What do you guy's do with the unused oil? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

lupindub · 02-03-2016, 04:11 PM

Since our car requires aprox. 5.5 quarts of oil, we need to buy 6 quarts of oil per oil change. So what do you guy's do with the unused and open .5 quart of oil? I heard oil can go "rancid", especially after the factory packaging has been opened. Is this an old wives tale or truth behind this, and does this only apply to standard oil or to synthetic as well?

go_a_way1 · 02-03-2016, 04:13 PM

Quote:

Originally Posted by lupindub

Since out car requires aprox. 5.5 quarts of oil, we need to buy 6 quarts of oil per oil change. So what do you guy's do with the unused and open .5 quart of oil? I heard oil can go "rancid", especially after the factory packaging has been opened. Is this an old wives tale or truth behind this, and does this only apply to standard oil or to synthetic as well?

Installed an oil cooler so it takes all 6L

hahahha! I have a ton of half bottles in my room. no idea why I keep them. Yeah it can go "bad" with enough time, applies to all oil

Jesse36m3 · 02-03-2016, 04:29 PM

Keep it in the trunk next to the spare tire so I can top off if needed when I'm out.

Pat · 02-03-2016, 04:40 PM

Keep it for the next oil change. It'll be just fine for a few months in the original packaging.

lupindub · 02-03-2016, 04:45 PM

Quote:

Originally Posted by Pat

Keep it for the next oil change. It'll be just fine for a few months in the original packaging.

Few months might be okay.. but I don't drive the car much so I only change to oil every 7.5 month. Nearly 3/4 of a year and the oil will still be fine?

ryoma · 02-03-2016, 04:53 PM

I drain my oil until it starts dripping, close it off, then pour in the extra half quart and let it accumulate for like 5-10 minutes, then open the drain plug again and let it flow out. probably a waste of .5 qt but it makes me feel better to have clean oil rinse through lol

RRnold · 02-03-2016, 04:56 PM

It depends on your conditions but oil has a good shelf life.

http://www.mobilindustrial.com/ind/e...mendations.pdf

go_a_way1 · 02-03-2016, 05:10 PM

Quote:

Originally Posted by ryoma

I drain my oil until it starts dripping, close it off, then pour in the extra half quart and let it accumulate for like 5-10 minutes, then open the drain plug again and let it flow out. probably a waste of .5 qt but it makes me feel better to have clean oil rinse through lol

Does it really rinse much or just flow right down into the oil pan?

Pat · 02-03-2016, 05:10 PM

Quote:

Originally Posted by lupindub

Few months might be okay.. but I don't drive the car much so I only change to oil every 7.5 month. Nearly 3/4 of a year and the oil will still be fine?

It'll be fine. Don't sweat it.

ryoma · 02-03-2016, 05:36 PM

Quote:

Originally Posted by go_a_way1

Does it really rinse much or just flow right down into the oil pan?

it probably just flows right into the oil pan, but I would like to think it would grab some old oil on its way down lol

fumanchu1 · 02-03-2016, 06:22 PM

Quote:

Originally Posted by ryoma

it probably just flows right into the oil pan, but I would like to think it would grab some old oil on its way down lol

Wishful thinking maybe?
eh why not, I mean it was just gonna be wasted oil anyways

stevesnj · 02-03-2016, 08:34 PM

You may burn some so keep it for topping off.

Mr.ac · 02-03-2016, 10:22 PM

Quote:

Originally Posted by lupindub

Since our car requires aprox. 5.5 quarts of oil, we need to buy 6 quarts of oil per oil change. So what do you guy's do with the unused and open .5 quart of oil? I heard oil can go "rancid", especially after the factory packaging has been opened. Is this an old wives tale or truth behind this, and does this only apply to standard oil or to synthetic as well?

You make me faceplam, and question your generation.
Joking aside,

As long as don't store it in an open container, oil will go "rancid" in about 10 years and that if you have oil from the 80's. Today's oil would be good for up to 20 years.
So yeah it's an old myth

Like others said, either keep it in the garage or keep it in the trunk.

Decay107 · 02-04-2016, 05:09 AM

I drink it mixed with methanol and mountain dew

02-03-2016, 04:11 PM	#1
lupindub Senior Member Join Date: Jul 2015 Drives: Scion FR-S Location: Michigan Posts: 285 Thanks: 228 Thanked 95 Times in 48 Posts Mentioned: 7 Post(s) Tagged: 2 Thread(s)	What do you guy's do with the unused oil? Since our car requires aprox. 5.5 quarts of oil, we need to buy 6 quarts of oil per oil change. So what do you guy's do with the unused and open .5 quart of oil? I heard oil can go "rancid", especially after the factory packaging has been opened. Is this an old wives tale or truth behind this, and does this only apply to standard oil or to synthetic as well? Last edited by lupindub; 02-03-2016 at 04:46 PM.

02-03-2016, 04:53 PM	#6
ryoma Senior Member Join Date: Mar 2015 Drives: 2015 Subaru BRZ Limited CWP Location: SoCal Posts: 1,561 Thanks: 34 Thanked 669 Times in 469 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	I drain my oil until it starts dripping, close it off, then pour in the extra half quart and let it accumulate for like 5-10 minutes, then open the drain plug again and let it flow out. probably a waste of .5 qt but it makes me feel better to have clean oil rinse through lol __________________ My 2015 CWP BRZ Build

02-03-2016, 04:56 PM	#7
RRnold 2 wheel member Join Date: Feb 2010 Drives: JZA80, 997.1, Taco Location: SoCal->NorCal Posts: 4,330 Thanks: 1,318 Thanked 938 Times in 480 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	It depends on your conditions but oil has a good shelf life. http://www.mobilindustrial.com/ind/e...mendations.pdf __________________

02-03-2016, 08:34 PM	#12
stevesnj Senior Member Join Date: May 2013 Drives: 2016 FR-S Oceanic Blue Location: Southern NJ Posts: 2,958 Thanks: 2,158 Thanked 1,601 Times in 923 Posts Mentioned: 30 Post(s) Tagged: 2 Thread(s)	You may burn some so keep it for topping off. __________________ My 2016 Build thread TRD Exhaust with custom quad tips, TRD Lowering Springs,TRD Quick shifter,LED;DRL, Projectors, and turn signals. Re-badge, 86 Nanny, WinmaxW2 Pads, K&N Drop In, Antenna delete

02-04-2016, 05:09 AM	#14
Decay107 Turning is for Nerds Join Date: Aug 2013 Drives: 35 characters is not enough Location: PDX Posts: 1,974 Thanks: 836 Thanked 1,259 Times in 717 Posts Mentioned: 186 Post(s) Tagged: 3 Thread(s)	I drink it mixed with methanol and mountain dew __________________ My build thread / journal / evidence for warranty claim denial Motorcycle build thread

02-03-2016, 04:29 PM	#3
Jesse36m3 Senior Member Join Date: Mar 2014 Drives: JDL Turbo BRZ Location: EG, RI Posts: 450 Thanks: 46 Thanked 305 Times in 140 Posts Mentioned: 3 Post(s) Tagged: 2 Thread(s)	Keep it in the trunk next to the spare tire so I can top off if needed when I'm out.

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