Oil starvation in high loads - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jdcorbitt3 · 06-01-2013, 01:56 PM

I have been reading about engine failures in these cars a lot recently. I realize a lot of these failures are injector seal related. I am concerned, however, about oill starvation when cornering. Porsche has scavenge pumps in the cylinder heads to compensate for the high G loading. Does anyone know how the Subaru engine handles high G loading as far as oil starvation goes?

John

wootwoot · 06-01-2013, 02:05 PM

Not an issue for 99% of us. We have guys setting track records in their cars with no oil starvation issues.

There are a handful of blown engines and thousands of cars on the road. Worry not.

jamesm · 06-01-2013, 02:09 PM

i haven't heard of any oil starvation issues, though fuel starvation is pretty well documented, to the point that the FBM stage 2 kit comes with a solution to fix it.

xwd · 06-01-2013, 08:08 PM

Oil starvation hasn't traditionally been an issue on modern Subaru engines except when due to another part failure. The really old EJ20 JDM engines had some issues with spun bearings.

charged86 · 06-01-2013, 09:44 PM

What do you mean reading a lot of blown motors.

jdcorbitt3 · 06-01-2013, 11:38 PM

Quote:

Originally Posted by charged86

What do you mean reading a lot of blown motors.

One thread had at least four blown engines. Two were from the same car. I believe CSG Mike is the driver of one.

John

charged86 · 06-01-2013, 11:44 PM

Oh wow

jdcorbitt3 · 06-01-2013, 11:46 PM

Quote:

Originally Posted by wootwoot

Not an issue for 99% of us. We have guys setting track records in their cars with no oil starvation issues.

There are a handful of blown engines and thousands of cars on the road. Worry not.

I understand how reliable the Subaru engine is under normal conditions. I have a used car dealer's license. I go to dealer auctions. It is not uncommon to see a subaru go through with 250,000 to 275,000 miles on it and not even smoking.

Mi concern was under high lateral loading like at Sebring. This is the track I go to the most.

It appears I need to be more concerned with the Direct injector seals more than oil starvation.

John

06-01-2013, 01:56 PM	#1
jdcorbitt3 Senior Member Join Date: Mar 2013 Drives: 2013 red FR-S, OFT. 2000 Miata SE Location: Ocala Posts: 110 Thanks: 22 Thanked 50 Times in 28 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Oil starvation in high loads I have been reading about engine failures in these cars a lot recently. I realize a lot of these failures are injector seal related. I am concerned, however, about oill starvation when cornering. Porsche has scavenge pumps in the cylinder heads to compensate for the high G loading. Does anyone know how the Subaru engine handles high G loading as far as oil starvation goes? John Last edited by jdcorbitt3; 06-01-2013 at 01:58 PM. Reason: Clarification

06-01-2013, 09:44 PM	#5
charged86 Senior Member Join Date: Mar 2013 Drives: whiteout gt86 2015 IS350fsport Location: northern kentucky. cincy Posts: 1,931 Thanks: 2,154 Thanked 697 Times in 437 Posts Mentioned: 42 Post(s) Tagged: 0 Thread(s)	What do you mean reading a lot of blown motors. __________________ INSTAGRAM @Rcf_700 www.youtube.com/boostindub

06-01-2013, 11:44 PM	#7
charged86 Senior Member Join Date: Mar 2013 Drives: whiteout gt86 2015 IS350fsport Location: northern kentucky. cincy Posts: 1,931 Thanks: 2,154 Thanked 697 Times in 437 Posts Mentioned: 42 Post(s) Tagged: 0 Thread(s)	Oh wow __________________ INSTAGRAM @Rcf_700 www.youtube.com/boostindub

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06-01-2013, 02:05 PM	#2
wootwoot Senior Member Join Date: Jul 2012 Drives: FRS Location: Cali Posts: 1,558 Thanks: 188 Thanked 462 Times in 264 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	Not an issue for 99% of us. We have guys setting track records in their cars with no oil starvation issues. There are a handful of blown engines and thousands of cars on the road. Worry not.

06-01-2013, 02:09 PM	#3
jamesm Banned Join Date: Mar 2013 Drives: 2013 FR-S Location: Orlando, FL Posts: 2,929 Thanks: 1,166 Thanked 2,293 Times in 1,180 Posts Mentioned: 313 Post(s) Tagged: 4 Thread(s)	i haven't heard of any oil starvation issues, though fuel starvation is pretty well documented, to the point that the FBM stage 2 kit comes with a solution to fix it.

06-01-2013, 08:08 PM	#4
xwd Senior Member Join Date: Feb 2012 Drives: 2013 DGM Subaru BRZ (Subie #9) Location: ATL, US Posts: 2,667 Thanks: 123 Thanked 861 Times in 552 Posts Mentioned: 32 Post(s) Tagged: 0 Thread(s)	Oil starvation hasn't traditionally been an issue on modern Subaru engines except when due to another part failure. The really old EJ20 JDM engines had some issues with spun bearings.

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