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Old 03-27-2012   #1
RHanselman
 
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Default A few ECM Questions...

I would appreciate some help...

1. Is our ECM case the same as any of the LT1' cases?
2. What are the part numbers for the 4 ECM connectors in the case?
3. Are the individual connectors for our ECM case the same as any LT1?
4. Are these connectors still available?

And yes, I have a ECM project...

I'm also looking for a bad ECM that I can use for parts...

Cheers,
Ron

Last edited by RHanselman; 03-27-2012 at 09:27 PM.
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Old 03-27-2012   #2
VetteVet
 
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Default Re: A few ECM Questions...

Ron,

EFI Connection can hook you up with the connectors and pins.

I can't link directly to it, but go to this link:

http://www.eficonnection.com/eficonn...torSearch.aspx

and then select 22 cavities, all colors and all genders.

The connectors will come up. Order one of each and the appropriate terminals and you are good to go. Warning, it will lighten your wallet a bit!

Jep
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Old 03-27-2012   #3
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Default Re: A few ECM Questions...

The LT1 ECM is in an entirely different case (aluminum body). However, the L98 ECM appears very similar externally. I believe that's the '727 ECM.

Andrew
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Old 03-27-2012   #4
RHanselman
 
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Default Re: A few ECM Questions...

Quote:
Originally Posted by VetteVet View Post
Ron,

EFI Connection can hook you up with the connectors and pins.

I can't link directly to it, but go to this link:

http://www.eficonnection.com/eficonn...torSearch.aspx

and then select 22 cavities, all colors and all genders.

The connectors will come up. Order one of each and the appropriate terminals and you are good to go. Warning, it will lighten your wallet a bit!

Jep
I'm actually looking for the connectors that are on the ECM not the harness...

Thanks...
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Old 03-27-2012   #5
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Default Re: A few ECM Questions...

Quote:
Originally Posted by VetteMed View Post
The LT1 ECM is in an entirely different case (aluminum body). However, the L98 ECM appears very similar externally. I believe that's the '727 ECM.

Andrew
I think those aluminum cased ones are only in the '94-'96 LT1 cars. The '92-'93 cars have the same case as the ZR-1. I used to have a '93 LT1 and the ECM looked the same as the one in my '90 Z.
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Old 03-28-2012   #6
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Default Re: A few ECM Questions...

Quote:
Originally Posted by bdw18_123 View Post
I think those aluminum cased ones are only in the '94-'96 LT1 cars. The '92-'93 cars have the same case as the ZR-1. I used to have a '93 LT1 and the ECM looked the same as the one in my '90 Z.
Ahh, good to know!
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Old 03-28-2012   #7
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Default Re: A few ECM Questions...

Quote:
Originally Posted by RHanselman View Post
I'm actually looking for the connectors that are on the ECM not the harness...

Thanks...
In THAT case.

the connectors on the 90-91 L98 and 92-93 LT1 will work

the ECMs share the SAME PCB connectors if I am not mistaken..

I have 2 of the 7727s which could work for parts for your project. However, the internals are different.
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Old 03-28-2012   #8
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Default Re: A few ECM Questions...

The LT5 ECM's are a much thicker case than the L98/LT1
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Old 03-28-2012   #9
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Default Re: A few ECM Questions...

Quote:
Originally Posted by limey View Post
The LT5 ECM's are a much thicker case than the L98/LT1
Hmm did not know that Im sure Cliff did however.
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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 03-28-2012   #10
GOLDCYLON
 
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Default Re: A few ECM Questions...

Did the MY 94 and MY 95 ZR-1 get the aluminum ECM covers like the LT1 and LT4 received later in 96. Or did all Zs stay with the same plastic ECM?
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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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