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11-08-2019, 06:50 PM | #1976 | |
Scooby Newbie
Member#: 420856
Join Date: May 2015
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Quote:
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11-08-2019, 07:05 PM | #1977 |
Scooby Specialist
Member#: 419593
Join Date: Apr 2015
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That HAS to be a troll post. Please tell me that was a troll post. PLEASE!
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11-08-2019, 07:17 PM | #1978 |
Scooby Specialist
Member#: 395275
Join Date: Jul 2014
Chapter/Region:
RMIC
Location: Fort Lupton, CO
Vehicle:2012 STi SWP |
Haven't changed my oil in 12k
doing 145 in 5th gear on the highway. blows engine Sounds like nasioc all right |
11-08-2019, 07:38 PM | #1979 |
Scooby Newbie
Member#: 504042
Join Date: Jul 2019
Chapter/Region:
SCIC
Location: SOCAL - Sothern Cali
Vehicle:2018 WRX ISM |
I feel like a lot of 15 and 16 in here. FA20DIT was so new back then that Subaru must have messed it up for the first 2 years.
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11-08-2019, 08:10 PM | #1980 |
Scooby Specialist
Member#: 423270
Join Date: Jun 2015
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2015 WRX (sold) |
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11-08-2019, 08:28 PM | #1981 |
Scooby Newbie
Member#: 480524
Join Date: Jan 2018
Location: Pa
Vehicle:2015 WRX Black |
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11-08-2019, 11:18 PM | #1982 |
Scooby Specialist
Member#: 460907
Join Date: Jan 2017
Chapter/Region:
RMIC
Location: Colorado
Vehicle:2020 Golf GTI |
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11-11-2019, 02:14 PM | #1983 | |
Scooby Specialist
Member#: 431550
Join Date: Oct 2015
Location: South Florida
Vehicle:2016 WRX ALL THE STAGES |
Quote:
You take care of it and chances of it sploding drop significantly. Keep in mind my personal situation is at stage 1. A lot of people went stage 2 and then blow up relatively low mileage stock blocks. |
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12-21-2019, 12:15 PM | #1984 |
Scooby Newbie
Member#: 436423
Join Date: Dec 2015
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Model/Year:15 WRX
Milage:85,000 EM: OEM Mods: None Fuel: 93 Oil: Dealer changed Circumstances: Car has lived an easy life, I just use it to drive to and from work - buzz up and down the highway. A day prior to it breaking it seemed to be down on power as I pulled on to the highway but not not so much that I gave it a second thought. The following morning I was caught in a traffic jam and moved maybe 500 yards in 45 minutes. When traffic broke I took it up to a decent speed, something I don't normally do. About 5 minutes after, power was coming and going and the motor developed a horrid knock. The oil light came on as I pulled off the highway and shut it down. The car is at the Subaru dealer and they are working up an estimate to tear it down. That knock sounded expensive. Any advice on this situation is appreciated. I feel I'm screwed no matter what though. |
12-21-2019, 05:38 PM | #1985 | |
Scooby Newbie
Member#: 416873
Join Date: Mar 2015
Chapter/Region:
NESIC
Location: Boston, MA
Vehicle:2015 WRX |
Quote:
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12-21-2019, 07:58 PM | #1986 |
Scooby Newbie
Member#: 427632
Join Date: Aug 2015
Chapter/Region:
TXIC
Location: Texas
Vehicle:2011 Impreza WRX Satin White Pearl |
Lol stage 2 is more efficient power-wise.
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12-22-2019, 11:46 AM | #1987 | |
Scooby Specialist
Member#: 431550
Join Date: Oct 2015
Location: South Florida
Vehicle:2016 WRX ALL THE STAGES |
Quote:
Personally blown blocks that i know? what does that matter lmao anecdotal evidence... sure. I know 3 local FA20DIT that blew at stage 2. Why? They drove like the typical tard --- high load/low revs & generally abusing the car. |
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01-02-2020, 02:27 PM | #1988 |
Scooby Newbie
Member#: 501446
Join Date: May 2019
Location: Reno, NV
Vehicle:'15 WRX gone plaid |
Model/Year: 2015 WRX
Mileage:63k, didn't do any mods 'til at 52k EM:Bren E-Tune Mods:Turboback, Cobb CAI, TGV delete, EBCS, BrenTune Fuel:Chevron/Shell 91 only Oil:Mobil 1 Full syn Circumstances: E-tune for TGV delete. No knock showing while running new map, then tons of knock about 2min after one 3rd gear pull to redline, while cruising back to town. Map was solid, pull log looked great. Actual engine failure: Piston 1 Ringland failure, oil on sparkplug, etc. Mechanic I'm working with doesn't think the failure has anything to do with mods/pull. Going to be building a new short block up. Not sure if I'm going to buy an assembled Crawford or build up one with tuner out here. Waiting on bid estimate. |
01-02-2020, 03:30 PM | #1989 | |
Scooby Newbie
Member#: 477489
Join Date: Nov 2017
Vehicle:2018 WRX Limited CWP |
Man, that's rough. How bad were the knock readings after the pull? Bren have any insights as to what might have caused this?
