Oil Smoke at startup/decel
So I have been trying to chase this down for a while and it seems to have gotten worse. When the car starts up I am getting a lot of oil smoke and also when I stop at lights. Also when on the highway and I lift off the throttle I can smell the oil coming out the exhaust. I have checked the PCV valve. It doesn't really smoke under boost, so I didn't think it could be the turbo, could it? The car is a single turbo with all the emissions removed. Any ideas?
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Does your single have an oil line plumbed to it? If so, do you know if there is a restrictor in the line?
Another thing to check is to start the car with the oil cap open. If you don't get any smoke, then it's a crankcase ventilation problem. Where is your crankcase being ventilated now? |
Originally Posted by Mahjik
(Post 9466254)
Does your single have an oil line plumbed to it? If so, do you know if there is a restrictor in the line?
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The crank is being vented. The cap on the filler neck is open.
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i've had the same problem for over a year at first I thought it was the turbo. but now that i'm reading this...
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Originally Posted by Laz93RX7
(Post 9466288)
i've had the same problem for over a year at first I thought it was the turbo. but now that i'm reading this...
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Its definitely blowing a quite a bit of smoke. I wouldn't think its the turbo either, but maybe the turbo is heating up when you are in boost and it is expanding and sealing? When it cools off a bit, the seals start to leak again? I don't know, just thinking out loud.
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