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Old 06-23-10, 09:26 AM   #11
TougeMonster
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Default Re: still knocking after e-tune

Quote:
Originally Posted by erikm View Post
I wouldn't say that consuming close to a quart of oil floats my boat.. it's still not right.

That being said, how many miles are on the 08 STi's that you've worked on? My car ran 68,000 km with the stock tune

In the back of my mind I am SURE I have a cracked piston.. but I can't prove it. I have no smoking from oil filler/exhaust, literally zero oil in intercooler, piping and intake and the car pulls hard.

I do have an extended warranty until 110,000km
08+ STis I've worked on range from 5- 60k miles interestingly enough the one with 60k is running catless TBE + CAI on a stock tune and has had it for about 35k miles (pretty crazy but he keeps telling me he wants to know how long it will last, been driving it hard since day 1 too). I DO NOT RECOMMEND THIS... he is some kind of freak outlier.
The oil analysis will tell you if you are ok or not.
Also FYI SOA specs that their vehicles are allowed to burn 1 qt per 1k miles before they do anything about it as long as the car is running in a safe and proper manner. I speculate this is where alot of the Subarus drinking oil is normal statements originated from. It does not say that there is nothing wrong, only that 1 qt loss in 1k miles is acceptable until action should be taken. What about the people who don't monitor oil consumption and blow the motor? They get blamed for not checking in this case.
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Old 06-23-10, 09:27 AM   #12
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Default Re: still knocking after e-tune

Compression / leakdown test results from April

Cyl 1 - 147psi 10%
Cyl 2 - 145psi 8%
Cyl 3 - 150psi 8%
Cyl 4 - 142psi 12%
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Old 06-23-10, 09:29 AM   #13
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Default Re: still knocking after e-tune

Yeah and 1 quart in 1k miles is consuming A LOT of oil. In my case, I'm not even close to that. So when I mentioned oil consumption the dealer said it's normal for these cars to burn/consume oil.

One thing for sure, it's not consuming oil because of blow by. My intercooler is very clean.


Quote:
Originally Posted by TougeMonster View Post
08+ STis I've worked on range from 5- 60k miles interestingly enough the one with 60k is running catless TBE + CAI on a stock tune and has had it for about 35k miles (pretty crazy but he keeps telling me he wants to know how long it will last, been driving it hard since day 1 too). I DO NOT RECOMMEND THIS... he is some kind of freak outlier.
The oil analysis will tell you if you are ok or not.
Also FYI SOA specs that their vehicles are allowed to burn 1 qt per 1k miles before they do anything about it as long as the car is running in a safe and proper manner. I speculate this is where alot of the Subarus drinking oil is normal statements originated from. It does not say that there is nothing wrong, only that 1 qt loss in 1k miles is acceptable until action should be taken. What about the people who don't monitor oil consumption and blow the motor? They get blamed for not checking in this case.
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Old 06-23-10, 09:34 AM   #14
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Default Re: still knocking after e-tune


Rick Rhoades
Rick Rhoades joined Subaru of America in 1989 and is currently the Technical Training Instructor for the Pennsylvania/New Jersey region. Over the years he has held various positions within Subaru including Financial Claims Specialist, Technical Service Helpline Specialist, and Field Service Operations Manager.
Rick also teaches part time for the Philadelphia Community College - licensing technicians for Pennsylvania Safety and Emissions Programs.
His interests include family, golf, & South Jersey shore vacations.
Pete Eike
Pete Eike joined Subaru of America in 1982 and is currently the National Fixed Operations Training Manager. Over the years he has held various positions within Subaru including National Customer Relations Training Instructor and Manager, and National Service Training Instructor and Manager.
He has conducted over 500 Subaru training classes all over the United States, focusing on the traditional in-class-training environment designed to educate professional service and parts management.
Pete's interests include family and his collectible car.




<kens>: Hi Pete & Rick -- Two oil related questions: 1) What's Subaru's stance on synthetic oil on the Phase I engine? Is it better than conventional oil? 2) What is considered normal oil consumption? I typically loose about 1 quart every 3000 miles or so. No signs of leaks or blue exhaust smoke. Is this something to worry about?

<rick_subaru>: On the synthetic oil... if you start with synthetic, stick with it. For the oil consumption, 1 quart per 1000 miles is actually acceptable.



<jmackuliak 4>: Yes. I was told that all seals were not approved for synthetic oil and I may encounter leaks at my own risk.
<pete_subaru>: If you start out with a synthetic, keep using a synthetic... if you start out with a regular oil, and switch, yes you could encounter leaks.


<michael_desu>: Is that 15W-50W engine oil better for high speed driving? Since I think the engine is going to be very hot...
<rick_subaru>: 15W-50W is usually better for hotter conditions. We don't recommend using it because it has an adverse affect on fuel mileage and emissions. It's not a bad oil to use for your circumstance.


<got_wrx>: I am using Mobil1 10-30W synthetic. I heard this brand/grade could ruin the WRX's engine. Is that true?
<rick_subaru>: No, it should not have any adverse affect on the engine, provided you're putting more than one quart in! LOL





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Old 06-23-10, 11:36 AM   #15
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Default Re: still knocking after e-tune

Losing a quart of oil every 3k-3.5k miles isn't great and isn't 100% normal, but it is pretty common on these engines. My 2005 LGT used a quart every 3k-5k miles from the 17k miles that I bought it with to the over 90k miles I sold it with. I tried many different brands and weights of synthetic oil, and it consumed them all. (It consumed M1 5W30 quicker than anything - keep that crap out of these engines! M1 10W40 and 0W40 were fine however.) My experience was not at all unusual among the legacygt.com crowd.

Was something wrong with my LGT? Almost certainly, since not all of these engines consume that much. But the consumption was consistent for all those miles, and it made good power after going stage 2 with a protune - a bit more than average even.

My 2010 STI barely consumes a drop, but then again it's a bit down on power compared to most.

While the LGT was stock and still under warranty I asked a dealer to look into the oil consumption. But as you've discovered SOA's policy is that any consumption under a quart every 1k miles is okay, so they couldn't do anything.
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Old 06-23-10, 03:03 PM   #16
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Default Re: still knocking after e-tune

Log 1 is my drive to work. City driving, only the odd -1.4 FBKC.

Log 2 is my drive home. Highway driving. 5th gear only 23% throttle where the big knock happens.

http://spreadsheets.google.com/ccc?k...CN3Hr74H#gid=0

http://spreadsheets.google.com/ccc?k...=CN_6rz8#gid=0
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Old 07-16-19, 05:04 AM   #17
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Default Re: still knocking after e-tune

my stock engine drank mobile1. try motul.
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Old 07-16-19, 07:34 AM   #18
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Default Re: still knocking after e-tune

9 year bump?
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Old 07-16-19, 08:16 AM   #19
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Default Re: still knocking after e-tune

Quote:
Originally Posted by erikm View Post
I wouldn't say that consuming close to a quart of oil floats my boat.. it's still not right.

That being said, how many miles are on the 08 STi's that you've worked on? My car ran 68,000 km with the stock tune
Still a newish engine as far as I'm concerned
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Old 07-16-19, 08:21 AM   #20
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Default Re: still knocking after e-tune

I was the last page Neanderthal loaded from this site

Livin up to his alias
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