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Old 11-16-2013, 10:26 PM   #4301
Commander Keen
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Quote:
although 0w-30 is nearly a 40wt oil, unlike 5w-30 which breaks down to a 20wt very quickly
What's the reasoning here?

Also, here's a nice weight vs viscosity chart:

http://www.bobistheoilguy.com/bitogw...11/03/visc.jpg
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Old 11-17-2013, 01:17 AM   #4302
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Quote:
Originally Posted by jr0bb5 View Post
Good luck with trying a thicker oil, but if you look back in this thread, you'll see that a handful of us have tried different weight oils with absolutely no improvements.
It's worth a shot, I have to put oil in it anyway....
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Old 11-17-2013, 09:49 AM   #4303
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Quote:
Originally Posted by Commander Keen View Post

What's the reasoning here?

Also, here's a nice weight vs viscosity chart:

http://www.bobistheoilguy.com/bitogw...11/03/visc.jpg
I don't know, I just know it from what I read on bitog, the viscosity of it puts it just shy of a low end 40wt. Both German Castrol and mobil 1 0w-30.
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Old 11-17-2013, 10:18 PM   #4304
FunkMasta
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GC 0-30 is similar to mobil 1 0-40 at some temps...

but 40 is much heavier than i'd like to run
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Old 11-17-2013, 11:38 PM   #4305
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Originally Posted by FunkMasta View Post
GC 0-30 is similar to mobil 1 0-40 at some temps...

but 40 is much heavier than i'd like to run
That was my point, just because it is 0w-30 doesn't make it only a little thicker than our 0w-20. It works great in my Buick which called for 10w-30, it has had a rear main leak since I got it 175k ago, only when driving, never drips on ground, it was starting to loose about 1qt per 2000miles, now it is back up to around 1qt per 4-5k, and it runs a 7-9k interval.
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Old 11-18-2013, 03:39 AM   #4306
FunkMasta
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What I meant is they're relatively close at the 40 degree viscosity test but at 100 degrees there is a bigger difference. (Relative scales...)

I wouldn't feel good doubling the thickness of the oil at operating temps though. Any Xw-40 oil is thicker than any suby motor really needs. If consumption remained high with it there is a serious problem.
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Old 11-21-2013, 08:56 AM   #4307
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Originally Posted by jr0bb5 View Post
Yeah, I pretty much expect to burn some oil with that type of driving, but I still feel that the amount that I'm experiencing is excessive. My last car never consumed nearly as much oil with the same driving and its engine have well over 100k miles on it.
I once delivered pizzas in a jeep cherokee, it never "lost" any oil. I really abused that jeep, too.
I dont think anything the owner does is causing this BS oil loss problem. Its bad rings.
My xv hasnt lost a friggin drop of 0w20 since new.
Odd, as I was told that living here in central florida in the land of mickey mouse was SEVERE by soa, and that driving at sea level with no snow was surely why my oil was burning!
My good friend owns several dominoes stores, and none of their drivers have cars losing oil. He just bought a 13' Sentra and it hasnt lost any oil in a few months now.
My aircooled flat fours in vw's never had oil loss here either. Its normal for a car to lose small amounts from normal use- but you shouldnt even be able to notice these small amounts.
I still cant believe people would wonder why one would not want their car to have crap rings and be burning oil. I wish Jrobb had snapped a pic or two of that blackened mess of an fb20...
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Old 11-21-2013, 10:02 AM   #4308
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Some cars can and will consume oil, that is just a fact. It is acceptable to a certain degree. The last three cars I had all consumed oil. 1994 Prelude VTEC (1 qt per 1500 miles), 2000 Prelude Type SH (1qt per 2000 miles), and 2005 Subaru STi (1 qt per 2000 miles). Not saying it is pleasant to consume, but it is a fact that some cars do and it doesn't mean the car is broken.
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Old 11-21-2013, 10:17 AM   #4309
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Maybe some consumers are broken...
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Old 11-21-2013, 10:57 AM   #4310
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Originally Posted by 79letour View Post
Maybe some consumers are broken...
I would agree with that. Given the TSB I would say that is the case.
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Old 11-21-2013, 11:44 AM   #4311
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Originally Posted by ST Eye View Post
I would agree with that. Given the TSB I would say that is the case.
This.
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Old 11-21-2013, 01:04 PM   #4312
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Anyone content with their new car burning oil when they dont ALL do it is helping the companies to keep putting out spotty products.
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Old 11-22-2013, 12:48 AM   #4313
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Welp, I'm the proud new owner of a '14 Sport Limited. A couple of things:

First, I'm sure it depends on where you are, but it was difficult to actually get one in the trim level I wanted. Apparently, they're rolling out the Crosstreks early and often which are made on the same line as the Imprezas. My dealer had no '14s period, and many of the neighboring dealers were unwilling to part with their stock. However, it looks like there are many in the pipeline that will show up after T-giving.

