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Old 04-24-2011   #1
sammy
 
Join Date: Jun 2010
Location: back in lone pine
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Default i am doing a secondary delete tomarrow for....

a friend . we have marks prom allready . is there any tip someone can share as to the best way to wire open the secondaries .thanx for any help you can provide
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Old 04-24-2011   #2
GOLDCYLON
 
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Default Re: i am doing a secondary delete tomarrow for....

Dom did this fairly recently as did Andrew I believe
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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 04-24-2011   #3
ZR1@gmx.com
 
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Default Re: i am doing a secondary delete tomarrow for....

Quote:
Originally Posted by sammy View Post
a friend . we have marks prom allready . is there any tip someone can share as to the best way to wire open the secondaries .thanx for any help you can provide
It is fairly straight forward to just remove the plates, bearings and all, then plug the holes. I think I have some photos I will try to dig up!
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Old 04-24-2011   #4
sammy
 
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Default Re: i am doing a secondary delete tomarrow for....

the person i am doing it for doesnt want to remove the plates or butterflies as he will have to pass ca smog once every 2 years . do we have to remove the actuators? and what does everyone use to keep them open /?
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Old 04-25-2011   #5
mike100
 
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Default Re: i am doing a secondary delete tomarrow for....

what if you leave the actuators for now and just hook them to manifold vacuum?

that will force them open to test out your chip function. Other than that, I almost want to suggest an old fashioned pull cable like on a choke for a carbed car. need to do it twice though.
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Old 04-25-2011   #6
Paul Workman
 
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Default Re: i am doing a secondary delete tomarrow for....

Quote:
Originally Posted by mike100 View Post
what if you leave the actuators for now and just hook them to manifold vacuum?

that will force them open to test out your chip function. Other than that, I almost want to suggest an old fashioned pull cable like on a choke for a carbed car. need to do it twice though.
Well, a little easier than that, actually. Dom used a plastic tie-wrap to strap the throttle plates open.

Also, you then need the chip programmed to run the secondary injectors "full" time and halve the primary dwell time (closed loop). The vacuum line is disconnected from the vacuum sensor to be exposed to atmospheric pressure which the new program reads as "normal" i.e., no codes are thrown sans vacuum.

To return to stock, just snip the tie-wraps, swap the chip, restore the vacuum circuit and it's good to go.

But, ya know...I would be tempted to see if it would pass emissions testing with the secondaries open. The stock tune at the low end of the rpm band, according to Marc, is a little "fat" anyway. So...it raises the question: Will it pass regardless of the secondary system being nulled? Just a thought.

As for the "choke cable" scenario, that is intriguing! An external actuator, if you will, would eliminate a plenum pull. Tho pulling the plenum is a snap, (once you do it a couple times to establish a routine) the fewer times those connectors are pulled apart and reinstalled...the better, I recon!

P.
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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

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Old 04-25-2011   #7
Paul Workman
 
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Default Re: i am doing a secondary delete tomarrow for....

Quote:
Originally Posted by GOLDCYLON View Post
Dom did this fairly recently as did Andrew I believe
Yep. But, that was on the car he wrecked. His "Roza Nero" has the secondaries removed entirely (he said last Saturday).

P.
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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

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Old 04-25-2011   #8
VetteMed
 
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Default Re: i am doing a secondary delete tomarrow for....

No secondaries here! Love it!
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Old 04-25-2011   #9
GOLDCYLON
 
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Default Re: i am doing a secondary delete tomarrow for....

When the new block goes in Im doing this as well. Andrew are there any SES codes when you do this ?
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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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Old 04-25-2011   #10
VetteMed
 
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Default Re: i am doing a secondary delete tomarrow for....

Quote:
Originally Posted by GOLDCYLON View Post
When the new block goes in Im doing this as well. Andrew are there any SES codes when you do this ?
First time around I had some lean codes, even with the Haibeck chip. However, those disappeared after new FIC injectors and new fuel pumps were installed. Not a peep out of the ECM since then

Andrew
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