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11-02-2011, 01:38 PM | #1 |
Scooby Newbie
Member#: 289798
Join Date: Jul 2011
Chapter/Region:
MWSOC
Location: central wisconsin
Vehicle:94 Ranger Truck world rusty blue |
a puff of white smoke on start up
I have a 05 sti with a 2010 shortblock with about 10k miles on it. It has Wiseco pistons and a GT52 setup.
I just changed the oil from AMS 5-40 to royal purple 5-30 and only sometimes after I drive it around for a while and shut it off, I go back to warm up my car it shoots out a white cloud of smoke from the exhuast. It smells like burnt oil. I did put 4.5 quarts in but thought nothing of it. I checked the oil level and its still a tad high and still purple. Car was on the west coast and now in the Midwest. are my rings going? My turbo shot? Am I just being stupid and over worrying? Or is something really messed up. Plus I am going to tune real soon but need to know if its okay to drive 3 hours to tune the car. It has been tune before but I just want it done due to elevation change(about 1200ft difference from where it came from and here) Thank you for your guys support!
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11-02-2011, 05:01 PM | #2 |
Scooby Specialist
Member#: 228784
Join Date: Nov 2009
Chapter/Region:
MWSOC
Location: Chicago, IL
Vehicle:2004 wrx black, stage 2+ |
my car will puff a little white smoke after sitting for a bit and i get into the gas alittle right after i start it. I figure its just bow-by burning away.
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11-02-2011, 08:33 PM | #3 |
NASIOC Vendor
Member#: 136396
Join Date: Jan 2007
Chapter/Region:
MWSOC
Location: Minneapolis, MN
Vehicle:2020 STI, 2022 WRX |
You may want to do a compression and leakdown test to rule out any issues with the rings.. I just got done talking to a friend who had the same issue and took it to the dealer to find out the ringland on #4 was dead and had a cracked piston, But his was also consuming oil and you said yours is not. Never hurts to check though. Good luck
Chris |
06-28-2012, 06:49 AM | #4 |
Scooby Newbie
Member#: 324540
Join Date: Jun 2012
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these are also aftermarket pistons not known for ringlands failing, Ive heard of and seen a lot of scoobs that puff some smoke on start up. Oil level is pretty important, DO NOT RUN IT OVER FULL, not even just a little.
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06-28-2012, 07:14 AM | #5 |
Scooby Specialist
Member#: 298231
Join Date: Oct 2011
Chapter/Region:
MAIC
Location: maryland
Vehicle:2011 WRX WRB |
do a compression and cylinder leak down test... if those end up being normal then start to look else where.
and +1 on the oil fill of the oil. have heard alot about that recently. so that would be something i would check after you do the 2 test i mentioned above. always better to be safe then sorry. |
02-15-2014, 02:53 AM | #6 |
Scooby Newbie
Member#: 333497
Join Date: Sep 2012
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that's what mine does on cold start... normal? or should I start looking for a new turbo? 2009 STI with cosworth pistons / 17 psi on stock turbo / decat... |
02-15-2014, 03:17 AM | #7 |
Scooby Newbie
Member#: 368905
Join Date: Sep 2013
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Nvm I. Not a professional. Seems to probabily be okay tho...
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02-15-2014, 03:29 AM | #8 |
Scooby Newbie
Member#: 287109
Join Date: Jun 2011
Chapter/Region:
SCIC
Location: Inglewood, CA
Vehicle:2008 STI SSM |
positive it smells like burnt oil?
(I doubt this is it) but my sister's protege puffs white smoke once when it starts and it is the sweet smell of coolant. your engine seems too new for that but at least something to sniff and rule out... |
02-22-2014, 08:59 AM | #9 |
Scooby Newbie
Member#: 333497
Join Date: Sep 2012
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04-15-2015, 01:47 PM | #10 |
Scooby Newbie
Member#: 333497
Join Date: Sep 2012
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...welcome Kinugawa
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