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View Poll Results: Your break-in style and oil consumption (OC)
Easy - Little to no OC 5 4.90%
Easy - Unusual OC 3 2.94%
Recommended - Little to no OC 64 62.75%
Recommended - Unusual 15 14.71%
Hard - Little to no OC 14 13.73%
Hard - Unusual OC 1 0.98%
Voters: 102. You may not vote on this poll

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Old 11-16-2012, 09:04 PM   #201
flyboy1100
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Quote:
Originally Posted by Chris793
I just picked up my new 13 impreza sport yesterday. Looked at the dipstick when the car was cold and it looked like the oil level was about 1/8th above the lower dot, or minimum line. The car has 150 miles on it, did it come under filled from the factory?
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Old 11-16-2012, 10:08 PM   #202
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Quote:
Originally Posted by Chris793 View Post
I just picked up my new 13 impreza sport yesterday. Looked at the dipstick when the car was cold and it looked like the oil level was about 1/8th above the lower dot, or minimum line. The car has 150 miles on it, did it come under filled from the factory?
I'm guessing so. Your dealership should have topped off the level as part of their prep job before turning the car over to you. You can bring it to them to do that, plus anything else they forgot. How's the tire pressure? Coolant level? Windshield washer level? Brake fluid level? Etc.?

Or you can buy the proper oil and do it yourself. But I'd still check the car out with a fine-tooth comb.
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Old 11-16-2012, 11:34 PM   #203
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Wow, that would be a quart burned if it came full. Get it all documented asap.
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Old 11-17-2012, 06:19 PM   #204
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So I might have fugged up. When I first took this measurement that read 1/8th above the minimum line, the car had been sitting for hours outside and I let it run for maybe a minute to move over into a level parking lot. I checked right after I shut the car off when it was cold.

Went out for a drive later that night, about 20 minutes, stopped again and let the car sit for maybe 5 min and measured again. This time it read just above the full line. I am thinking that the first measurement was low because car just stopped running and was cold.
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Old 11-17-2012, 06:59 PM   #205
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I'd be more tempted to blame that you took the first reading when the car wasn't parked on level ground.
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Old 11-17-2012, 10:37 PM   #206
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Yeah, I have probably checked the dipstick of my 2012 impreza more times than anyone. I agree- it was probably the unlevel surface that caused the false low reading. With 0w20, there's no way you'd have that amount of variance just from hot to cold.
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Old 11-18-2012, 10:54 AM   #207
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Everytime I use Mobil1 in any car, the car burns oil. I switched to Castrol and Amsoil, no more issues!
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Old 11-18-2012, 12:31 PM   #208
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^^ Which Amsoil do you use? I'm using OE 0W-20, and haven't had any issues. I'm on a 5k mile oil change interval right now.
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Old 11-18-2012, 01:33 PM   #209
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Quote:
Originally Posted by sgoldste01 View Post
^^ Which Amsoil do you use? I'm using OE 0W-20, and haven't had any issues. I'm on a 5k mile oil change interval right now.
really really liking the Signature 0w-20, much better than the XL. after 2200 miles no noticable loss, might be 2-3oz, but that is to be expected
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Old 11-18-2012, 05:29 PM   #210
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I've had no noticeable loss with the (much less expensive) Amsoil OE. What's your oil change interval? Unless it's quite a lot longer than mine (5k), it might be worth "downgrading" to the OE oil.
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Old 11-18-2012, 06:37 PM   #211
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Quote:
Originally Posted by sgoldste01
I've had no noticeable loss with the (much less expensive) Amsoil OE. What's your oil change interval? Unless it's quite a lot longer than mine (5k), it might be worth "downgrading" to the OE oil.
Not sure yet, going to get a UOA don't in another 4k miles and figure out from there.

On paper xl and oe are very very similar. I might try oe next change, will depend on the UOA
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Old 12-21-2012, 09:31 PM   #212
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I want to see if the dealer is going to address my oil consumption issue before I make a official complaint with SOA
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Old 12-22-2012, 08:41 AM   #213
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Almost 17% of those who can vote in the survey have excessive oil consumption. Too bad "newbies" can't vote.
But they can post in the oil light thread to build up their post count
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Old 12-22-2012, 10:48 AM   #214
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so I should have driven my car like a maniac according to this poll!
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Old 12-22-2012, 10:54 AM   #215
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so I should have driven my car like a maniac according to this poll!
No, not like a maniac. Driving the car like a maniac would mean to redline the engine during the break-in process.

I don't advocate that. What I do advocate is to frequently bring the car up to 4k RPM during the break-in process, not at full throttle but rather at 80% throttle. This should be done after the car is up to full temperature. This should be done in 1st, 2nd, and 3rd gears (for those of you with manual trannies). You can't reach 4k RPM in 4th gear without breaking the law.

This driving will decrease your average MPGs during the break-in process. Do it anyway. It will make your car healthier for the rest of its life. You can start increasing your average MPGs after you hit 1k miles.

