Big Puff Of Smoke On Redline Shifts!
#11
I have been experiencing exact the same thing , even went and got my turbo rebuilt with like you with the same effect. It has since gotten much worse and I am now having those O rings replaced (along with some other stuff) . I tested mine by capping off the turbos oil supply and holding back the compressor from turning, then starting the motor and revving it up a bit, after doing that I still saw the smoke so , I knew it was the motor.
#13
Originally Posted by 1988RedT2' date='Feb 4 2004, 12:43 PM
Okay. Thanks very much!
Will the smoke at 5k on a cold engine be VERY noticeable if the O-rings are shot?
I have noticed some smoking on cold starts, but not a lot, and it goes away immediately.
Will the smoke at 5k on a cold engine be VERY noticeable if the O-rings are shot?
I have noticed some smoking on cold starts, but not a lot, and it goes away immediately.
#14
Well, I took the car out today. Revved it cold up to 5k. There was pretty much the usual amount of smoke on startup, and no additional smoke from running up to 5k. I drove it for a good while down some back roads, flooring it in third up to 5500 or so, then shifting to fourth. At each of these shifts, I got a large cloud of what looked like oil smoke. After some more experimentation and observation, I determined that the smoke would appear just as I re-applied throttle after the shift.
I'm guessing I'll need to rebuild this one or buy a rebuilt engine. With all the horror stories about rotten pineapples and shoddy shops, I'm not sure where to go. Not exactly where I wanted to be near the start of the racing season, but that's just the way it is.
I'm guessing I'll need to rebuild this one or buy a rebuilt engine. With all the horror stories about rotten pineapples and shoddy shops, I'm not sure where to go. Not exactly where I wanted to be near the start of the racing season, but that's just the way it is.
#15
Originally Posted by 1988RedT2' date='Feb 8 2004, 05:13 PM
Well, I took the car out today. Revved it cold up to 5k. There was pretty much the usual amount of smoke on startup, and no additional smoke from running up to 5k. I drove it for a good while down some back roads, flooring it in third up to 5500 or so, then shifting to fourth. At each of these shifts, I got a large cloud of what looked like oil smoke. After some more experimentation and observation, I determined that the smoke would appear just as I re-applied throttle after the shift.
I'm guessing I'll need to rebuild this one or buy a rebuilt engine. With all the horror stories about rotten pineapples and shoddy shops, I'm not sure where to go. Not exactly where I wanted to be near the start of the racing season, but that's just the way it is.
I'm guessing I'll need to rebuild this one or buy a rebuilt engine. With all the horror stories about rotten pineapples and shoddy shops, I'm not sure where to go. Not exactly where I wanted to be near the start of the racing season, but that's just the way it is.
#16
If the oil seal o rings are going bad- they will get progressively worse and usually cause an increased prewssure inside the crankcase. This will cause your turbos to 'run dry' and then you can happily have everything rebuilt.
I found this out the hard way.
John
I found this out the hard way.
John
#17
There is a good chanch the puff of smoke is actually fuel... When you let off the gas and the TB closes there is still fuel in the manifold that has already been injected that gets pulled threw the engine with out the air needed to burn it that will exit as smoke usually in the color of blue, if there is a lot of extra fuel it will be black.
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