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| View Poll Results: Did you eliminate your Secondary Throttle Vacuum System? | |||
| Yes. |
   
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21 | 55.26% |
| No. |
  
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17 | 44.74% |
| Voters: 38. You may not vote on this poll | |||
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08-11-2018
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#41 |
Join Date: May 2013
Location: Chicago
Posts: 974
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Anyone notice lower fuel mileage after removing the secondaries?
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1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black *Sold* 1985 L98 Blue On Blue *Sold* |
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08-11-2018
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#42 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,660
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Quote:
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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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08-11-2018
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#43 | |
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Join Date: May 2013
Location: Chicago
Posts: 974
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Quote:
I assume all 16 injectors will run all the time versus 8 under normal driving conditions.
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1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black *Sold* 1985 L98 Blue On Blue *Sold* |
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08-11-2018
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#44 | |
   
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,152
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Quote:
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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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08-11-2018
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#45 |
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Hard to tell, my foots always in it. I guess from that perspective mileage is worse because you want to floor it all the time.
H 
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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08-11-2018
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#46 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,660
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Quote:
__________________
[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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08-11-2018
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#47 | |
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Join Date: May 2013
Location: Chicago
Posts: 974
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Re: Did you eliminate your Secondary Throttle Vacuum System?
Quote:
That make sense, thanks for the info.
__________________
1993 ZR-1 #211 Yellow On Beige Beast #2 1992 ZR-1 #427 Black On Black *Sold* 1985 L98 Blue On Blue *Sold* |
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08-12-2018
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#48 |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: Did you eliminate your Secondary Throttle Vacuum System?
@ 70 mph in cruise I got 26.4 mpg (as I recall). That was almost identical to what I got before deleting the secondaries.
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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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08-21-2018
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#49 |
 Join Date: Jan 2004
Location: Alex VA
Posts: 1,087
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Re: Did you eliminate your Secondary Throttle Vacuum System?
I didn't notice any difference in MPG with them removed
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95 390 LPE ZR1 (505 rwhp) LSV = Lingenfelter Super Vette Twin Turbo 2003 Z06 (800 RWHP) |
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