I'm now at 8500 miles and my car does not burn any oil. I don't know that my car doesn't burn oil because I broke it in like this, but it certainly didn't hurt.
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Old 12-22-2012, 11:01 AM   #216
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Quote:
Originally Posted by 79letour View Post
Almost 17% of those who can vote in the survey have excessive oil consumption. Too bad "newbies" can't vote.
But they can post in the oil light thread to build up their post count
this is a very small sample size, so don't think the 17% is suddenly representative of much.

If less than 1% consume oil, you should expect around one new case per month of sales.
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Old 12-23-2012, 09:50 AM   #217
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Zeeper do you work for subaru at any level?
Where do you get these numbers, otherwise? All I said was that almost 17% of those surveyed who had enough post count to vote had indicated consumption.
I had to post a lot till I could vote, so there are certainly more cases.
I don't claim that 17% of them burn oil. But its possible.
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Old 12-23-2012, 10:09 AM   #218
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Don't work for subaru, and have already shown where I am getting my numbers from. Sales figures are over 60,000, and reports even on your forum number about 20 unique drivers.

Sure there are others out there, but estimating 17% based upon this poll is ridiculous.
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Old 12-23-2012, 10:14 AM   #219
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I've read through some of this, but there are so many variables it would still be hard to nail down. Simply stated, the general rule to proper (recomended) break in is to vary engine speed and load. Don't over rev the engine. Using cruise or not and AC is simply BS. IF your driving includes hilly roads, CC will still vary engine speed and to a degree engine load. (Engine load more so on a stick.) That is the actual idea. Not only getting mating parts to wear in, but heat and cold cycles to "season" the metal. If you're varying the load and varying the engine rpm's, them you're probably doing what you're supposed to, regardless of weather or not you're using cruise or ac.

I have also heard over the years that some people recomend "driving it like you stole it" to break in an engine. I personally don't agree with that and prefer to keep with what the manufacturer suggests.

So, I varied load and engine speed, but used CC and AC when I wanted to.

John
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Old 12-23-2012, 11:21 AM   #220
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Well 17% of an online community of "enthusaiasts" has voted that they have excessive oil consumption.
The 17% is as mentioned, from a small sample. But at least its a real number provided by people using a survey. Not some percentage someone just pulled out of his head to feed his ego.
You used to constantly refer to this poll in the oil light thread, but not letting new members/owners vote and the rising percentage as time goes on are probably why you don't refer to it for your "data" any more.
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Old 12-23-2012, 11:31 AM   #221
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12 out of 62 is a pretty good amount, now its over 18%.
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Old 12-23-2012, 11:39 AM   #222
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Quote:
Originally Posted by 79letour View Post
12 out of 62 is a pretty good amount, now its over 18%.
There are over 60,000 on the road, and more if you count Canada, and there are Canadians on the forum.

When I say the sample size is insignificant, it is because 62 drivers out of 70,000 (I have no idea how many have been sold and are on the road in Canada, so this extra 10,000 is an estimate, and probably underestimates the number sold there) is not a representative sample.

How non-representative? It represents votes from less than .09% of the redesigned Impreza owners.

I'm not sure where I ever used this poll as evidence, other than saying there do not appear to be many unique individuals experiencing the problem -- I say unique individuals instead of posts because the majority of the posts about oil consumption are from the same 3-5 NASIOC members.

It isn't ego, it is math.

I am not denying that some cars are consuming oil, or that it is a problem. But you using this sample size to praise your analytical skills and stating that up to 17% of cars are affected is ignorant (of statistics and math), and really makes you look desperate for any evidence that fits your case, rather than someone who can look at objectively.

Last edited by Zeeper; 12-23-2012 at 11:50 AM.
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Old 12-23-2012, 12:06 PM   #223
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Well I think the same of your analysis zeep. I'm not desperate to do anything. I just remember a time when you kept referring to this poll, and it's "few" cases.

Glory, glory, glory, amen
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Old 12-23-2012, 12:53 PM   #224
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Yes, whenever I refer to the poll I note there are a few cases.

I put off posting on this thread because, what's the point. This poll is not very statistically significant.

It is also probably biased, in that a higher percent of people with the issue may choose to participate -- it would be like going to the mall and asking people if they are buying gifts for others for Christmas.

It's no big deal, I thought the idea was to try to tell if break-in affected oil consumption. Either way, it is fine the poll is here, just don't go nuts analyzing such a small sample size and pretending it is proof of a pre-existing opinion of yours.
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Old 12-24-2012, 06:31 AM   #225
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Quote:
Originally Posted by Zeeper View Post
It is also probably biased, in that a higher percent of people with the issue may choose to participate -- it would be like going to the mall and asking people if they are buying gifts for others for Christmas.
no probably about it. absolutely biased. self-reporting is not good for statistical analysis.
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