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Old 11-30-2012, 03:43 PM   #51
gsrcrxsi
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Originally Posted by SWP n Gold View Post

etc. All of these things together could explain the failures. But there's no denying that these tunes are absurdly lean by aftermarket standards.
part of that is likely due to increasingly strict EPA/Emissions standards
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Old 11-30-2012, 04:45 PM   #52
dub kllr
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if only they could make an EJ to match the reliability of the STi tranny. IMO, these cars ARE made for "high RPM clutch drops" and "banging gears". Seriously dude, how can you drive an STi and be a ***** about it? The car begs to be beat on. You should already have it branded in your brain when buying a peformance car: things will break.

Such is life, going fast bears a high cost sometimes. Still doesn't mean you cant have fun within reason. I have beat the **** out of both Subies I've owned and yes they have had their problems but that's part of it.

Honestly, a bolt-on STi with a solid tune is a pretty damn near bulletproof car. I autoX'd, road raced and dragged my 04 and it took it all like a champ @ 340awhp. Then I put on the FP Green and supporting mods and **** started going haywire. Its just the way of the game.
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Old 11-30-2012, 04:59 PM   #53
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Originally Posted by erik11876 View Post
I have it on good authority from two different sources, one is a major player in Subaru tuning game, the other is my uncle who is a machinist on contract to repair Subaru engines for a dealer in Boston, that the ringlands in the 2011 and up EJ25's now have a ceramic coating on the ringlands to help reduce failure. It's very non scientific though, take it as a grain of salt, the engineers from Subaru haven't confirmed this.
An easy to see if this is remotely true is for someone to see if the part numbers are different for the 2011+ pistons and/or short blocks. Another way to check is to look for a coating on the 2011 piston itself. It's obvious if it's coated or not.
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Old 11-30-2012, 05:05 PM   #54
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Originally Posted by SWP n Gold View Post
I don't think it's the tune alone. I think failures occur when you have a fragile tune and owners who:

-don't warm up their car properly before driving "spiritedly"
-use less than optimal gas
-don't follow the maintenance schedule

etc. All of these things together could explain the failures. But there's no denying that these tunes are absurdly lean by aftermarket standards.
I pretty agree with this. The OEM tune is initially lean, especially on the STIs, but no one has ever proven the OEM tune is the culprit. It's an assumption. Ringlands fail in stock, Stage I, Stage II, and more modified motors. The fact that ringlands go in Stage I cars with tunes that have never shown detonation leads to me believe there is some other random mechanical fueling issue, poor fuel, and/or a culmination driver induced effects specifically high load, high gear acceleration demands (ie going WOT in 5th at 2000rpms).
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Old 11-30-2012, 05:17 PM   #55
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Originally Posted by luan87us View Post
Why don't you just run stock til 3 years/36,000 miles close to running out then use a better aftermarket tune? It's kind of stupid how Subaru can blame you for abusing the car. The wrx/sti were built to be fast so it isn't really abusive if you're driving the car the way it's supposed to be driven.

ps: the engine i think is covered for up to 50 or 60K. 36K is with everything else. its in the warranty manual.
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Old 02-15-2013, 03:55 PM   #56
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The pistons are 'sensitive'. You shouldn't run into a problem unless YOU do something wrong. A bad batch of gas is enough. EDIT woa whoops this is an old thread..
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Old 02-15-2013, 03:59 PM   #57
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Originally Posted by honestabe View Post
The pistons are 'sensitive'. You shouldn't run into a problem unless YOU do something wrong. A bad batch of gas is enough. EDIT woa whoops this is an old thread..
What do you mean a bad batch of gas? Like putting something below Premium? Utah only has 91 highest so I can't even go higher if I wanted to. Hopefully that isn't too bad. I try to get Chevron everytime I refill.
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Old 02-15-2013, 05:39 PM   #58
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Originally Posted by luan87us View Post
What do you mean a bad batch of gas? Like putting something below Premium? Utah only has 91 highest so I can't even go higher if I wanted to. Hopefully that isn't too bad. I try to get Chevron everytime I refill.
91 from chevron is fine. But dont put in 89 or 87 octane. I like to stay with stations like chevron, mobil, shell.
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Old 09-26-2013, 09:51 PM   #59
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Originally Posted by SWP n Gold View Post
If:

1) the oil used meets the standards as outlined in the owner's manual
2) you changed it according to the recommended intervals from Subaru
3) can provide receipts for every service performed

then you'll be fine. If you don't, you run the risk of getting denied.
What if you do your own oil changes like I do? Every car I ever ha I did my own oil changes. This makes me not want to order this car.
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Old 09-26-2013, 10:07 PM   #60
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What if you do your own oil changes like I do? Every car I ever ha I did my own oil changes. This makes me not want to order this car.
Should be fine as long as you use oil as recommended in manual and save receipts for oil and filter.

