Dodge Dakota
JOIN HERE
6/01/2004
00:33:04
| RE: Oversized Oil Filter
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Message:
gee no kidding
filed under "useless waste of time" forum
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AmsoilSponsor
DakotaEnthusiast
6/01/2004
09:18:12
| Oversized Oil Filter, Amsoil, Amzoil, Ams Oil
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Message:
GB2000,
Correct, ... it wasn't that I was trying to provide information about V8 Dakotas on a V6 Forum, but providing information that could be used towards V6's as well.
Steven Roark , Amsoil Dealer , Proud Sponsor of www.DodgeDakotas.com
AMSOIL Synthetic Motor Oils, Lubricants, Filtration, and Truck Care Products
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