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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHOil Level with Deep Sump
Leading reported evidence
Install lne 2 quart deep sump
Performed · outcome unconfirmed
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0
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0
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1
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Read evidence and context
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Suggestion
The best thing you can do is run a fresh oil which is less likely to foam, an approved oil which among other things is blended to reduce the tendency to foam, and don't over fill the engine.
Leading evidence: 'Install lne 2 quart deep sump' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Fill engine' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
For the street I run the oil at the max line when measured with the oil hot.
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Performed · outcome unconfirmed
I've always ran my oil level at the middle or above mark.
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Suggestion
The best thing you can do is run a fresh oil which is less likely to foam, an approved oil which among other things is blended to reduce the tendency to foam, and don't over fill the engine.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
One loses that extra 0.75" of oil over the pick up if he doesn't fill the engine up with oil.
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Fill engine
No successful repair reported for this finding.
0
Reported fixes
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Unsuccessful attempts
1
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Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion
The best thing you can do is run a fresh oil which is less likely to foam, an approved oil which among other things is blended to reduce the tendency to foam, and don't over fill the engine.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
The best thing you can do is run a fresh oil which is less likely to foam, an approved oil which among other things is blended to reduce the tendency to foam, and don't over fill the engine.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
13 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261027T173940Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I installed the LNE 2 quart deep sump. I read a post somewhere on the forum (can't find it now) that with a deep sump you should run the oil level at the bottom end of the dipstick (or dash gauge) to prevent fouling the AOS. Not sure if that is accurate...anyone know what is recommended here?
Why would you run the level at the bottom of the dipstick, even with a deep sump? In my mind the deep sump provides the advantage of more oil volume, thus more oil cooling and better long term lubrication. With a deep sump (usually with better baffles) and longer oil pickup pipe, one is simply increasing the oil volume available in the engine, and you would want to keep the oil level at or near the full mark to take advantage of that. The AOS is not going to get fouled with the level at full, unless you are pulling 3 G's in a long sweeping right hand turn. But then again, that is what the improved baffling is supposed to help prevent (oil sloshing in the sump), and keep the oil under the pickup tube. Just my opinion....
I've always ran my oil level at the middle or above mark. I would never purposely run it low at a track day. 2 to 3 bars below the full mark is where I like to keep it for track days
this is measuring it with the digital Guage after its been sitting for 12+ hours.
I wouldn't and don't run it at the bottom, but definitely don't fill it up either. and yes, with the oil at the top line, you risk getting oil into your AOS.
the prime advantage of the deep sump is that you have an extra .75" of oil above the pickup, making it harder to uncover. Combine that with vertical and horizontal baffling and you don't need the oil to the max line.
It makes no sense to add a deeper sump then to fill this sump up with less oil. One loses that extra 0.75" of oil over the pick up if he doesn't fill the engine up with oil. Kind of defeats the purpose of the deeper sump.
Oil in vapor possibly even oil in liquid droplet form is going to get into the AOS no matter what and especially during a track session. The engine becomes one big oil vapor generator and a considerable amount of oil liquid oil in droplet form is suspended in the engine under the camshaft covers and in the crankcase proper. At various times around a track (or on the street) a lot of this vapor and even some of the suspended oil gets pulled through the AOS.
The best thing you can do is run a fresh oil which is less likely to foam, an approved oil which among other things is blended to reduce the tendency to foam, and don't over fill the engine.
But fill the engine up with oil.
For the street I run the oil at the max line when measured with the oil hot. If I tracked my cars I'd run the oil at the same level.
So I contacted LNE since there seems to be controversy about this. Here is their response:
Ticket 746 has been replied to.
Stephen wrote:
Good morning Nick,
Yes, that is correct. Run the oil level at the minimum level or just a tad over.
I've also attached a few technical documents that may be useful to you as well to read at your leisure.
Thanks!
The 997 return tubes are a trade off between more foaming vs the 996 swirl pots but speeding the return of oil to the sump by deleting the swirl pots.
Thinking about it...the sump is deeper but the dipstick (manual or electronic) is at the same level. So you are really not filling it with less oil by keeping it at a lower level. It still has more oil than before not to mention the baffles surrounding a pickup tube placed inside a nearly completely enclosed windage tray (which is unique to the LNE kit vs others). But I could be wrong.
again, stick to buying guides. this is simply something you dont understand because you have no experience with tracking the m96 or installing deep sumps and oil pan baffles
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