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Old 08-10-2020, 03:16 PM   #1
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As do I, BYprodriver!
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Old 08-10-2020, 07:30 PM   #2
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As do I, BYprodriver!
What oil are YOU using?

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Old 08-10-2020, 08:02 PM   #3
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What oil are YOU using?

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DT-40, although I don't think the brand has anything to do with oil pressure drop from hard cornering. That's caused by a poor design in the oil circulation system.
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Old 08-10-2020, 08:25 PM   #4
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DT-40, although I don't think the brand has anything to do with oil pressure drop from hard cornering. That's caused by a poor design in the oil circulation system.
No, but I DO think that a "better" lubricant is likely to mask more dips in pressure than a "lesser" lubricant. Y'know?

I dunno..... maybe that's naive.

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Old 08-11-2020, 01:10 AM   #5
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I´m certainly no Oil-expert, ut I do think that there might be a possibility to get less foaming with the right oil, thus better fill in the oil-pan. I run Mobil-1 5w-50, X51 baffles, OEM pan. Get some flickering pressure-lamp in hard cornering sometimes..

Reading all the great responses above, I think I might start by using the FVD 0,6l pan, if thats not enough, I guess the FVD-pan could easily be sold as used..
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Old 08-11-2020, 07:43 AM   #6
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No, but I DO think that a "better" lubricant is likely to mask more dips in pressure than a "lesser" lubricant. Y'know?

I dunno..... maybe that's naive.

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It can't hurt to have a good oil, that's for sure. But the root problem is still there.
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Old 08-11-2020, 11:53 AM   #7
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For what it is worth I run XP9, have an LN deep sump and the oil pressure does vary widely. Pretty much the same as when I ran an X51 only.

Your gauge sampling rate will effect what dips you see. AIM will use 5-10hz for a pressure sensor, don't know about a VDO gauge.

If you do install a deep sump on a car that is run on the street, install some sort of sump guard. You won't regret it.
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Old 08-11-2020, 12:28 PM   #8
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For what it is worth I run XP9, have an LN deep sump and the oil pressure does vary widely. Pretty much the same as when I ran an X51 only.

Your gauge sampling rate will effect what dips you see. AIM will use 5-10hz for a pressure sensor, don't know about a VDO gauge.

If you do install a deep sump on a car that is run on the street, install some sort of sump guard. You won't regret it.
I don't think I ever had the wherewithal to catch oil pressure dipping in corners. I think gauge with a preset low level alarm would be what I would have done for track work
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Old 08-11-2020, 01:16 PM   #9
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For what it is worth I run XP9, have an LN deep sump and the oil pressure does vary widely. Pretty much the same as when I ran an X51 only.

Your gauge sampling rate will effect what dips you see. AIM will use 5-10hz for a pressure sensor, don't know about a VDO gauge.

If you do install a deep sump on a car that is run on the street, install some sort of sump guard. You won't regret it.
XP9 vs DT40.
Somebody? How does the nomenclature for Driven oils work?
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