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#1 |
Join Date: Nov 2005
Location: Amarillo, Texas
Posts: 47
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I have a corsa exhaust system on my ZR-1 and it backfires between shifts or when I let off the gas after getting on it some in the lower gears. My question is should I get the corsa exhaust system welded up. I installed it using corsa's wide pipe clamps. All stock except corsa exhaust and a Haibeck chip.
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#2 |
![]() ![]() Join Date: Jun 2005
Location: pittsburgh
Posts: 4,633
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hum, that doesn't sound right. I can't remember the car I drove with corsa's on it doing that. When I talked to mark last about doing a chip fo the exhaust he said it shouldn't be necessary as the exhaust alone shouldn't cause a problem
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It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B" |
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#3 |
![]() Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
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Mine pops from time to time when the engine is cold.
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#4 |
![]() ![]() ![]() Join Date: May 2007
Location: Peoria, AZ
Posts: 9,154
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Have you done any top end porting on the car? If you did you get the chip asjusted?
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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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#5 |
![]() Join Date: Mar 2004
Location: Found Member
Posts: 4,346
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It can be easily fixed with a chip change. Talk with your chip tuner.
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Frank Urbo. NCM Lifetime member # 982 Registry Founding # 237 |
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#6 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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Where is the popping occurring? Up front, mid or at end of exhaust? Could indicate air leak. Unburned fuel/air ignited by fresh air. At decel, the high vacuum will suck air into the exhaust causing ignition.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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#7 |
Join Date: Nov 2005
Location: Amarillo, Texas
Posts: 47
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The popping occurs out the exhaust tips. I never have really liked the corsa clamping even though they are the wide band type. I may just try and get the system welded up. Just got to try and find a shop that will do a good job. Just wondering if it can be welded in place.
When I had Mark do the chip he knew the car was stock except the exhaust. |
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#8 | |
![]() Join Date: Mar 2004
Location: Found Member
Posts: 4,346
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![]() Quote:
Do you have cat's ? Also did you tell Marc that you do / not have cat's ?
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Frank Urbo. NCM Lifetime member # 982 Registry Founding # 237 |
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#9 | |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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#10 |
Join Date: Nov 2005
Location: Amarillo, Texas
Posts: 47
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It does have cat's. Should I go to an x-pipe?
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