| Go back to previous topic | | Forum name | Turbo/Nitrous Tech | | Topic subject | Puff of smoke when i shift? IS this normal for turbo cars? | | Topic URL | https://forums.2gnt.com/dcboard.php?az=show_topic&forum=i8&topic_id=35299 |
35299, Puff of smoke when i shift? IS this normal for turbo cars? Posted by XXConvict, Dec-01-02 08:50 AM
Today, while driving behind me, my girlfriend noticed that each time i shifted a puff of smoke came out of my car. I was thinking now could this be? turbo related? And wondering how, if at all, the clutch was related? Could i need new rings? I have a 25g turbo btw.....It has smoked before but only after i stall then start it up again. Its due to the 2ndary fule pump......so if anyone has any ideas what i could be hit me back pleez.....
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35300, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by jlbf, Dec-01-02 10:01 AM
What color of smoke?
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35301, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by fly1, Dec-01-02 10:12 AM
That's right, the color of the smoke gives you some idea as to what the cause of the smoke is. This has also happened to me. Sometimes when I downshift then go WOT, I noticed a puff of smoke. It seems to be black, but I couldn't tell for sure. This doesn't happen when I accelerate normally though. I'm hoping that it's from running too rich because I still haven't done a compression check. If it's a puff of blue smoke, then your pistons might be going or your head gasket.
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35302, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by XXConvict, Dec-10-02 08:03 AM
I was also told that my turbo might be going out...true? I asked a few of my friends who were driving behind me if it smoked, they didnt notice. I think it was just cuz it was cold that it looked like smoke....Girls dont know about car shit, i should of known!
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35303, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by Dave_FL, Dec-10-02 09:00 AM
You have a 25g turbo and you dont know what colors of smoke mean?
black smoke...running rich blue smoke....oil white smoke...water/coolant
My car blowns a ton of smoke evrytime I floor it because i am running super rich because of the shitty HRC fpr.
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35304, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by XXConvict, Dec-11-02 07:51 AM
>You have a 25g turbo and you dont know what colors of smoke >mean? > >black smoke...running rich >blue smoke....oil >white smoke...water/coolant > >My car blowns a ton of smoke evrytime I floor it because i >am running super rich because of the shitty HRC fpr.
I know what the colors of smoke mean. I just wasnt sure with this turbo, cuz its huge and it is a little different then the 16 or 20g. I'm pretty sure its nothing cuz i hardly run at 30psi and the turbo as well as the engine is only about 5000 miles old....thanx tho
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35305, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by widebodied, Dec-10-02 09:02 AM
>I was also told that my turbo might be going out...true? >I asked a few of my friends who were driving behind me if it >smoked, they didnt notice. I think it was just cuz it was >cold that it looked like smoke....Girls dont know about car >shit, i should of known!
most turbo cars blow black smoke out between shifts, or right at hitting full boost...... i hear thats its carbon build up within the exhaust side compressor and piping......... exspescially if you have a catal. i wouldnt worry as long as it black, could be rich.....maybe.. and BTW what are you running a 25g on.....??
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35306, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by DarkOne, Dec-10-02 09:27 AM
Normal. Under really high fuel pressures, the return system can't dump the pressure back to the tank quick enough to match the airflow decrease between shifts, so it'll "burp" a little black every time you shift under boost.
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35307, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by Jasvb TS2K2, Dec-10-02 02:08 PM
What about popping sounds when you rev in a gear while driving and let off the gas and just cruise? VERY VERY RICH?
 http://www.cardomain.com/id/jasvbts2k2
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35308, RE: Puff of smoke when i shift? IS this normal for turbo cars? Posted by HiOnPSI, Dec-10-02 03:42 PM
Yeah, or misfire. I go through spark plugs every 2 months, just the other day my car started misfiring and backfiring when i shifted, so i decided it was time to clean out the spark plug wells and get some new ones.
My girlfriend was following me home from school a few days ago and was extremely pissed, she said i downshifted and shot a 3 foot flame out of my exhaust, and was like "IF YOU EVER DO THAT AGAIN I SWEAR ILL KICK YOUR ASS". i just laughed. it was funny, and everyone thought it was cool. I should have left the old ones in, just for some cool backfire shit.

Jon
1997 Eclipse RS
14.21@101mph 10/4/02
MODS: 8.8:1 JE Pistons / Eagle rods / Stage 1 Hahn turbocharger / Melling Oil Pump / Autometer 5" tach / 4 JL 12" W0 subwoofers / Clarion 230w amp / short shifter mod / GReddy EVO exhaust / custom 2 1/2" downpipe / no cat con / CM Stage 1 / 30lb Mustang injectors / TurboXS MBC / 1G SMIC / Eibach Sportline springs / KYB GR-2 struts / GReddy 52mm EGT / A'PEXi Super AFC
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