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Old 10-31-2013, 08:20 PM   #51
SlimJim8804
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Still curious.
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Old 10-31-2013, 08:55 PM   #52
424wrx
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Quote:
Originally Posted by SlimJim8804 View Post
Interval?
i just turned 61k. 3500k between changes. just went to the track and ran a personal best of 12.6@108. i know shes running pretty strong! still no oil consumption to report.
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Old 11-01-2013, 04:35 PM   #53
Sewbie Newbie 06
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06 Wrx tr
82k miles
OCI 3k-3500 miles
Invidia tbe, vf39, sti tmic, Grimmspeed ebcs, protuned
Mobil 1 extended performance or Royal Purple synthetic both 5w-30
Driving habits are fairly conservative (most of the time) with wot runs maybe once a day sometimes more sometimes less.
Car uses no measurable amount of oil between oil changes and runs great.
If there is a better oil product to use please share about it and why it is superior.
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Old 11-01-2013, 04:47 PM   #54
Asharus
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a lot of folks use rotella t6 since it's cheap from walmart, and has excellent oil analysis results
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Old 11-01-2013, 05:15 PM   #55
07wrxstage2
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- 2006 sti
- every 2,500-3,000 miles
- 52,320 miles
- full invidia tbe w/cobb ots stage 2-93 octane
- shell v-power only
- occasional wot but usually very moderate
- about 1/4 of a quart
- Mobil 1 synthetic 5w-30 with mobil 1 oil filter



- 2000 impreza rs
- every 2,500 to 3,000 miles
- 147,879 miles
- stock
- any brand regular gas
- super slow and boring
- less than 1 quart (minor hg leak)
- mobil 1 synthetic 5w-30 with oem subaru oil filter

Last edited by 07wrxstage2; 11-01-2013 at 11:49 PM.
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Old 11-01-2013, 07:59 PM   #56
Scoobiesdoobies
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- 2006 wrx
- 90,000
- 7,000-8,000
- royal purple 5w30, oem subaru filter
- engine stock
- 120 mile commute 5 days a week on crappy bay area freeways
- 1 QT low after 8k last change
- going to be keeping the royal purple through winter then when spring and summer rolls around going to switch to rotella 5w40.

I went 8k of hard driving on oem 5w30 and it burned so bad i was 2quarts low.
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Old 11-01-2013, 10:45 PM   #57
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Quote:
Originally Posted by Scoobiesdoobies View Post
- 2006 wrx - 90,000 - 7,000-8,000 - royal purple 5w30, oem subaru filter - engine stock - 120 mile commute 5 days a week on crappy bay area freeways - 1 QT low after 8k last change - going to be keeping the royal purple through winter then when spring and summer rolls around going to switch to rotella 5w40. I went 8k of hard driving on oem 5w30 and it burned so bad i was 2quarts low.
I wouldn't be concerned using two quarts in ~8k miles. Especially with a good bit of hard driving.
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Old 11-01-2013, 10:46 PM   #58
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Quote:
Originally Posted by 07wrxstage2 View Post
- 2006 sti - every 2,500-3,000 miles - 52,320 miles - full invidia tbe w/cobb ots stage 2-93 octane - shell v-power only - occasional wot but usually very moderate - about 1/4 of a quart - Mobil 1 synthetic - 2000 impreza rs - every 2,500 to 3,000 miles - 147,879 miles - stock - any brand regular gas - super slow and boring - less than 1 quart (minor hg leak) - mobil 1 synthetic
What grade?
5-30, 0-40, other?
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Old 11-01-2013, 11:44 PM   #59
07wrxstage2
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Quote:
Originally Posted by SlimJim8804 View Post
What grade?
5-30, 0-40, other?

5w-30...sorry I must of accidentally deleted it during my editing.
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Old 11-04-2013, 09:48 PM   #60
Scoobiesdoobies
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Quote:
Originally Posted by SlimJim8804 View Post

I wouldn't be concerned using two quarts in ~8k miles. Especially with a good bit of hard driving.
Well i might have burned more then, as it didnt even register on the dip subaru told me.
I usually go for 7k oci, rp530 is $45 for 5 qts and $7 for an oem filter.
Then again i have to trust what the dealer says when i dont have my oil ramps. Im at 5500miles and im still halfway between full and low.
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Old 11-04-2013, 10:12 PM   #61
the suicidal eggroll
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Quote:
Originally Posted by SlimJim8804 View Post
I wouldn't be concerned using two quarts in ~8k miles. Especially with a good bit of hard driving.
Without an AOS and with RP 5w30 I think that's perfectly normal.