Second, I mentioned nothing about oil consumption in the purchase process, and as I said a few pages back I've been following this saga, so I'm aware of what has been happening. We get through the paperwork, and the mgr. who was taking care of it said he wanted to talk to me specifically about break-in period. He talked about the oil itself and the need for following the guidelines of the break-in closely. I was told that for the first 1000 miles, watch the RPM but don't baby it... put it under some load. Then, from 1000-3000 miles, drive it a bit harder. He wanted me hitting the 5k-5.5k range on the RPMs... basically to drive it hard without tearing it up.

He called to light that some oil consumption was possible, and with the longer OCI, checking the oil regularly was necessary. He also mentioned the acceptable tolerance of oil consumption by Suabru.

As far as the OCI goes, he said 7500mi is acceptable, but they didn't like what they were seeing from the used oil and suggested 6000mi was better (sidenote: I live in WV and there are hills everywhere.... there is not a flat road anywhere so this may contribute). I totally get that he may be trying to drum up service department business, but when I mentioned I'd be doing my own oil changes, he said he'd still go by a somewhat shorter OCI.

Anyways, I appreciated his transparency. I asked about the ring fix, and he said yes, he heard that there was a change made sometime during the last model year.

Just wanted to share this experience. As of right now, I'd definitely recommend this dealer, Suburban Subaru in St. Albans, WV.
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Old 11-22-2013, 01:45 AM   #4314
FunkMasta
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Quote:
Originally Posted by ST Eye View Post
I would agree with that. Given the TSB I would say that is the case.
Quote:
Originally Posted by john_coctostan View Post

Anyways, I appreciated his transparency. I asked about the ring fix, and he said yes, he heard that there was a change made sometime during the last model year.

Just wanted to share this experience. As of right now, I'd definitely recommend this dealer, Suburban Subaru in St. Albans, WV.
as a technician in the automotive trade, not only can i see the TSB's that get posted here, i have access to databases with TSB's for just about every make.

i have called my dealer to discuss 2 issues that both have TSB's (seat squeak and oil consumption) and both times the service advisor told me he'd never even heard of the problem.

good to hear your dealer is honest and upfront.
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Old 11-22-2013, 07:46 AM   #4315
flyboy1100
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Quote:
Originally Posted by john_coctostan View Post
Welp, I'm the proud new owner of a '14 Sport Limited. A couple of things:

First, I'm sure it depends on where you are, but it was difficult to actually get one in the trim level I wanted. Apparently, they're rolling out the Crosstreks early and often which are made on the same line as the Imprezas. My dealer had no '14s period, and many of the neighboring dealers were unwilling to part with their stock. However, it looks like there are many in the pipeline that will show up after T-giving.

Second, I mentioned nothing about oil consumption in the purchase process, and as I said a few pages back I've been following this saga, so I'm aware of what has been happening. We get through the paperwork, and the mgr. who was taking care of it said he wanted to talk to me specifically about break-in period. He talked about the oil itself and the need for following the guidelines of the break-in closely. I was told that for the first 1000 miles, watch the RPM but don't baby it... put it under some load. Then, from 1000-3000 miles, drive it a bit harder. He wanted me hitting the 5k-5.5k range on the RPMs... basically to drive it hard without tearing it up.

He called to light that some oil consumption was possible, and with the longer OCI, checking the oil regularly was necessary. He also mentioned the acceptable tolerance of oil consumption by Suabru.

As far as the OCI goes, he said 7500mi is acceptable, but they didn't like what they were seeing from the used oil and suggested 6000mi was better (sidenote: I live in WV and there are hills everywhere.... there is not a flat road anywhere so this may contribute). I totally get that he may be trying to drum up service department business, but when I mentioned I'd be doing my own oil changes, he said he'd still go by a somewhat shorter OCI.

Anyways, I appreciated his transparency. I asked about the ring fix, and he said yes, he heard that there was a change made sometime during the last model year.

