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Old 09-11-2010, 09:18 PM   #1 (permalink)
jpowel29
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Oil flow (hot) through stock oil pump

I am trying to spec out the correct Oberg filter set-up. The one I am considering flows: 20 GPM through a 60 micron filter (based on 20x-50 oil at 180 degrees).
There is one size larger that flows 37gpm. Anyone know how much a stock DMmax oil pump pushes? How much a Delco spin on filter would flow?
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Old 09-14-2010, 08:07 AM   #2 (permalink)
dnewton3
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The stock filters flow around 8-11 gpm. And they are typically way over capacity to assure safe operation. In essence, it's reasonable to expect the stock engine oil pump runs perhaps 4-5 gpm.

Why in the world are you looking at these filters? Do you have a race engine you're building? You have no reason whatsoever to put this on a Dmax, and in fact you're risking the health of your engine in doing so. These are WAY to coarse a filter to use in a stock application. 60um at 20 gpm? Your engine will never push that much oil, ever. And 60um is a HUGE chunk of particulate. The stock filters are nominal at 20um.

I suggest you review your course of action. If you're putting together a race engine, then perhaps this is what you want. If you're not doing that, then stay away from these filters.
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Member #2 of the "OIL is OIL" association
I used to use dino oil because I didn't know any better.
Then, I used synthetics because I thought they were "best".
Now, I use dino, because I know the truth!

Last edited by dnewton3; 09-14-2010 at 08:07 AM.
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Old 09-14-2010, 08:18 AM   #3 (permalink)
jpowel29
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Track only motor so it is much easier than cutting the filter open every time (and it is a quick n easy way to see what is going on in the motor). The oil gets changed after every race so the coarser filter is ok. Thanks for the info.
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Old 09-14-2010, 09:19 AM   #4 (permalink)
IGO1320
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20 GPM is plenty, I agree don't use it on the street but in a racing app they work great. I prefer System One but have nothing bad to say about Oberg I have used them on customer motors.
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Old 09-18-2010, 10:05 AM   #5 (permalink)
dnewton3
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If you're using it for track only, I'd say the system you're looking at will work well. 20gpm will be fine.
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2006 White Chevy CC 4x4 3500 SRW W/T
6.6L Duramax LBZ / Allison trans / manual T-case with Riverside Gear pump-rub-elimination upgrade / coolant bypass filter / PCV reroute
Fumoto drain valve / Power Steering Cooler added / Inverted Tranny Cooler / Autometer pyrometer / home-made diff cover / upgraded x-fer case skid plate

Member #2 of the "OIL is OIL" association
I used to use dino oil because I didn't know any better.
Then, I used synthetics because I thought they were "best".
Now, I use dino, because I know the truth!

Last edited by dnewton3; 09-18-2010 at 10:06 AM.
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