Scoobiesdoobies - If you want to reduce this, then get rid of that oil to reduce breakdown and blowby and get an AOS to catch the blowby and recirculate it back to your crankcase.

With those two changes, I bet your consumption drops to approximately zero.
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Old 11-05-2013, 01:47 AM   #62
Scoobiesdoobies
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Quote:
Originally Posted by the suicidal eggroll View Post

Without an AOS and with RP 5w30 I think that's perfectly normal.

Scoobiesdoobies - If you want to reduce this, then get rid of that oil to reduce breakdown and blowby and get an AOS to catch the blowby and recirculate it back to your crankcase.

With those two changes, I bet your consumption drops to approximately zero.
Good idea. Blowby isnt much of a problem with the RP as the same weight in oem oil for some reason.

I cleaned all the blow by off the engine and turbo when i switched oils and havent seen it back in over a year.

Ill closely monitor my oil now so i can get some more accurate numbers. I never had any major problems with any engine oil in any car ive ever owned so i rarely check it until its time to change. My subaru has been great.
The only oil problems i had were right when i bought it and they had to replace the solenoids that feed oil into the turbo cause the strainers were clogged and throwing cam shaft sensor codes due to oooooooold oil. All warrenty work but a big pain in the ass. Santa cruz subaru had my car for the first three weeks of my ownership.
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Old 11-05-2013, 08:01 AM   #63
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Quote:
Originally Posted by Scoobiesdoobies View Post
Good idea. Blowby isnt much of a problem with the RP as the same weight in oem oil for some reason.

I cleaned all the blow by off the engine and turbo when i switched oils and havent seen it back in over a year.

Ill closely monitor my oil now so i can get some more accurate numbers. I never had any major problems with any engine oil in any car ive ever owned so i rarely check it until its time to change. My subaru has been great.
The only oil problems i had were right when i bought it and they had to replace the solenoids that feed oil into the turbo cause the strainers were clogged and throwing cam shaft sensor codes due to oooooooold oil. All warrenty work but a big pain in the ass. Santa cruz subaru had my car for the first three weeks of my ownership.
I would highly recommend switching to an RP 40 grade or the HPS line if you wa t to run RP. You will not find many (if any) recent uoa's on the oil because it shears like mad (even though it's been reformulated since the early uoa's).

For all intents and purposes, the operating viscosity of that oil in your engine is likely a 20 grade. From RP:

INCREASED FUEL EFFICIENCY
A low coefficient of friction results in optimized fuel efficiency (the fuel economy of our 5W-30 meets the fuel economy requirements of a 5W-20 oil).

For those seeking enhanced performance in vehicles not under warranty, we recommend our HPS Series of high performance street motor oils with our proprietary Synerlec additive technology.

-Dennis
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Old 11-05-2013, 09:32 AM   #64
point78
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2008 wrx
About 40k miles
16g xtr
Rotella t6 5w40, rx8 oil filter
I don't abuse the engine, but its under boost a lot and run hard for short bursts, up mountain passes.
E85 uses 1qt per 3500miles.
Pump 91, 1/4 qt per 5000miles
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Old 11-05-2013, 10:27 AM   #65
Never Summer
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Quote:
Originally Posted by point78 View Post
2008 wrx
About 40k miles
16g xtr
Rotella t6 5w40, rx8 oil filter
I don't abuse the engine, but its under boost a lot and run hard for short bursts, up mountain passes.
E85 uses 1qt per 3500miles.
Pump 91, 1/4 qt per 5000miles
You should changing your oil between 2500-3000 when running e85.
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Old 11-05-2013, 11:36 AM   #66
Scoobiesdoobies
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Quote:
Originally Posted by bluesubie View Post
I would highly recommend switching to an RP 40 grade or the HPS line if you wa t to run RP. You will not find many (if any) recent uoa's on the oil because it shears like mad (even though it's been reformulated since the early uoa's).

For all intents and purposes, the operating viscosity of that oil in your engine is likely a 20 grade. From RP:

INCREASED FUEL EFFICIENCY
A low coefficient of friction results in optimized fuel efficiency (the fuel economy of our 5W-30 meets the fuel economy requirements of a 5W-20 oil).