Just wanted to share this experience. As of right now, I'd definitely recommend this dealer, Suburban Subaru in St. Albans, WV.
What did they use to justify recommending a 6k interval? I'm willing to be it isn't used oil analysis....
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Old 11-22-2013, 08:55 AM   #4316
sgoldste01
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Quote:
Originally Posted by flyboy1100 View Post
What did they use to justify recommending a 6k interval? I'm willing to be it isn't used oil analysis....
We can't answer that question, but regardless, I like the message this dealer is sharing with new Impreza buyers, which is the same message that many of us have advocated: don't baby the car during break in, but also don't beat the snot out of it.
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Old 11-22-2013, 09:15 AM   #4317
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Originally Posted by flyboy1100 View Post
What did they use to justify recommending a 6k interval? I'm willing to be it isn't used oil analysis....
Truth be told, I didn't ask. He did mention that while he believed the oil was still doing its job, the dirt was a factor in this conclusion.
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Old 11-22-2013, 09:25 AM   #4318
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Originally Posted by john_coctostan View Post

Truth be told, I didn't ask. He did mention that while he believed the oil was still doing its job, the dirt was a factor in this conclusion.
Dirty looking oil means absolutely nothing with out the uoa to back up assumptions. There are many uoa's that prove the Subaru as well as other brands ow-20 are more than capable of the 7500 interval. I recommend you get one on your first and second oil change to see what will work best for you, as well as seeing how well your engine is breaking in
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Old 11-22-2013, 09:30 AM   #4319
sgoldste01
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Originally Posted by flyboy1100 View Post
Dirty looking oil means absolutely nothing with out the uoa to back up assumptions. There are many uoa's that prove the Subaru as well as other brands ow-20 are more than capable of the 7500 interval. I recommend you get one on your first and second oil change to see what will work best for you, as well as seeing how well your engine is breaking in
I disagree with this. Every UOA I've seen that early in an engine's life shows high levels of wear metals and silicon, which is normal for a new engine. I'd suggest waiting until the engine has at least 10k miles on it. I do my first UOA when doing my 3rd or 4th oil change.

However, I agree that you can't tell how good an oil is by looking at its color.
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Old 11-22-2013, 11:29 AM   #4320
Commander Keen
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I think your dealer is acting in good faith.

I doubt he has much money to make on reducing the oil change interval by 1500 miles. The manual specifies 3750 or 7500 miles, so taking a middle road isn't unreasonable.

A good break-in is an easy preventive measure. I'm sure he'd rather sell another Subaru to a happy customer than swap an engine for an unhappy one.

After you pass 1K, drive it as hard as you want.
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Old 11-22-2013, 03:42 PM   #4321
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Originally Posted by flyboy1100 View Post
Dirty looking oil means absolutely nothing with out the uoa to back up assumptions.
I understand this. I'll take all the proper steps to make sure I'm at the right OCI. Again, if you've ever been to West Virginia, this is some of the most rugged terrain in the country, and after living here for 7 years, I've got a decent idea of what driving in these hills does to cars. Lots of hard miles here. I do believe that has gone into some of their conclusions about the OCI, but I'll keep an eye on things.
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Old 11-22-2013, 03:48 PM   #4322
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I think your dealer is acting in good faith.
I do as well. They went into unsolicited detail about proper care of the vehicle during break-in and what to expect. That's a first for me. We can debate all day (as this 170+ page thread has already done) whether or not a car should need explanations like that, but I was appreciative of that attention before I drove away.
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Old 11-22-2013, 05:12 PM   #4323
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I'm at my dealership now getting my first oil change since having my new short block / heads installed. I told them that the engine has consumed about a quart and a half in the 3000 miles since getting it back and that the oil was over filled by about a quart last time. They acted all surprised like they didn't believe me so I told them that I wanted a tech to show me the exact oil level before I leave the dealership every time I get and oil change from now on. We'll see what happens in the next 3750 miles before my next scheduled change.
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Old 11-22-2013, 06:48 PM   #4324
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Oh, I also wanted to mention that I thought it curious that the service manager at my dealership told me that all Subaru's no matter what the model, year or type of oil they use (conventional or synthetic), need to have their first oil change @ 3000 miles and second @ 6750 for proper break-in. I told him I didn't see that mentioned anywhere in the owners manual and that it actually says that the 2012+ Impreza doesn't require it's first oil change until 7500 miles. He then proceeded to tell me that I didn't know what I was talking about and in order to keep my powertrain warranty, I needed to follow his instructions. THEN he tells me that I need to have my front and rear diffs and trans oil drained and flushed because I'm over 30000 miles! I told him that I have a 5-speed and that it doesn't have a front diff and the gear oil doesn't need to be replaced yet according to the service manual. He continued to argue with me and told me that I obviously don't car about my vehicle lol. What a D!ck... I'm going to be looking for a new dealership very soon.

Last edited by jr0bb5; 11-23-2013 at 04:59 AM.
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Old 11-22-2013, 08:27 PM   #4325
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5MT does have a front differential. It shares 75w90 with the gearbox.

15K mi replacement of the fluid is recommended by the service manual if towing... which is forbidden by the owner's manual.

Last edited by Commander Keen; 11-24-2013 at 06:21 PM.
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