Good luck. Quote:
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01-06-2020, 09:01 PM | #1990 | |
Scooby Newbie
Member#: 501446
Join Date: May 2019
Location: Reno, NV
Vehicle:'15 WRX gone plaid |
Quote:
Knock readings were in the mid-teens. Last edited by SnoBrrru; 01-15-2020 at 10:03 AM. Reason: Didn’t answer question |
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01-13-2020, 06:27 PM | #1991 |
Scooby Newbie
Member#: 330601
Join Date: Aug 2012
Chapter/Region:
BAIC
Location: Sunnyvale, CA
Vehicle:2014 Forester 2.0XT White |
How about a Forester?
Model/Year: 14 Forester 2.0XT Milage: 88xxx EM:Stock Mods: Stock Fuel: Good ol' California 91 Oil: 5w30 Pennzoil Synthetic every 5k miles (or less if I don't drive it for a while, it's a backup car we use for trips only) Circumstances: Severe knock, misfire on cylinder 3, no power Actual engine failure: Piston skirt on cylinder 3 broke, looked like the crankshaft counterweights have been rubbing on the block for a long time. Contacted SOA about it but I'm probably ****ed. Anyone seen piston skirts break like this? I got a used engine out of a wrecked Forester and it had the EXACT SAME FAILURE! I'm not sure which cylinder failed in the used engine but we happened to drop the oil pan and noticed a piece of piston sitting in it almost the exact same shape. Now I'm waiting for the THIRD engine from these guys... No car for almost a month so far. |
01-13-2020, 09:29 PM | #1992 | |
Scooby Newbie
Member#: 480524
Join Date: Jan 2018
Location: Pa
Vehicle:2015 WRX Black |
Quote:
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01-14-2020, 08:10 AM | #1993 |
NASIOC Vendor
Member#: 198281
Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Had it happen to our FA WRX. Check for a very slightly bent rod.
The markings you see on the block are likely factory clearance machining for the crank. If the crank actually contacted the block, you'd know it!! It's common to mistake this machining for rubbing as it's not the prettiest of finishes. |
01-14-2020, 10:05 AM | #1994 | |
Scooby Specialist
Member#: 431550
Join Date: Oct 2015
Location: South Florida
Vehicle:2016 WRX ALL THE STAGES |
Quote:
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01-15-2020, 11:02 PM | #1995 | |
Scooby Newbie
Member#: 330601
Join Date: Aug 2012
Chapter/Region:
BAIC
Location: Sunnyvale, CA
Vehicle:2014 Forester 2.0XT White |
Quote:
The car has displayed an odd surging and very occasional misfire in the past but it never set a code. When the rod knock started it was very sudden. I posted pics on subaruforester.org in an engine failure thread I started. I did find it amazing that one of the bad engines I got from the wrecker had an identical piston fragment in the pan. The yard swore the engine ran perfectly before they pulled it and urged me to install it anyway. I politely declined. Last edited by aliveoutofhabit; 01-15-2020 at 11:12 PM. Reason: Typo |
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01-16-2020, 05:08 PM | #1996 |
Scooby Newbie
Member#: 330601
Join Date: Aug 2012
Chapter/Region:
BAIC
Location: Sunnyvale, CA
Vehicle:2014 Forester 2.0XT White |
Here are some of the pics I posted over at subaruforester.org
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01-17-2020, 03:53 PM | #1997 |
Scooby Newbie
Member#: 504227
Join Date: Jul 2019
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This is probably the most depressing thread on any forums I've been apart of and I have been on and off car forums since 2000 haha. I see failures of this motor happening with bad driver mods/bad tuning knowledge (especially in the beginning when it first came out )/getting passed around to multiple owners/poor maintenance. I feel like I need to start a more uplifting thread like '15+ successful WRX motor tuning roll-call' seriously ...
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01-17-2020, 04:10 PM | #1998 | |
Scooby Newbie
Member#: 452248
Join Date: Aug 2016
Chapter/Region:
MWSOC
Location: Cleveland Ohio
Vehicle:2017 Base WRX WRB |
Quote:
See here https://forums.nasioc.com/forums/sho....php?t=2756819 |
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01-17-2020, 04:10 PM | #1999 | |
Scooby Specialist
Member#: 453427
Join Date: Aug 2016
Chapter/Region:
MWSOC
Location: Detroit, MI
Vehicle:2017 WRX Crystal White Pearl |
Quote:
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01-22-2020, 09:29 PM | #2000 |
Scooby Newbie
Member#: 418964
Join Date: Apr 2015
Location: Oz
Vehicle:2015 wrx blue |
and here is a not broken yet.
WRX 2015 270hp - DAM dropped to 0.812 three months ago and never reset. Timing must have been pulled significantly and there were no knock events, during that period. Reflashed back to 91 recently and all looks normal so far, DAM holding at 1.0. Will be seeing tuner soon as a service is due. Last edited by dogtrumpert; 01-22-2020 at 09:37 PM. |
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