For those seeking enhanced performance in vehicles not under warranty, we recommend our HPS Series of high performance street motor oils with our proprietary Synerlec additive technology.

-Dennis
Right on. Since im not sure about switching to the 5w40 just yet, ill look for the hps in 5w30. But i have no problems with the 5w30 yet and im pretty sure my local aps only carrys rp530, id have to special order. Even autozone only has rotella t6 10w40.
As far as fuel consumption is concerned, mine sucks. If rp530 gets you better milage, its not in a wrx. As far as sheering the stuff is like water already. I had a 5w10 in my f250 v10 and lemme tell you, it felt like i was filling a radiator with water.
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Old 11-05-2013, 12:15 PM   #67
Never Summer
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Quote:
Originally Posted by Scoobiesdoobies View Post

Right on. Since im not sure about switching to the 5w40 just yet, ill look for the hps in 5w30. But i have no problems with the 5w30 yet and im pretty sure my local aps only carrys rp530, id have to special order. Even autozone only has rotella t6 10w40.
As far as fuel consumption is concerned, mine sucks. If rp530 gets you better milage, its not in a wrx. As far as sheering the stuff is like water already. I had a 5w10 in my f250 v10 and lemme tell you, it felt like i was filling a radiator with water.
5w-40 rotella=one happy motor
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Old 11-05-2013, 01:05 PM   #68
Asharus
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love how cheap it is at walmart too
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Old 11-05-2013, 01:34 PM   #69
Scoobiesdoobies
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Quote:
Originally Posted by Never Summer View Post

5w-40 rotella=one happy motor
Ill check walmart. Would this be ok for a winter application also? I will be frequenting the snow.
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Old 11-05-2013, 01:39 PM   #70
Never Summer
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Quote:
Originally Posted by Scoobiesdoobies View Post

Ill check walmart. Would this be ok for a winter application also? I will be frequenting the snow.
Yes sir. I live in ny and travel to Vermont, nh, Maine. No issues
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Old 11-05-2013, 02:21 PM   #71
SlimJim8804
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I think M1 is still on sale.
I got ten quarts of 0W-40 for what it usually costs me for 6 qts of GC.
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Old 11-05-2013, 02:44 PM   #72
MaddMax
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2012 WRX
~16,000 miles
Pennzoil Ultra 5W-30
Change every 4500-5000 miles or 4 months
Subaru blue filter
Consumes about 300-500ml between changes, checked almost weekly, seems to be getting less as the miles pile on
Driving style is pretty soft, but every entrance and exit ramp is a track, a few 2nd and 3rd gear bursts daily


2007 Outback 2.5i EB Limited (wife's car)
~70,000 miles
Valvoline 5W-30 (dino)
Change every 3000-4000 miles or 4 months
Subaru blue filter
Consumes about 300-500ml between changes, checked weekly
Hellish driving style. Tons of sub 5 mile trips carting kids around and nearby shopping.

Last edited by MaddMax; 11-05-2013 at 02:50 PM.
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Old 11-05-2013, 02:58 PM   #73
Sp2Pilot
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- 2011 STI
- 9852 miles
- 5000 interval
- Shell Rotella T6 with Purolator Pure One filter <--- same combo in my bikes
- Stage 1 since 1k, Stage 2 with Crawford AOS at 8763
- Usually hard driving
- None
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Old 11-05-2013, 10:35 PM   #74
gurusan
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- 2006 WRX wagon
- 99,000
- 3,400 interval
- Rotella T6 w/ WIX 57712 oil filter and grimmspeed AOS
- XPS stage 2 OTS map
- drive it like I stole it, provided engine is warm.
- less than 1/8th quart
- went through around 1/4 quart per 3k with Castrol Edge 5w-30 when running gabedude's stage 1 ots map

Last edited by gurusan; 11-05-2013 at 11:12 PM.
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Old 11-06-2013, 01:53 AM   #75
Scoobiesdoobies
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Quote:
Originally Posted by Never Summer View Post

Yes sir. I live in ny and travel to Vermont, nh, Maine. No issues
Sweeeet. Ill be switching then my next OC. Any recs on a walmart oil filter with roughly the same diff. bypass pressure? Or just stick with oem blue?
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