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Old 06-05-2011, 06:18 PM   #76
Snowphun
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Quote:
Originally Posted by jonklein611 View Post
I'm just quoting what Subaru considers extreme driving. If it's not on the list, it's not on the list.
So stop and go driving isn't considered severe driving by Subaru. Maybe you should stop telling people it is.
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Old 06-05-2011, 08:50 PM   #77
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Quote:
Originally Posted by Snowphun View Post
So stop and go driving isn't considered severe driving by Subaru. Maybe you should stop telling people it is.
Where did I say that or did you mean this fella?

Quote:
Originally Posted by Gallo2011 View Post
Got the same letter today. First oil change at 3750 or 3 and 3/4 months if you drive in *extreme conditions*

Stop and go traffic on a daily basis constitutes extreme conditions so I'm going with the 3and 3/4 month guideline for mine. Only have 2400 miles but I'm itching to get the factory fill out for some Rotella 5w40.
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Old 06-06-2011, 09:30 AM   #78
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Originally Posted by jonklein611 View Post
Where did I say that or did you mean this fella?
You, post #32.
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Old 06-06-2011, 09:39 AM   #79
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Post 32:

Quote:
Originally Posted by jonklein611 View Post
It's not what people assume. It's what Subaru tells you is considered extreme driving.

**Examples of Severe Driving Conditions:
a. Repeated short distance driving.
b. [not for oil changes]
c. Driving in dusty conditions.
d. Driving in extremely cold weather.
e. [not for oil changes]
f. [not for oil changes]
g. Towing a trailer.
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Originally Posted by Snowphun View Post
You, post #32.
Where's it say stop n go traffic???

I quoted post 30, which was asking the original question.
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Old 06-06-2011, 11:18 AM   #80
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While we are on the question, how many miles is considered a "short distance"?
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Old 06-06-2011, 11:21 AM   #81
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<25 miles?

Hell if I know. To me, anything that's "short" is something that doesn't warm my engine up all the way to its usual spot.
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Old 06-06-2011, 08:39 PM   #82
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Originally Posted by nti_hazard88 View Post
<25 miles?

Hell if I know. To me, anything that's "short" is something that doesn't warm my engine up all the way to its usual spot.
The owners manual just kinda leaves it hanging without any specific distance.

From what I understand, the reason for the short distance driving requiring shorter oil change intervals is because the oil never gets hot enough to boil off water and/or fuel contamination. So I'd imagine the oil needs to get to operating temp and stay there for a certain amount of time for that to happen.

I'm just wondering because I have an 18mi commute to work, almost all open highway and negligible traffic. Lucky me for the nice commute, but I wonder if this is bad for the car.
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Old 06-06-2011, 09:14 PM   #83
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lol at the 3750 miles oil change on synthetic... you guys know what year it is? Might as well do regular for that mileage/time-frame...


The ignorance on this forum is beyond my imagination...
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Old 06-06-2011, 09:19 PM   #84
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Quote:
Originally Posted by G_REX
lol at the 3750 miles oil change on synthetic... you guys know what year it is? Might as well do regular for that mileage/time-frame...

The ignorance on this forum is beyond my imagination...
Heat breaks down motor oil over time. A turbocharged engine breaks it down even faster. Do not compare these cars to camry
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Old 06-07-2011, 01:40 AM   #85
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so Subaru recommended 3500 with regular and you followed that religiously and now is 3500 with synthetic too? Snap...just use regular.
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Old 06-07-2011, 01:49 AM   #86
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Quote:
Originally Posted by G_REX View Post
lol at the 3750 miles oil change on synthetic... you guys know what year it is? Might as well do regular for that mileage/time-frame...


The ignorance on this forum is beyond my imagination...
exactly.

*unsubscribed*
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Old 06-07-2011, 08:03 AM   #87
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Quote:
Originally Posted by dmk0210 View Post
The owners manual just kinda leaves it hanging without any specific distance.

From what I understand, the reason for the short distance driving requiring shorter oil change intervals is because the oil never gets hot enough to boil off water and/or fuel contamination. So I'd imagine the oil needs to get to operating temp and stay there for a certain amount of time for that to happen.

I'm just wondering because I have an 18mi commute to work, almost all open highway and negligible traffic. Lucky me for the nice commute, but I wonder if this is bad for the car.

Yeah, I treat it the same way. I wouldn't think 18 miles is short, merely to the fact that more than likely, your engine (according to the stupid little temp needle in the dash) is probably up to sitting at its usual spot by then.

Realistically, anything over 5 miles will do that, which, (feel free to correct me, anyone), leads me to assume that the oil is 'at optimum temperature'.

