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06-04-2015
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#1 |
 Join Date: Nov 2013
Location: Satellite Beach
Posts: 33
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Should I be freaking Out?
Hello all, I've noticed some intermittant smoke from the tailpipe. It usually occurs when you really get on the gas while accelerating and only lasts like a poof of smoke. I can't tell if it's white or blue and while I goosed the throttle in the garage, and got it to smoke, it smelled like spent gunpowder to me.
Here's the facts: 1990 Z with 38,000 miles It's my daily driver (yes, the horror!) Only mod is Marc's chip I use Mobile 1 Extended Performance Thoughts? Thanks Rich
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1990 Corvette ZR-1 Polo Green #1648 1979 Trans Am SE Smokey & The Bandit Edition 1975 Porsche 911S (Sold) 1962 Lincoln Continental |
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06-04-2015
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#2 |
   
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Should I be freaking Out?
Any rattling underside from the CATs?
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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06-04-2015
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#3 |
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Join Date: Nov 2013
Location: Satellite Beach
Posts: 33
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Re: Should I be freaking Out?
None that I can detect...
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1990 Corvette ZR-1 Polo Green #1648 1979 Trans Am SE Smokey & The Bandit Edition 1975 Porsche 911S (Sold) 1962 Lincoln Continental |
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06-04-2015
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#4 |
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Should I be freaking Out?
Well MY 90s have no exhaust valve seat/seats so you me be just seeing normal blowby. Normally you see that upon startup which is why I asked you about the cats. I assume no error codes since you didnt state any.
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V Last edited by GOLDCYLON; 06-04-2015 at 07:33 PM. |
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06-04-2015
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#5 |
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Join Date: Nov 2013
Location: Satellite Beach
Posts: 33
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Re: Should I be freaking Out?
No error codes, all is GTG. I did read about the earlier Z's and smoke...It's very minimal when it happens, and I can't see it while in the car since it disapates so quickly...
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1990 Corvette ZR-1 Polo Green #1648 1979 Trans Am SE Smokey & The Bandit Edition 1975 Porsche 911S (Sold) 1962 Lincoln Continental |
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06-04-2015
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#6 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: Should I be freaking Out?
Could be PCV system
If its coolant your low coolant will come on...(sometimes the IH gaskets leak into the intake)
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 Last edited by LGAFF; 06-04-2015 at 10:10 PM. |
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