Re: Jomar High flow oil filter , no by-pass valve
[Re: Mattax]
#1715596
12/26/14 11:02 PM
12/26/14 11:02 PM
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Joined: Dec 2014
Posts: 16 Missouri
DC416
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Re: Jomar High flow oil filter , no by-pass valve
[Re: DC416]
#1715597
12/26/14 11:26 PM
12/26/14 11:26 PM
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Joined: Nov 2006
Posts: 733 jacksonville,FLORIDA
slammedR/T
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super stock
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jacksonville,FLORIDA
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My moroso oil filter doesn't have a bypass neither and is one of the reasons I buy it. I was going to buy wix racing filters but their tech people are assholes and turned me away from them.
2000 Dakota R/T, 408 magnum, 727, Indy heads 1000cfm 4150 carb, 93 octane fuel. motor; 10.258 @ 132.78 200 shot; 9.262 @ 144.69 racemagnum
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Re: Jomar High flow oil filter , no by-pass valve
[Re: slammedR/T]
#1715598
12/27/14 02:07 PM
12/27/14 02:07 PM
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Joined: Jan 2003
Posts: 8,028 Tulsa OK
Bad340fish
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Tulsa OK
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I read that whole yellowbullet thread last night, very interesting. I never thought of the bypass the way they describe it, makes sense.
68 Barracuda Formula S 340
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Re: Jomar High flow oil filter , no by-pass valve
[Re: DC416]
#2225619
01/02/17 03:35 PM
01/02/17 03:35 PM
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crabman173
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crabman173
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Filter is made by Baldwin--long said to be the best by McCandless we like them--safe to use in any application--anytime It filters oil all the time like you would suspect should happen but doesn't If it is plugging up you are blowing up so....best thing is it does not add to the problem Jomar and guys that run it are fantastic folks and know what they are talking about you can call them direct for fast shipping and a no BS experience Love those guys!!!!
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Re: Jomar High flow oil filter , no by-pass valve
[Re: DC416]
#2225658
01/02/17 04:28 PM
01/02/17 04:28 PM
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Joined: Oct 2007
Posts: 4,209 New York
polyspheric
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500 years ago Bill Jenkins recommended the AC832 truck filter, the canister is as big as a garbage can so it's safe without a bypass. Safe is a relative term. Straight 60 weight and 20 degree oil temperature will blow almost anything off the engine even with a bypass - it's just too much pressure. It also depends in part on what the capacity of the pump's pressure relief system - some are pretty small.
Boffin Emeritus
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Re: Jomar High flow oil filter , no by-pass valve
[Re: 65Fury440]
#2225859
01/02/17 09:02 PM
01/02/17 09:02 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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So if the filter starts plugging up, will you see that as a decrease in idle oil pressure?
When oil pump speed come up with RPMs, would the oil pump bypass then allow normal pressure to oiling system?
Most oil pressure relieve valves/springs are set at 70 psi so it will by pass at that point.. BUT flow is what your after.. if the filter plugged up 100%you have ZERO flow EDIT The pressure gauge is after the filter
Last edited by MR_P_BODY; 01/02/17 09:19 PM.
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Re: Jomar High flow oil filter , no by-pass valve
[Re: MR_P_BODY]
#2225902
01/02/17 10:10 PM
01/02/17 10:10 PM
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Joined: Mar 2013
Posts: 571 Spring Hill Fl
65Fury440
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So if the filter starts plugging up, will you see that as a decrease in idle oil pressure?
When oil pump speed come up with RPMs, would the oil pump bypass then allow normal pressure to oiling system?
Most oil pressure relieve valves/springs are set at 70 psi so it will by pass at that point.. BUT flow is what your after.. if the filter plugged up 100%you have ZERO flow EDIT The pressure gauge is after the filter If the gauge is after the filter, a restricted filter would show up as lower gauge pressure? This will be on a weekend warrior engine, oil will never get dirty, just thinking it through. I think this is how it would work, just wanted to run it by the discerning minds of Moparts.
Last edited by 65Fury440; 01/02/17 10:12 PM.
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Re: Jomar High flow oil filter , no by-pass valve
[Re: DC416]
#2226037
01/03/17 12:39 AM
01/03/17 12:39 AM
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crabman173
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crabman173
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Geeezz! I have NEVER had a plugged filter in one of my Mopars street or race If pressure is dropping you have a problem Any filter will do and is not any problem Never seen an engine failure due to a dang filter Snap out of it!!!!
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Re: Jomar High flow oil filter , no by-pass valve
[Re: ]
#2226058
01/03/17 12:57 AM
01/03/17 12:57 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Romeo MI
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Geeezz! I have NEVER had a plugged filter in one of my Mopars street or race If pressure is dropping you have a problem Any filter will do and is not any problem Never seen an engine failure due to a dang filter Snap out of it!!!! I have had a pressure drop of 20psi with a Fram filter.. so did my brother and my buddy.. we dont use Fram filters anymore
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Re: Jomar High flow oil filter , no by-pass valve
[Re: 65Fury440]
#2226097
01/03/17 01:52 AM
01/03/17 01:52 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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I don't fully understand how the pump bypass would behave in a full or partial restriction, with a filter that doesn't have a bypass.
IF the filter starts plugging up the back pressure increases which puts more pressure on the pump... the pump by pass opens up BUT if the filter were totally plugged up the pump by pass CANT handle the total flow of the pump.. but if your smart the gauge outlet would show zero pressure and if you put a low pressure switch on that point to the ignition it will kill the engine
Last edited by MR_P_BODY; 01/03/17 01:55 AM.
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Re: Jomar High flow oil filter , no by-pass valve
[Re: MR_P_BODY]
#2226104
01/03/17 02:00 AM
01/03/17 02:00 AM
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Joined: Mar 2013
Posts: 571 Spring Hill Fl
65Fury440
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mopar
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I don't fully understand how the pump bypass would behave in a full or partial restriction, with a filter that doesn't have a bypass.
IF the filter starts plugging up the back pressure increases which puts more pressure on the pump... the pump by pass opens up BUT if the filter were totally plugged up the pump by pass CANT handle the total flow of the pump.. but if your smart the gauge outlet would show zero pressure and if you put a low pressure switch on that point to the ignition it will kill the engine Thanks for the explanation. I always thought the pump bypass diverted back into the pan. I am going to run the Jomars, ordered 3 from Jeg's. I change the oil once a year, maybe go 2-3000 miles. Oil pressure gauge should start to show a decrease with less flow. Thanks again.
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