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Old 06-06-2014   #11
Paul Workman
 
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Default Re: Help! Unable to rev past 5000

Quote:
Originally Posted by Tony Davila View Post
Last time that same situation happened to me I found out I had a weak primary fuel pump. Fuel Pressure looked good static but could not keep up with requirement. Replaced pump and it would now rev passed 7K.
Ah! Good point. A partially plugged fuel filter and a bad secondary pump was revealed by taping a fuel pressure gauge to the windshield. At WOT pressure would drop to around 43#...NOT good. Filter and a pump fixed it.

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Old 06-06-2014   #12
USAZR1
 
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Default Re: Help! Unable to rev past 5000

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Originally Posted by GOLDCYLON View Post
Spark controller? Are you stating a DIS or a Quad Driver?
Pardon my ignorance,Darryl,but what is a Quad Driver? Never heard that term,before.
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Old 06-06-2014   #13
chriskinzel
 
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Default Re: Help! Unable to rev past 5000

I have a fuel preassure gauge mounted on the 'a' pillar. Good fuel preassure. I have the sheet metal insert in the accordion air intake. Marc sent me a known good DIS module. I also have a Tech-1, and there are no codes. I talked with Marc today and he wants me to change the 'Crank Positioning' sensor. I will do that tonight or tomorrow. Wish me luck. Thanks for all of the ideas!

Thanks
Chris
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Old 06-06-2014   #14
GOLDCYLON
 
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Default Re: Help! Unable to rev past 5000

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Originally Posted by USAZR1 View Post
Pardon my ignorance,Darryl,but what is a Quad Driver? Never heard that term,before.
They mount next to the frame and the battery and control the Secondaries in concert with the DIS. The Quad drivers come in pairs and command 4 injectors each of the secondaries hence the name "Quad" I forget which year no longer has them but it might be 93 and up with the 405HP release.
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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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Old 06-06-2014   #15
GOLDCYLON
 
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Default Re: Help! Unable to rev past 5000

Quote:
Originally Posted by chriskinzel View Post
I have a fuel preassure gauge mounted on the 'a' pillar. Good fuel preassure. I have the sheet metal insert in the accordion air intake. Marc sent me a known good DIS module. I also have a Tech-1, and there are no codes. I talked with Marc today and he wants me to change the 'Crank Positioning' sensor. I will do that tonight or tomorrow. Wish me luck. Thanks for all of the ideas!

Thanks
Chris
Quad drivers or fuel filter would be my next guesses. Crank sensor is an easy replacement.
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GOLDCYLON - 91 ZR-1 #2014
GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

GOLDCYLON - 11 CTS-V


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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; 06-06-2014 at 06:28 PM.
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Old 06-06-2014   #16
USAZR1
 
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Default Re: Help! Unable to rev past 5000

Quote:
Originally Posted by GOLDCYLON View Post
They mount next to the frame and the battery and control the Secondaries in concert with the DIS. The Quad drivers come in pairs and command 4 injectors each of the secondaries hence the name "Quad" I forget which year no longer has them but it might be 93 and up with the 405HP release.
Any have a photo of a Quad Driver? I know what a DIS looks like.
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1994 ZR-1 White/Red #152 (sold)
1991 ZR-1 Callaway Aerobody #1332 (sold)
1990 ZR-1 Red/Red #952 (sold)
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Old 06-06-2014   #17
GOLDCYLON
 
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Default Re: Help! Unable to rev past 5000

Quad Driver AKA Secondary Injector Relays. Come in pairs. Rare as hensteeth. Long NLA Henco en Canada









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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; 06-06-2014 at 08:03 PM.
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Old 06-06-2014   #18
chriskinzel
 
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Default Re: Help! Unable to rev past 5000

When I read the FSM it says that the quad driver runs the secondary injectors. If I am running Marc's chip wouldn't the injectors be running all the time? Not just after 5000rpm? If this was the problem, wouldn't the rpm's just rise slower, and not just cut out? Don't know much about these just asking. Ya all keep thinking out there.

Chris
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Old 06-06-2014   #19
GOLDCYLON
 
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Default Re: Help! Unable to rev past 5000

Quote:
Originally Posted by chriskinzel View Post
When I read the FSM it says that the quad driver runs the secondary injectors. If I am running Marc's chip wouldn't the injectors be running all the time? Not just after 5000rpm? If this was the problem, wouldn't the rpm's just rise slower, and not just cut out? Don't know much about these just asking. Ya all keep thinking out there.

Chris
They still command the secondary injectors. Don't know I haven't experienced what you have either before. Check the Crank sensor and the fuel filter first which are easy to do. This is just one of the possibilities since to me it appears your secondary's are not engaging. Since these fire secondary injectors its a good guess.
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GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

GOLDCYLON - 11 CTS-V


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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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Old 06-06-2014   #20
chriskinzel
 
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Default Re: Help! Unable to rev past 5000

I will be changing crank sensor and fuel filter tomorrow. I don't know what to do about the quad drivers. Keep your fingers crossed!

Chris
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