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Scion tC 1G Forced Induction Turbo and supercharger applications...

Did some maintnence on the tC today

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Old Jul 19, 2009 | 02:19 AM
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Default Did some maintnence on the tC today

so i changed my oil today and drove to get my gf. i noticed getting on the highway i dumped copious amounts of light gray or white smoke. i cant relly tell that well in my rearview. so i just assumed it was white and prepared for the worst. after grabbing lunch and dropping off my gf. i went to my friends to do a compression test (not fun on a hot butt motor) it reads 150 on cylinders 4 2 and 1. cylinder 3 reads 175. to me it sounds like bad rings. i'm going to look in to getting a leakdown test done but with construction being as slow as it is right now i could afford some people to take some guesses at what my problem might be.

I've searched for replacment rings and i definatley cant find any if anyone knows where i can just get rings drop me a line.
Old Jul 19, 2009 | 02:21 AM
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i thought 150 is normal?...

my car had smoke but my one of my cylinders was at like 90...
Old Jul 19, 2009 | 02:24 AM
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145 is min 189 is max with a difference of 14psi in each cylinder is what i thought
Old Jul 19, 2009 | 02:27 AM
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maybe you just spilt a little oil when you did the oil change.. and it was burning off..

or maybe do a second test...
Old Jul 19, 2009 | 02:33 AM
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no its definatley coming out of the exhaust. the car backfired after doing a pull and a ton of smoke puffed out all at once. so unfortunatley its not that simple. i hope i'm just overreacting and its somthing silly but i doubt it.
Old Jul 19, 2009 | 02:33 AM
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Get a buddy to follow you and watch it from behind.
Old Jul 19, 2009 | 02:34 AM
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not good...
Old Jul 19, 2009 | 02:36 AM
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all my buddies are busy right now or i would have. i've had some bum luck these past few days
Old Jul 19, 2009 | 02:43 AM
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check the intake pipe on the turbo and the charge pipe on the turbo...see if you got anyoil in em...is it doing it at idle? or just wot?
Old Jul 19, 2009 | 02:49 AM
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only does it at WoT.
Old Jul 19, 2009 | 02:50 AM
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If decide you need a leak down test, I can hook you up with a leak down, catch is you gotta come to greeley.
Old Jul 19, 2009 | 02:53 AM
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we talkin tools to do it a or a free test? either way i'm coming to ya.
Old Jul 19, 2009 | 03:01 AM
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Both.
Old Jul 19, 2009 | 03:03 AM
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cool when would you want to meet up? i'm busy during the week but i'm free weekends.
Old Jul 19, 2009 | 03:21 AM
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PM'd
Old Jul 19, 2009 | 03:43 AM
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Did you Prime the Turbo before starting it back up? Your Compression I think is normal.


By the way, if you can do a compression test, then you can do a leak down and no need to drive anywhere to get it done. Only difference between the two, is you drop a little oil in the spark plug hole, and follow the same instructions as you would for a compression test.
Old Jul 19, 2009 | 05:33 AM
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that wouldndt tell me if it was my rings tho.
Old Jul 19, 2009 | 05:34 AM
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and no i didnt prime the turbo i just turned it on and let it idle for a minute.
Old Jul 19, 2009 | 05:44 AM
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have you checked the intake piping to make sure theres no oil in there? cant be the seals on the turbo?
Old Jul 19, 2009 | 06:08 AM
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i'll try that tomorrow.



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