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Autocrossing and Road Course Racing Enjoy and discuss the fun through the twisties at your favorite auto-x event. Check out the links to the SCCA website to locate your local club.

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Old 07-14-2007, 11:44 AM   #1
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Anyone having oil starvation issues?

Wondering if anyone is seeing oil starvation issues during high G cornering? When and if my car ever runs again it'll probably be on a nitto 555RII or other similar streetable R comp for the road course and I don't want to burn up a motor. Anyone have any insight? I'm talking about VQ35s here, not sure if the oil pan/pickup is the same with VE/VG cars or not.
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Old 07-14-2007, 12:48 PM   #2
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Quote:
Originally Posted by Nealoc187
Wondering if anyone is seeing oil starvation issues during high G cornering? When and if my car ever runs again it'll probably be on a nitto 555RII or other similar streetable R comp for the road course and I don't want to burn up a motor. Anyone have any insight? I'm talking about VQ35s here, not sure if the oil pan/pickup is the same with VE/VG cars or not.
Years ago I was driving around a parking lot doing right handed circles like an idiot in my '98. I did notice that the low oil light would come on briefly at the peak of cornering. I think the car was a little low on oil and it just so happened to trigger the light.

Though nothing that I have ever seen on any road course. I just follow Matt93SE's advice and add an extra quart of oil before a road course event. All the events I've been to there has never been a low oil light on my '96, also you want the extra oil do to the loss caused by blow by at higher revs.
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Old 07-14-2007, 01:59 PM   #3
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I'd have a custom lower oil pan spacer made before I started adding extra oil for fear of windage/foaming.
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Old 07-14-2007, 06:08 PM   #4
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no issues here
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Old 07-14-2007, 10:01 PM   #5
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No problems when oil is topped off.

In my Previa, when I take high-G turn, the brake warning light turns on to indicate low fluid, even when the fluid reservoir is full. LOL.

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Old 07-14-2007, 10:52 PM   #6
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no issues here
No issues with starvation, or with windage/foaming with extra oil?
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Old 07-15-2007, 08:19 PM   #7
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I was thinking of making an oil pan or trying to add some baffling to the stock one.
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Old 07-15-2007, 08:41 PM   #8
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I drove at Pocono in '04 a couple times, I've autocrossed several times since, no problems that I know of.

What do you mean by high-G though? Trailbraking at 90-100? Because that's what I did for a total of 2 hours at Pocono.
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Old 07-15-2007, 08:53 PM   #9
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No issues with starvation, or with windage/foaming with extra oil?
Either, but this car hasn't been hot-lapping...only autocross and aggressive driving through mountain roads....
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Old 07-15-2007, 09:56 PM   #10
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Quote:
Originally Posted by 97SEdriver

What do you mean by high-G though? Trailbraking at 90-100? Because that's what I did for a total of 2 hours at Pocono.

Yeah that sort of thing on a mild R comp (no hoosier R6s for me). Maybe it's just not an issue for us. That'd be nice.
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95 SE - Stock 3.0L w/ USIM - T61/P-trim @ 14.5psi - 93 octane
11.76 @ 121 - 1.82 60' - ET Street DOTs
12.15 @ 123 - 1.95 60' - Nitto Drag Radials
3.5L - I/Y/E - USIM
13.26 @ 101 - 1.80 60' - M&H Slicks
13.60 @ 103 - 2.15 60' - Street tires

96 GXE - stock 3.0L - I/Y/E/MEVI/JWT ECU - Totalled
13.42 @ 102 - 1.87 60' - M&H Slicks
13.82 @ 102 - 2.17 60' - Street tires

95 GXE - Totally Stock - winter beater
14.28 @ 95 - 2.07 60' - Street tires


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Old 07-16-2007, 07:12 AM   #11
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I wasn't on R-comps, and I was on stock suspension at the time...so I was rolling all over the place.
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Old 07-16-2007, 07:12 AM   #12
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It WAS an absolute blast however..........
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Old 07-22-2007, 03:00 PM   #13
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I thought bout using a ARC oil pan designed for a 350Z as I think it would fit- but the problem is, they are designed to hold oil around the oil pick up screen during a turn. Where if you mount it on a FWD VQ this would mean oil would be there durring high fore and aft forces like braking and accelerating.

I have been runing my VQ with 4.5QTS of oil all its life, never been a issue with foaming, nor have I ever seen the oil light flicker. 180K on mine.

From my previous experiences with my B13 SE-R, I would run a bit over full to prevent oil starvation during heavy lateral forces. SRs tend to spin bearings quite fast if you run them low on oil.
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Old 07-23-2007, 06:57 AM   #14
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Perfect excuse to convert to dry sump. True story.
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Old 07-23-2007, 08:50 AM   #15
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Quote:
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Perfect excuse to convert to dry sump. True story.
um......auto-x?
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Old 07-23-2007, 11:11 AM   #16
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Quote:
Originally Posted by d00df00d
Perfect excuse to convert to dry sump. True story.
what class would that put you in?
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Old 07-23-2007, 11:33 AM   #17
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what class would that put you in?
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Old 07-23-2007, 12:31 PM   #18
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HFI (Hideously Financially Irresponsible).
blah...blah...blah...excuses...excuses.....
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Old 07-30-2007, 09:07 PM   #19
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Would an Accusump change your class? That would be the way to go...
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