10w 30 from the dealer - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

acro · 12-29-2014, 07:45 PM

Ok so i carry my FRS to the dealer and i see boxes of 10w 30 motor oil being carried to put in my car. I was told when asked that it is perfectly fine for the car, which surprised me

The car is a DD with occasional track days. I live in the tropics so ambient temps are 75 to 95

What do you guys think is it fine. Should i just wait 5000k till the next service and change to 0w 20.

Ultramaroon · 12-29-2014, 07:55 PM

Tell them it's not in accordance with any of your documentation. Ask for a copy of theirs.

BRZnut · 12-30-2014, 09:46 AM

You know, if you put the wrong oil in on your own and then came to the dealer with a motor issue, they would be quick to blame you for the issue telling you that you were using the wrong oil.

If the receipt shows they used the wrong oil, I would go back with your manual and ask them to change it to the correct viscosity. The 10W-30 may not have even been synthetic! Doubt it would "hurt" the engine, but who knows! Make them do it right!

OkieSnuffBox · 12-30-2014, 10:04 AM

Yep, I'm sure it will ruin it.

That's Ford, for instance, takes the exact same engine in the GT Mustang's and runs it on 5w-20, but in the Track Pack (now Performance Pack) cars they run 5w-50.

In the Subaru manual it even says thicker oil is appropriate for high performance use. Where he lives, he's never going to have to worry about the cold pour point of 10w-30.

acro · 12-31-2014, 02:28 PM

Quote:

Originally Posted by OkieSnuffBox

Yep, I'm sure it will ruin it.

That's Ford, for instance, takes the exact same engine in the GT Mustang's and runs it on 5w-20, but in the Track Pack (now Performance Pack) cars they run 5w-50.

In the Subaru manual it even says thicker oil is appropriate for high performance use. Where he lives, he's never going to have to worry about the cold pour point of 10w-30.

I will assume this is sarcasm?

I spoke to a senior person at the dealership and they will change the oil at no charge

mav1178 · 12-31-2014, 02:52 PM

0W-20 is really only there to improve gas mileage and to work in all climate ranges.

You can run a thicker oil for the correct ambient temperature range with no harm to the engine.

-alex

Amir Ghadiri · 01-03-2015, 01:21 PM

It will run just fine. I'm assuming you're NA but most FI guys are running 5w30 or higher, myself included. If you're not comfortable with it then change it out, but as long as it's synthetic I wouldn't worry about it.

jflogerzi · 01-03-2015, 02:44 PM

Running 5w30 in my NA FRS. I do see a 2-3 MPG hit from 0w20.

acro · 01-04-2015, 01:13 PM

Gonna run the 0 20w. What i have noticed with the 10w 30 is that warmup times are much longer. That is a problem as my daily route is about 10 - 15 min. So the car wont be warm till the end of the journey.

hope to change it by next week

12-29-2014, 07:45 PM	#1
acro Senior Member Join Date: Nov 2011 Drives: GT-86 Location: Northern hemisphere Posts: 360 Thanks: 419 Thanked 102 Times in 69 Posts Mentioned: 0 Post(s) Tagged: 1 Thread(s)	10w 30 from the dealer Ok so i carry my FRS to the dealer and i see boxes of 10w 30 motor oil being carried to put in my car. I was told when asked that it is perfectly fine for the car, which surprised me The car is a DD with occasional track days. I live in the tropics so ambient temps are 75 to 95 What do you guys think is it fine. Should i just wait 5000k till the next service and change to 0w 20.

12-29-2014, 07:55 PM	#2
Ultramaroon not playing cards Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 32,395 Thanks: 53,053 Thanked 37,228 Times in 19,308 Posts Mentioned: 1118 Post(s) Tagged: 9 Thread(s)	Tell them it's not in accordance with any of your documentation. Ask for a copy of theirs. __________________ service manuals

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12-30-2014, 09:46 AM	#3
BRZnut Senior Member Join Date: Oct 2012 Drives: BRZ DGM Limited Location: USA Posts: 1,237 Thanks: 5 Thanked 431 Times in 250 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	You know, if you put the wrong oil in on your own and then came to the dealer with a motor issue, they would be quick to blame you for the issue telling you that you were using the wrong oil. If the receipt shows they used the wrong oil, I would go back with your manual and ask them to change it to the correct viscosity. The 10W-30 may not have even been synthetic! Doubt it would "hurt" the engine, but who knows! Make them do it right!

12-30-2014, 10:04 AM	#4
OkieSnuffBox Senior Member Join Date: Aug 2014 Drives: '23 BRZ Limited Location: OKC, OK Posts: 2,089 Thanks: 683 Thanked 1,337 Times in 761 Posts Mentioned: 9 Post(s) Tagged: 1 Thread(s)	Yep, I'm sure it will ruin it. That's Ford, for instance, takes the exact same engine in the GT Mustang's and runs it on 5w-20, but in the Track Pack (now Performance Pack) cars they run 5w-50. In the Subaru manual it even says thicker oil is appropriate for high performance use. Where he lives, he's never going to have to worry about the cold pour point of 10w-30.

12-31-2014, 02:52 PM	#6
mav1178 Senior Member Join Date: Apr 2013 Drives: 2005 Toyota Camry Location: 91745 Posts: 6,562 Thanks: 493 Thanked 6,099 Times in 3,030 Posts Mentioned: 95 Post(s) Tagged: 3 Thread(s)	0W-20 is really only there to improve gas mileage and to work in all climate ranges. You can run a thicker oil for the correct ambient temperature range with no harm to the engine. -alex

01-04-2015, 01:13 PM	#9
acro Senior Member Join Date: Nov 2011 Drives: GT-86 Location: Northern hemisphere Posts: 360 Thanks: 419 Thanked 102 Times in 69 Posts Mentioned: 0 Post(s) Tagged: 1 Thread(s)	Gonna run the 0 20w. What i have noticed with the 10w 30 is that warmup times are much longer. That is a problem as my daily route is about 10 - 15 min. So the car wont be warm till the end of the journey. hope to change it by next week

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