If you don't get what I mean, next time, take a long drive, see where the temp needle sits, and that's where you want the needle to reach to be considered "not short". How scientific is this method? Not really, but I'm just expressing what I think should define "short trip" - a trip where the temperature doesn't get as high as it does on a "long trip" (racing/other extreme conditions aside).
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Old 06-07-2011, 10:48 AM   #88
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I don't trust 7500 quite enough. 4000 I may be willing to go, I don't drive too aggressively, but when I do get spirited, I want to breath easy.
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Old 06-07-2011, 01:07 PM   #89
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Originally Posted by dakrat View Post
Heat breaks down motor oil over time. A turbocharged engine breaks it down even faster. Do not compare these cars to camry
Yeah, and they're not race cars either. 7k+ miles is nothing for a performance car these days so long as it's running synthetic. If you're changing every 3k miles, while it may be some mis-placed piece of mind, you're really just pouring money down the drain.

Hell, my car has a 10k mile oil change interval.
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Old 06-07-2011, 06:34 PM   #90
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^^^^ My BMW had 15k mile intervals (I did however changed it at 7500 - 10000)
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Old 06-28-2011, 05:05 PM   #91
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Got my UOA from Blackstone back:



Car had around 16k when I pulled the oil, which ran for just under 6k miles. It was Amsoil 5w30 full syn. My first oil change was at 3700 with Amsoil 5w30, which I ran until ~10k miles. This is with 2 autox sessions, going back & forth to Tahoe for snowboarding, and highway commuting.

I've changed to Motul 5w30 since I moved, and I'm no longer close to the place with Amsoil. Going to do another UOA or two with the Motul to make sure it holds up, or I'll go back to the Amsoil.
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Old 06-28-2011, 05:12 PM   #92
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if you can't afford to change your oil every 3,000 miles....don't buy a wrx or sti.

period, end of story. i don't care what the owner's manual says.
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Old 06-28-2011, 05:40 PM   #93
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Quote:
Originally Posted by Cartmans 03_Wagon View Post
if you can't afford to change your oil every 3,000 miles....don't buy a wrx or sti.

period, end of story. i don't care what the owner's manual says.
Who said I couldn't afford to change my oil every 3k? I'm just not stupid enough to follow the "3k oil changes or your car will explode" theory.
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Old 06-28-2011, 07:40 PM   #94
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Rotella T6 and I do 5,000 mile OCIs. Car hasn't complained.
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Old 06-28-2011, 07:43 PM   #95
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I feel sorry for SOA. I really do. Especially when their customer base has the IQ of a poptart.
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Old 06-28-2011, 08:28 PM   #96
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Originally Posted by i_c_the_light View Post
I feel sorry for SOA. I really do. Especially when their customer base has the IQ of a poptart.
SCIC
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Old 06-28-2011, 09:03 PM   #97
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I'm inclined to believe Subaru will not intentionally destroy your engine...especially when they would have to pay for the repair.

It strips business away from Subaru when they tell you to bring your car in less frequently for work. Think about it...
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Old 06-28-2011, 09:56 PM   #98
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SCIC
Shush.
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Old 06-28-2011, 11:24 PM   #99
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Quote:
Originally Posted by Decipher View Post
I'm inclined to believe Subaru will not intentionally destroy your engine...especially when they would have to pay for the repair.

It strips business away from Subaru when they tell you to bring your car in less frequently for work. Think about it...
i'm not saying it will break, but if it does, it will be after warranty.

tell people to change oil 7500

problem happens after warranty is over

charge 7k for a rebuild

real life trollin' son, you just got had.

see: every part ever put on audi, they know that ****'s going to fail.

Quote:
Originally Posted by mikerulzu View Post
Who said I couldn't afford to change my oil every 3k? I'm just not stupid enough to follow the "3k oil changes or your car will explode" theory.
how about the "your car will be a whole hell of a lot happier if you just change it every 3k theory."

i would wager a large bet that 3/4 of people on this site (probably more) fall into the severe category...
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Old 06-29-2011, 09:24 AM   #100
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I'm beginning to enjoy this debate. It seems the division is clear enough that nobody will convince the other side otherwise. Most of us are all too arrogant to admit it could go one way or another.

The only way to really prove it is for someone who does the 3k oil changes to man up (just once) and try doing a UoA at 3000, change their oil... get a UoA at 4000, AND, if it's ok... repeat and do 5000... etc until 7500. Then, when the results come back, it'll be either/or.

I would like to believe VERY much that I know better than Subaru engineers, but I don't. But to me it's very common-sense that previously, oil changes were 3750 (with dino oil), and now, synthetics, which last-longer-period-end-of-fricking-story, should be allowed to run at LEAST longer than 3750 (let alone 3000). How far? Who knows, but Subaru says 7500, and unless someone can show me an actual instance of something breaking because of oil being changed at 7500, I'm sticking with it.

ALSO: I HIGHLY... HIGHLY doubt most people fall into the "severe" category. Sure, we might not fall into "optimum" category (so maybe a compromise - oil change at 5000-6000?), but there is no way that we're running the engine beyond standard parameters most of the time. Except for true track-only cars or something, at which point my speculation (yes, we're all just SPECULATING, I just happen to admit it) reaches its end.
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