2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

smoking problem

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Old Sep 8, 2004 | 01:08 AM
  #1  
Infini 1300's Avatar
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From: Florida
smoking problem

well, the other day i raced with this car from second gear shifting right at or a little before redline up until 4th gear. i let my car cool down after that.

the next day i start it up...its fine no smoke. but when its warmed up and i get to a stop, after a while it would start to smoke. its not too bad but it is noticeable.

when driving around, its fine. no smoke whatsoever. only when im at a stop or parked somewhere.

my car is a 90TII w/ S5 Jspec. i swapped turbos with my old motor when i did the engine swap so maybe my turbo crapped out on me? cuz i would rev to 5k and no smoke would shoot out.

I am also running on premix with partially fouled plugs. ( yea i know its stupid but i have to wait to the next check to pick some up)

so any ideas on the smoke? this was never doing it before this happened. and also i raced like this before. im just praying its not a control ring.
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Old Sep 8, 2004 | 01:14 AM
  #2  
Knight-Rider-04's Avatar
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From: Florida
im good with electronics but if i can find some answers ill be happy to tell ya
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Old Sep 8, 2004 | 09:46 AM
  #3  
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How about some Nicoreette gum? J/k What condition are the turbo oil seals in?
W00T 300 posts.
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Old Sep 8, 2004 | 11:22 AM
  #4  
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From: Mission,KS
Could just be that at idle its a lot of premix burning. When ur driving theres more air and fuel to dillute the premix. Thats just my guess. Whats it smell like? And color of smoke?
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Old Sep 8, 2004 | 12:44 PM
  #5  
Infini 1300's Avatar
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From: Florida
yea i guess that could be the case. i mean i dont really measure it when its time to add. i just go by what I think is best. hah oh well...lesson learning.

the smoke is kinda white....but i can't tell if it has a blue hue to it or not. smells a little sweet though. and i do have to check up on my radiator fluid alot. gotta refill it every couple of days.
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Old Sep 8, 2004 | 12:50 PM
  #6  
WAYNE88N/A's Avatar
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From: Coldspring TX
Just keep an eye on it for now, try to identify it. If it gets progressively worse, then we'll start the "rebuild" threads, lol...
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Old Sep 8, 2004 | 02:06 PM
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From: Mission,KS
That sweet smell usually indicates coolant burning in the combustion cycle. Which means u might have a leaky coolant seal. Is your omp and oil injection system still on the motor?
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Old Sep 8, 2004 | 04:40 PM
  #8  
Infini 1300's Avatar
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From: Florida
well just went driving around for a while. and i got a good whiff of that smoke.... definately doesnt smell sweet. so i guess that means its oil.

i forgot to mention an important factor that may contribute. i installed a 3inch TID pipe using abs plastic. i got it off Scott89T2's page. (very informative btw) www.1300cc.com
ever since i installed that, i noticed my idle would rest at a steady 1300rpm. but today while i was sitting in traffic, i would sorta ride the clutch so my rpms would drop down to OEM idle 700-750rpm and it i saw no smoke!

so my guess is that what RotaryWeaponSE7EN said that im burning too much premix. thats caused by the high idle.

yep i still have my OMP stuff in the motor.
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Old Sep 8, 2004 | 07:04 PM
  #9  
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From: Mission,KS
Try adjusting the TPS to turn the idle down.
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