Rookie Mistake - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

VoltsFRS2013 · 09-20-2022, 10:43 PM

While we are on the topic, how much oil would you guys suspect would actually be too much and cause harm? It's my understanding that too much oil can

- increase oil pressure
- cause air pockets (failed lubrication)
- froth up

soundman98 · 09-20-2022, 10:57 PM

starting to get into a guessing game.

i wouldn't worry about it unless it's frothy on the dipstick.

Clipdat · 09-21-2022, 02:39 AM

Quote:

Originally Posted by VoltsFRS2013

While we are on the topic, how much oil would you guys suspect would actually be too much and cause harm? It's my understanding that too much oil can

- increase oil pressure
- cause air pockets (failed lubrication)
- froth up

I believe you'd have to overfill by an entire quart to begin seeing those things happening.

x808drifter · 09-21-2022, 04:31 AM

And FIY Hole to hole on a dip stock is 1 quart for every car I've seen.

Tcoat · 09-21-2022, 07:59 AM

Quote:

Originally Posted by VoltsFRS2013

While we are on the topic, how much oil would you guys suspect would actually be too much and cause harm? It's my understanding that too much oil can

- increase oil pressure
- cause air pockets (failed lubrication)
- froth up

You need a lot more oil than you have for that.
If you were so overfull that it causes an issue you would know by now.

NARFALICIOUS · 09-21-2022, 12:16 PM

Put your dipstick in, pull it out, and wipe it about 50-100 times.

NoHaveMSG · 09-21-2022, 12:25 PM

Quote:

Originally Posted by Clipdat

I believe you'd have to overfill by an entire quart to begin seeing those things happening.

Pretty sure it is more than that, I know guys that intentionally run a quart high. There is the oil pan, the upper oil pan, and then the outside of the crank is about an inch above that.

TommyW · 09-21-2022, 01:11 PM

As long as the crankshaft isn't hitting the oil in the pan you're ok.

Clipdat · 09-23-2022, 02:03 AM

Quote:

Originally Posted by NoHaveMSG

Pretty sure it is more than that, I know guys that intentionally run a quart high. There is the oil pan, the upper oil pan, and then the outside of the crank is about an inch above that.

Why would you want to intentionally run a quart high?

Ultramaroon · 09-23-2022, 03:11 AM

Quote:

Originally Posted by Clipdat

Why would you want to intentionally run a quart high?

Oil pools in the heads when cornering. Another quart is insurance against starvation.

x808drifter · 09-23-2022, 07:21 AM

Quote:

Originally Posted by Ultramaroon

Oil pools in the heads when cornering. Another quart is insurance against starvation.

Drive like Takumi and that's not a problem.

wolffbite · 09-23-2022, 11:34 AM

You'll be fine.

This is another good argument for a quick drain valve though. Slight overfill? Easy to drain a little without a full change.

NoHaveMSG · 09-23-2022, 11:38 AM

Quote:

Originally Posted by Clipdat

Why would you want to intentionally run a quart high?

Oil starvation. I don't do this, I just know of others that swear by it.

Ultramaroon · 09-23-2022, 02:47 PM

Quote:

Originally Posted by x808drifter

Drive like Takumi and that's not a problem.

09-20-2022, 10:57 PM	#16
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,673 Times in 6,781 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	starting to get into a guessing game. i wouldn't worry about it unless it's frothy on the dipstick. __________________ "The time you enjoy wasting is not wasted time"

09-21-2022, 12:16 PM	#20
NARFALICIOUS Senior Member Join Date: Aug 2015 Drives: '88 Supra 1JZ, '16 FR-S, '23 GR86 Location: Johto Region Posts: 597 Thanks: 62 Thanked 360 Times in 206 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Put your dipstick in, pull it out, and wipe it about 50-100 times. __________________ NARFALICIOUS Noob Poster 1988 \| 2016

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