Smoke and oil from turbo(exhaust side) - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 9 Old 01-04-2006, 10:21 AM Thread Starter
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Smoke and oil from turbo(exhaust side)

I just finished installing the turbo kit i purchased off this forum. Everything was great as far as the condition of the kit, actuallt better than i expected. The turbo was shipped to me directly from Precision, the invoice says a bearing and seal kit were replaced along with a "turbo wheel".
I started the car up last night and there was alot of smoke coming from the downpipe, it was enough to leave a oil residue(puddle)on the floor. I then removed the downpipe from the turbo and found a heavy oil residue in the exhaust housing.
I am new to the TURBO WORLD, so does anyone have any ideas before i send this turbo back to percision.

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post #2 of 9 Old 01-04-2006, 11:42 AM
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99.9% of the time, its either an oil feed issue or an oil drain issue.

What size feed line are you running?
What size drain line are you running?
Are there any kinks or bends in the drain line?
Does the fitting at the oil pan go straight in, or is it a 45* or 90*?
Does the oil drain continue downhill at all times from the turbo to the pan?

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post #3 of 9 Old 01-04-2006, 12:33 PM Thread Starter
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Quote:
Originally Posted by gt93mustang
99.9% of the time, its either an oil feed issue or an oil drain issue.

What size feed line are you running?
What size drain line are you running?
Are there any kinks or bends in the drain line?
Does the fitting at the oil pan go straight in, or is it a 45* or 90*?
Does the oil drain continue downhill at all times from the turbo to the pan?
No i think that is my problem it goes uphill right b-4 the oil pan i will re-route and let you guys know how it turns out.
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post #4 of 9 Old 01-04-2006, 01:15 PM
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Yeah, sounds like its a drain issue then. Try and get the drain line sloping downhill all the way from the turbo to the pan. You'll also want it the shortest possible distance from the turbo to the pan.

That should take care of your problem.
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post #5 of 9 Old 01-08-2006, 02:35 PM
 
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head gasget?
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post #6 of 9 Old 01-08-2006, 05:32 PM Thread Starter
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Re-ran the line fixed my problem maybe 80 percent, when i first start it up weather it is cold or not it smokes for a few minutes(blue smoke). Is this somthing to be concerned with?
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post #7 of 9 Old 01-08-2006, 09:05 PM
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One thing to consider is your engine condition. Do a leakdown or at least a compression test on it. The reason I say this is my own turbo experience: I had a good running 302 in my car and built my twin turbo stuff. Initially, I had oil in the exhaust etc. I wound up rerouting lines, rebuilding the turbos, changing the oil feed etc. Bottom line was that motor was not up to forced induction. Blowby was creating all my trouble. Same setup, different motor, and no more smoke.

So in your case, the smoke goes away when the car is warm? In my case, the smoke arrived when the car was warm.
Erich

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post #8 of 9 Old 01-09-2006, 08:46 PM
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Also, I don't know where you live but it is kind of cold here. The oil is thicker when cold (obviously) and could not be draining proerly until it thins out after warming up. That could explain why it smokes a bit at first, then stops. Also, you can install an oil flow restrictor to restrict the oil flow to the turbos so there is not so much oil pooling up in the turbo. I would think that would take care of it. Apparently, that is kind of a common thing to do.
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post #9 of 9 Old 01-09-2006, 11:35 PM
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How big is the oil drain line? (should be at least -10 an)

Is the oil level above where the oil drains back into the pan?

Just a couple thoughts,
- Brian

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