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Old 01-26-2012, 06:44 PM   #1
cosseywrx
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Member#: 276443
Join Date: Mar 2011
Chapter/Region: TXIC
Location: Abilene, TX
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2005 2.1 stroker WRX
OBP

Default huge trail of smoke

Huge trail of smoke behind me driving. Whats that mean
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Old 01-26-2012, 06:59 PM   #2
chanomatik
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What color smoke?
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Old 01-26-2012, 06:59 PM   #3
tribalwrx
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Something went bang...white or black smoke?
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Old 01-26-2012, 07:11 PM   #4
cosseywrx
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Heavy white smoke. Overboostn part throttle. Sucking down oil as well. Just added a qrt last weekend and its past low mark on dip stick. Gonna check the turbo this weekend i guess. Only did.this for 5-10 mins on highway then it stopped
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Old 01-26-2012, 07:20 PM   #5
cosseywrx
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OBP

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i did some searching....bad turbo or excessive crank case pressure from possible clogged AOS.
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Old 01-26-2012, 07:26 PM   #6
coldfiremx
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Make sure and verify the head gasket is not leaking. PM me if you have any questions.
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Old 01-26-2012, 07:27 PM   #7
JordyB
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cracked ring-land?
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Old 01-26-2012, 07:35 PM   #8
P3Auto
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Smell the smoke. Identify oil or coolant smell. When turbo goes bad this is one of the things that can happen.

Look for other obvious stuff wrong, intake and ic drowning in oil, lines blown off.

How is it at idle? Rough and smoke?

Compression check will rule out some basic stuff.
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Old 01-26-2012, 07:52 PM   #9
cosseywrx
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Idle is smooth. Pretty sure its oil thing. Coolant level hasnt moved on over a year. Niether has the color of it. Ive hag to add lots of oil tho. Gonna remove aos and check the turbo. Compression test as well
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Old 01-26-2012, 10:27 PM   #10
Nomadgene
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see the milky oil thread!
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Old 01-28-2012, 03:29 AM   #11
cosseywrx
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OBP

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welp all cyclinders tested good in my eyes....the aft two were high tho.

1 and 2 cyl 150 psi

and 3 and 4 were 210 psi

heres some pics of where all the oil went to...removed the aos and returned that to stock and i will buy new spark plugs and refill the oil and start her up tomorrow.

enjoy





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Old 01-28-2012, 03:32 AM   #12
cosseywrx
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OBP

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all because i of the AOS is how i see it...wouldnt let the crank bleed of built up pressure.
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Old 01-28-2012, 04:21 AM   #13
JesseL
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Yup, tis why I got rid of my Grimmspeed AoS... Tanks + Extreme cold = win

I popped the seals on my BorgWarner on a really cold day last year, Bullseye turbo said most likely from to high oil pressure
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Old 01-28-2012, 04:26 AM   #14
cosseywrx
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OBP

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just needs some clean love then back on the road again!

so a catch can is the way to go then?
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Old 01-28-2012, 04:28 AM   #15
AKSubie
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ironically, I had a similar thing happen to me this evening on the way home. Freaked me out and thought I had blown a turbo as well.

I think it was my PCV system got frozen/clogged as there was no smoke after having the car looked over with Tim. Still freaky though.
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Old 01-29-2012, 08:06 PM   #16
P3Auto
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Heated AOS --- http://store.crawfordperformance.com/store/products/73

Those compression readings are pretty interesting. Thats a large variation 150-210.

WRX Specs Compression:
Compression (at 200 - 300 rpm):
Standard
981 - 1,177 kPa (10 - 12 kgf/cm2, 142 - 171 psi)
Limit
882 kPa (9.0 kgf/cm2, 128 psi)
Difference between cylinders
Less than 49 kPa (0.5 kgf/cm2, 7 psi)
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Old 01-29-2012, 09:00 PM   #17
cosseywrx
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OBP

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In the process of pullin the intake mani and what not. After it gets back together i will run it and do another comp test
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Old 01-29-2012, 09:18 PM   #18
coldfiremx
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When you do the compression test again heres a few tips. Make sure you have a battery charger hooked up to the battery @ 40 amps to ensure equal cranking voltage and crank speeds, make sure you hold the throttle wide open and also make sure your crank duration is consistent throughout the tests. All of those tips should help make your results as accurate as possible.
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Old 01-30-2012, 04:19 PM   #19
P3Auto
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Also expect lower numbers if the motor is cold.
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Old 01-30-2012, 07:07 PM   #20
shaggydog
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Does this happen a lot with the GS AOS when it comes to extremely low temps? Also would the oil weight play another factor in this as well?
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Old 01-30-2012, 07:20 PM   #21
P3Auto
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There have been reports of this on the internet. Even a catch can has frozen up if its cold enough and mounted in a cool spot.

We have not seen this car but if his compression has anything to say, even with the numbers being out of whack (gauge is wrong) the difference between the cyls is very large so I would speculate to say the problem is more than just the AOS if the next result is the same.

We will see when he gets it checked again. The last time we saw this much oil in an intake it was two broken ring lands and a completely cracked piston.

I hope it turns out ok for this guy.

Sorry your other question about oil. The reason the AOS will block up is due to water vapor and moisture that can freeze up in the lines. Oil can gunk up for sure if its thick but usually not block.

I think really if people have concerns or they see ice buildup they should just install a tee in its place until the weather warms up.


Quote:
Originally Posted by shaggydog View Post
Does this happen a lot with the GS AOS when it comes to extremely low temps? Also would the oil weight play another factor in this as well?
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