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| View Poll Results: Who Still Has Functional Secondaries On Their ZR-1? | |||
| I Have Functional Secondaries |
   
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29 | 69.05% |
| My Secondaries Are Not Functional |
  
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13 | 30.95% |
| Voters: 42. You may not vote on this poll | |||
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05-22-2022
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#11 |
 
Join Date: Jun 2015
Location: Morris, IL
Posts: 176
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Re: Secondaries
My 91 Turq has them. Still work perfectly at 93,000 miles, 368 rebuild about 15,000 miles ago. The engine builder retained them.
20210717_203903.jpg Sent from my SM-G955U using ZR-1 Net Registry mobile app |
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05-23-2022
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#12 | |
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,826
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Re: Secondaries
Quote:
 I have one ZR-1 with secondaries eliminated and other ZR-1s with completely functional Secondaries 
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05-23-2022
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#13 |
 
Join Date: Dec 2020
Location: Pittsburgh
Posts: 147
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Re: Secondaries
Yup Mine are still functioning. I turn that key every time I pull it out of the garage! '92 - 20kmiles
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05-24-2022
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#14 |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,491
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Re: Secondaries
Well, just to B different here, mine are eliminated due in part b/c they were smaller than the ports after I ported the runners. (37.5mm+). But, even before the porting, I had Marc eliminate that "feature" after my 2nd dive under the plenum fixing chit (leaks). I've NEVER missed them for a second.
And, I love the instantaneous throttle response! Good riddance! Besides...Parts that don't exist don't cost much and they seldom break!
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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05-25-2022
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#15 |
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Join Date: Oct 2018
Location: Branson, MO
Posts: 17
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Re: Secondaries
1990 #254 still on and working great!
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05-26-2022
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#16 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,147
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Re: Secondaries
Removed
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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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05-26-2022
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#17 |
Join Date: Aug 2004
Location: Spring Grove ,Pa.
Posts: 257
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Re: Secondaries
Marc deleted them on my 91 Z . Not complaining though . Don't miss them .
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91 Turquoise Metallic Haibeck 525 #0134 |
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05-26-2022
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#18 |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,396
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Re: Secondaries
Cool feature for a stock engine. Not much use for them after porting for a full boogie 416, so they are removed.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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06-02-2022
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#19 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,706
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Re: Secondaries
Agree w Jerry and Paul. I never liked that split second hesitation built into the secondary port activation. Felt like turbo lag.
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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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06-05-2022
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#20 |
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Join Date: Sep 2012
Location: United Kingdom
Posts: 68
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Re: Secondaries
Both my 1990 ZR-1's have working secondaries, which I intend to retain. My black car has run 11.7 / 118 in the quarter after having the plenum and injector housings ported, but retains the functional secondaries.
Sent from my iPad using ZR-1 Net Registry
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Richard 1990, numbers 1821 and 2391 1821 - owned since Nov 2002, charcoal / Gray, Stainless headers, B&B system, 4.10's 2391 - owned since Jan 2019, Black / Black, have completed restoration. Jeal headers, Corsa system, 4.10's, Aluminum flywheel with Carolina clutch. |
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