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Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency #5134978 06/15/19 01:09 PM
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snakyjake Offline OP
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Does anyone have a comparison between Baldwin High Velocity Dual Flow vs. Fleetguard Venturi Combo?

The design of the Baldwin bypass appears to be a synthetic fiber media, while Fleetguard appears to be a metal stacked media disc. But I don't know, and I can't tell if the bypass media is metal or fiber. I've seen metal disc filters on industrial equipment, and those engines seem to last forever.

What I really want to know is the cold start flow rate.
Also want to know how good the bypass material (fiber or metal) is.

Filter doesn't do much good if it doesn't flow or gets clogged.

Thanks in advance.

Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5134995 06/15/19 01:27 PM
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bullwinkle Offline
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The bypass on a Venturi is stacked synthetic fiber media, which receives flow from the venturi in the base directing a portion of the oil flow at it. They're hexagons, that have holes in them that don't line up with each other. The main media of a Venturi is standard wire backed synthetic media. I haven't cut open an unused one, they're too expensive not to use. The Baldwins are cheaper, but they're a lot like the old Mercedes filters for diesel-two different types of media.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5135014 06/15/19 01:46 PM
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Linctex Offline
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They are an amazing concept (ONLY if the flow rate is high enough!)

I have yet to see any tests that show it's worth the extra cost.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5135523 06/16/19 07:27 AM
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DoubleWasp Offline
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It's a bypass filter in there. Seems to be working for me. My soot levels have plummeted since I started using the LF9028.

Running 25k mile OCIs has yet to bring me to condemnation limits. I could probably do 40k or 50k on a CI-4+ oil with big TBN.

Expensive, but worth it to me.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: DoubleWasp] #5135806 06/16/19 02:09 PM
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Linctex Offline
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Originally Posted by DoubleWasp
My soot levels have plummeted since I started using the LF9028.
Running 25k mile OCIs has yet to bring me to condemnation limits. I could probably do 40k or 50k on a CI-4+ oil with big TBN.



That's impressive!

Is this anecdotal, or is there data sheets showing particle counts, or....?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5136553 06/17/19 11:27 AM
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DoubleWasp Offline
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UOAs in the diesel section. Soot levels part of the UOA. I've done two 25K mile OCIs. Only "problem" I had was that my TBN got a little low (2.5) on the last run due to a clogged crankcase vent filter. Crankcase was barely breathing at all. I actually caught the problem because of the UOA. My rings are tight enough the case pressure never got high enough to set a code.

TBN fallout combined with potassium with no coolant or water (oil enters charge air system and leaches potassium from intercooler before being ingested by the engine) are the calling card of overdue CCV filter.
[Linked Image]

Oils are mislabeled. Amsoil AME 15W-40 on the right, Schaeffer 15w-40 next, then Schaeffer 5W-40, then Redline 15W-40.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: Linctex] #5137103 06/17/19 09:21 PM
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snakyjake Offline OP
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Originally Posted by Linctex
They are an amazing concept (ONLY if the flow rate is high enough!)


Does the venturi create the necessary flow rate?
What is the minimum flow rate required?

Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5137123 06/17/19 09:51 PM
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ZeeOSix Offline
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Originally Posted by snakyjake
Originally Posted by Linctex
They are an amazing concept (ONLY if the flow rate is high enough!)

Does the venturi create the necessary flow rate?
What is the minimum flow rate required?


It's actually flow vs delta-p of the filter that matters since it's a PD oil pump that's moving the oil.

Call or email the filter maker and ask them if they have any flow vs delta-p data the can share.

Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5137196 06/18/19 02:38 AM
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DoubleWasp Offline
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Flow is not an issue. Cummins ISB engines move huge amounts of oil. 16 gallons per minute. There is more than enough oil going through there.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5137359 06/18/19 08:32 AM
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snakyjake Offline OP
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Might anyone know the oil flow for the Ford Powerstroke 7.3L (Fleetguard LF3974)?

Re: Baldwin High Flow vs. Fleetguard Venturi Combo Bypass Flow/Efficiency [Re: snakyjake] #5137671 06/18/19 02:51 PM
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DoubleWasp Offline
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I guarantee it is higher. You've seen that oil filter right? A child's fist could go into the center tube without touching the sides.

I've heard 18.5 GPM at 3300 rpm. Don't know if that is correct.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
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