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05-03-2012, 12:31 AM | #376 | |
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Vehicle:2011 WRX STI Limited SPW |
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05-03-2012, 12:47 AM | #377 | |
Scooby Newbie
Member#: 56219
Join Date: Feb 2004
Chapter/Region:
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Location: Vermont
Vehicle:2011 WRX STI Limited SPW |
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05-05-2012, 12:44 AM | #378 |
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Vehicle:2011 WRX STI Limited SPW |
Okay, One thing for sure so far. My gas mileage is not as good as it was before. I think the cigarette smoking man has stock in Mobil Exxon. I lost a easy 3 MPG.....
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05-05-2012, 01:17 AM | #379 |
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Get a new engine in it and sell it if you can. I know you'd be taking a hit on depreciation, but it sounds like you got more of a lemon than a normal Subaru. Get rid of it before the **** gets any thicker.
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05-05-2012, 09:12 AM | #380 |
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MAIC
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Come on guys, lets be serious here. Good oil and regular changes are very important but it wouldn't have prevented the OP's issue. I dont care if you're running $1 per quart oil or $1000 per quart oil, its not going to prevent knock induced engine damage.
Its very unfortunate that Subaru cant produce a car that's tuned well enough to run without blowing up but no amount of oil is going to prevent that. |
05-05-2012, 12:22 PM | #381 |
Scooby Newbie
Member#: 56219
Join Date: Feb 2004
Chapter/Region:
NESIC
Location: Vermont
Vehicle:2011 WRX STI Limited SPW |
The tune doesn't seem to be the problem with my engine failure. Go back a few pages and look at the pics. However now my car is sucking gas... so I agree. Subaru should be doing better than this. But its obvious they don't care what STI owners think. Just look at the results. Blown motors all over the place, and bs cel codes for everyone. Model year after model year. At least we all have sweet hood scoops.
Last edited by gordyzero; 05-05-2012 at 12:54 PM. |
05-05-2012, 12:56 PM | #382 |
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give it a chance to break in, I wouldn't think to get any legitimate fuel economy results until after you put several thousand miles on it.
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05-05-2012, 02:00 PM | #383 |
Scooby Newbie
Member#: 56219
Join Date: Feb 2004
Chapter/Region:
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Location: Vermont
Vehicle:2011 WRX STI Limited SPW |
1200 miles so far... no change. But your right. It took several thousand miles on the last engine before I had decent MPG. But it was NEVER this low. As long as it doesn't blow up. F it.
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05-05-2012, 02:42 PM | #384 |
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Vehicle:2004 STi White |
Now I see what was wrong in the cylinder pictures. They were heavily glazed. Some have clamed over the years that too soft a break in can cause that, and it used to be recommended that brake in be done on dino oil before switching to the slippery synthetic. The claim was that the rings had to seat with the cylinders, and that required some friction.
Just some old school thoughts. If you are really paranoid about your break in, you could get the engine bore scoped. |
05-05-2012, 02:51 PM | #385 |
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Vehicle:2011 WRX STI Limited SPW |
So as you pointed out, I broke it in soft the first time. 2nd time around conventional oil for the first 1000 miles. And beat it like it owed me money. Slow gradual high revs. In every gear. Shifting at 6k in as often as i could.
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05-05-2012, 03:05 PM | #386 | |
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Good luck. P.S. I probably seated my rings the first week I had the car. Two day auto-x, and it doesn't burn a drop of 5w-30 dino Penzoil... |
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05-05-2012, 03:15 PM | #387 |
Scooby Newbie
Member#: 56219
Join Date: Feb 2004
Chapter/Region:
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Location: Vermont
Vehicle:2011 WRX STI Limited SPW |
Speaking of pennzoil , I just put euro 5w40 in a my car yesterday. I like ! Much smoother.
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05-07-2012, 01:25 AM | #388 |
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Vehicle:2011 WRX STI Limited SPW |
Update ... no matter how hard or easy I drive this car = 20 MPG ? And another BS thing. Shift alarm doesn't work in 3rd gear. Just the light flashes. I have officially run out of patience. The car does drive wonderful though. More power than before. Is this normal mileage ? I would get anywhere from 23- 30 MPG before. If I pound the daylights out of this thing 19.5 MPG... and if I drive like grandma 20.5 MPG. Very stupid. The only thing I have changed is I changed the diff fluid to synthetic. In my last 2 WRX's this actually improved my mileage by nearly 2 MPG. My head is going to explode. I just don't understand this.
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05-07-2012, 07:54 AM | #389 | |
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I'm beginning to think if you were getting anywhere near 30 mpg in an STI, you were running too lean. |
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05-07-2012, 09:01 AM | #390 | |
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Location: southern ontario canada
Vehicle:2011 sti sedan plasma blue pearl |
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05-07-2012, 09:20 AM | #391 | |
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05-07-2012, 09:31 AM | #392 |
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stock everything, 22'ish hwy., ots stage 2, 22'ish, ots economy map, 22'ish, protune 23 plus a butt load of useable power under the curve. Ontrack under heavy boost, <6 mpgs. 30 mpg's, even on the hwy, seems too high.
Just like any other performance vehicle, you do not buy an sti for fuel economy. You may be better off selling the sti and getting something else. Last edited by k mier; 05-07-2012 at 09:36 AM. |
05-07-2012, 12:43 PM | #393 | |
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05-07-2012, 02:00 PM | #394 | |
Scooby Newbie
Member#: 56219
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Location: Vermont
Vehicle:2011 WRX STI Limited SPW |
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05-07-2012, 02:26 PM | #395 |
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How did you manage 30 mpg? I have a my12 STI hatch and on the highway I get 25 if I put it in I mode and nurse the pedal.
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05-07-2012, 02:46 PM | #396 | |
Scooby Newbie
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05-07-2012, 02:59 PM | #397 | |
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Was getting right around 25mph just before with about 3,000 miles on the oil in the pan. These are all highway miles and with a passenger. Carpool ftw. |
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05-07-2012, 03:41 PM | #398 | |
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Probably prone to knock/misfire if you put some load on it with the RPM barely above idle and heavy load on the engine. |
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05-07-2012, 03:45 PM | #399 | |
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Removing the batt ground for a bit and loosing all the aggressive learning, and radio settings, may restore the high mpg readings, or just time will do the deed. It's weird that you shift buzzer doesn't work in ONE gear. Maybe the new cars are different, but mine can't tell what gear it is in. Personally, I don't like the buzzer as there are corners at the track/hillclimb/auto-x that I like to hold the gear longer and not shift up at the entry. My shift light is set 800 rpm before the rev limiter. First also gets held to red line. It's an area under the curve thing. On the street I don't like going below 45mph in 6th. Your dual AVCS engine has a different power curve though. |
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05-07-2012, 04:56 PM | #400 |
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lol @ the bulldozer oil. i just drained the oem subaru piss water out of my 2012 with 2k miles. i will never put subaru oil back in the car. i home the dozer oil and wix filter holds up for the track day i have scheduled in a few weeks!
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