WTF could it be??? Oil smoke
OK, Here's the story:
I've had my FD since July with no boost or oil smoke problem. I had noted that the secondary turbo had a small amount of oil on the outside of the inlet housing. In March I installed a PFC and mid-pipe and immediately began noticing & smelling oil smoke when I spooled the secondary at WOT. I had been running NO more than 12 PSI at any time. Shortly thereafter, my car would begin blowing oil-smoke after about 60 seconds at idle. I purchased, and installed a reliably "known good", low mileage set of used stock twins removed to do a single conversion. No smoke at idle anymore. BUT, 12 PSI at WOT and I'm STILL spewing oil-smoke. I just checked my PCV and it's operating correctly. Any other suggestions? Besides the turbos? Besides "go single"? Mike |
C'mon, someone's gotta have another idea?
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Oil seals in the motor going bad?
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every time you go midpipe you will smell something. Gas fumes or other stuff. I don't know about oil though. It could be only two things, either turbos or oil seals. Since you changed turbo, there is your answer then.
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Did some tuning runs yesterday courtesy of Badog:
WOT pulls to 4200 RPM, no oil smoke/smell. WOT pulls from 4500 to 7500 RPM, no oil smoke/smell It seems I am getting the oil smoke only when I transition at WOT. No boost issues whatsoever. |
That would hint at the turbos, IMO. The carbon seals in your 'new' turbos are probably okay for now .... but they're warning you. It won't be too long .... :(
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My car smokes *blue/oil* when idling, but thats because I have my oil pump welded open so it keeps constant oil pressure for my t78. Other than that, it never smokes. If I was you, id run compression check and make sure everything is to spec. As long as your engine compression is fine and you dont mind adding oil I wouldnt worry about it.
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double post, Oops!
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Compression testing fine, vacuum of 15 @ 850 rpm idle.
I even ran a 13.6 at 106.6 MPH (@ 10 psi) last weekend, leaving a smoke trail all the way down the track. No shitty driver comments, first time ever at the track! Maybe I should go non-sequential. No transition, no smoke? |
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