By the way, as the OP, I was cross shopping with mazdaspeed 3 and focus st. Ended up getting wrx due to awd pull, boxer rumble, and looks. Didnt like minor tq steer and wheel slippage in the others. No regrets.
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Old 09-27-2013, 09:30 AM   #61
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If your just running a stage 1 shelf tune and the car runs well after a data log it should be fine, but if your car is heavily modded your better off running slightly thicker oil even if the internals aren't done because 5w-30 is just too thin for a heavily modded car and thinner oil doesn't help with avoiding ring land issues. I've seen threads about people saying oh Mobil 1 is **** in subarus but I believe that's one's personal opinion, in a stock Subaru it's just fine. Running thicker oil is def a better option with a heavily modified car such as full bolt ons and tune or of course fully built motor.
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Old 09-27-2013, 09:40 AM   #62
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Originally Posted by MaddMax View Post
I pretty agree with this. The OEM tune is initially lean, especially on the STIs, but no one has ever proven the OEM tune is the culprit. It's an assumption. Ringlands fail in stock, Stage I, Stage II, and more modified motors. The fact that ringlands go in Stage I cars with tunes that have never shown detonation leads to me believe there is some other random mechanical fueling issue, poor fuel, and/or a culmination driver induced effects specifically high load, high gear acceleration demands (ie going WOT in 5th at 2000rpms).
I agree its an assumption and I think its wrong most of the time.. I have seen far more motors fail with stage 1 or 2 tunes than stock tuned cars..

Then again this could be DRIVER caused and I tend to think 80-90 percent of the time its driver caused putting in cheap gas maybe etc?
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Old 09-27-2013, 09:51 AM   #63
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Originally Posted by Dat8687 View Post

I agree its an assumption and I think its wrong most of the time.. I have seen far more motors fail with stage 1 or 2 tunes than stock tuned cars..

Then again this could be DRIVER caused and I tend to think 80-90 percent of the time its driver caused putting in cheap gas maybe etc?
My friend with an 08 sti went through three motors. First two were stage 1, last was stock. He gave up and traded for a brz.

And he's not an idiot regarding gas and whatnot. Was by far the fastest Stu autocrosser in my region.

There is definitely something inherently wrong with the ringlands.
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Old 09-27-2013, 09:55 AM   #64
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My friend with an 08 sti went through three motors. First two were stage 1, last was stock. He gave up and traded for a brz.

And he's not an idiot regarding gas and whatnot. Was by far the fastest Stu autocrosser in my region.

There is definitely something inherently wrong with the ringlands.
Maybe that had something to do with it. Derrick is an impressive driver though.
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Old 09-27-2013, 10:05 AM   #65
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Maybe that had something to do with it. Derrick is an impressive driver though.
Perhaps, but in my opinion ringlands in a performance-oriented vehicle should be able to stand up to 60 seconds of hard driving. The WRX ringlands tend to stand up much better than the sti ringlands. And the cars make the same power so it seems kind of ridiculous to me.

Do you race in this region too?
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Old 09-27-2013, 11:12 AM   #66
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Perhaps, but in my opinion ringlands in a performance-oriented vehicle should be able to stand up to 60 seconds of hard driving. The WRX ringlands tend to stand up much better than the sti ringlands. And the cars make the same power so it seems kind of ridiculous to me.

Do you race in this region too?
No, I don't race. Just watch and drool.

Although if you're going to the SCCA event at Hershey Park on Oct 26/27 you may see me there.
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Old 09-27-2013, 11:21 AM   #67
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No, I don't race. Just watch and drool.

Although if you're going to the SCCA event at Hershey Park on Oct 26/27 you may see me there.
I'll be there . Only 5 minutes away how could I resist?
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Old 09-27-2013, 11:24 AM   #68
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I'll be there . Only 5 minutes away how could I resist?
Bromance is in the air!
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Old 09-27-2013, 11:28 AM   #69
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Bromance is in the air!
The big question is: who will be little spoon?
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Old 09-27-2013, 12:13 PM   #70
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Perhaps, but in my opinion ringlands in a performance-oriented vehicle should be able to stand up to 60 seconds of hard driving. The WRX ringlands tend to stand up much better than the sti ringlands. And the cars make the same power so it seems kind of ridiculous to me.
They have different pistons as well.

Quote:
Originally Posted by mrkyle3 View Post
The big question is: who will be little spoon?


Were you at the last auto-x over at the HB farm show parking lot? I think I saw 2 wrb hatches parked right next to each other, but one was an STi. Any chance the wrx was yours?

I was there with my friend who has a black 2004 STi.
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Old 09-27-2013, 12:39 PM   #71
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They have different pistons as well. Were you at the last auto-x over at the HB farm show parking lot? I think I saw 2 wrb hatches parked right next to each other, but one was an STi. Any chance the wrx was yours? I was there with my friend who has a black 2004 STi.
Yep that was me! I only did the morning session though. I think I remember the black sti coming for the afternoon.
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Old 09-27-2013, 12:46 PM   #72
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Yep that was me! I only did the morning session though. I think I remember the black sti coming for the afternoon.
Gotcha. Nice, I'll say hello if I see you in Oct. He raced in the afternoon, but got there in the morning. I got there around noon, and happened to park right next to you.
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Old 09-27-2013, 12:48 PM   #73
JAMM0N
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13 23k on the clock. Tasteful mods. AutoX last week and car is running fine. I havent beat the **** out kf it that much to notice any car problems. Mmm winter
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Old 09-27-2013, 01:28 PM   #74
MaddMax
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Originally Posted by mrkyle3 View Post
My friend with an 08 sti went through three motors. First two were stage 1, last was stock. He gave up and traded for a brz.

And he's not an idiot regarding gas and whatnot. Was by far the fastest Stu autocrosser in my region.

There is definitely something inherently wrong with the ringlands.
Well let's keep in mind that the 08 STIs had a well known tuning issue which was largely responsible for the failures. That issue was addressed.
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Old 09-27-2013, 01:31 PM   #75
1wrxtra
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Well let's keep in mind that the 08 STIs had a well known tuning issue which was largely responsible for the failures. That issue was addressed.
He said the first two motors were stage 1. The last one was stock. The stage 1 motors would not have been subjected to the stock tune during auto-x.
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