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03-31-2019
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#1 |
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Join Date: Mar 2019
Location: Spokane, WA
Posts: 4
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Picked up an LT5 and ZF
I just picked up an lt5 and zf tranny. Got a really really good deal on it but it doesn't have the ECM so I may be SOL with my plan to retrofit it into a 2nd gen Camaro. Haven't done any research on if that conversion is even possible. Deal was so good I couldn't pass it up. Engine supposedly came out of a 90 zr1 with 27k miles. Car was rolled 15+ years ago and engine was pulled.
Any ideas on if ECM's are even available, who might I contact. Worst case senario I have a cool engine for garage decor. |
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03-31-2019
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#2 |
 
Join Date: Oct 2017
Location: TX
Posts: 1,967
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Re: Picked up an LT5 and ZF
You are in the right place for LT5 information. A bunch of knowledge amongst the members.
My first thoughts for an ECM would be Marc Haibeck. (ZR1specialist.com). Also, Jerry @ Jerrysgaskets.com. Sure others will speak up with ideas. 
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Kenny 1990 #442 
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03-31-2019
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#3 |
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Join Date: Jan 2015
Location: Marietta, GA USA
Posts: 1,160
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Re: Picked up an LT5 and ZF
I agree with Kenny about who best to contact. The MegaSquirt people have an aftermarket ECU. Do you have the harness/loom? And does the engine have all of the stuff housed under the plenum?
2nd gen Camaro, that would be cool. |
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03-31-2019
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#4 |
 
Join Date: May 2010
Location: Japan
Posts: 3,556
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Re: Picked up an LT5 and ZF
Congrats! Nice find and it sounds like a nice project when you acquired all the components.
Sent from my iPhone using ZR-1 Net Registry
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Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048 
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04-01-2019
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#5 |
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Join Date: Oct 2018
Location: ohio
Posts: 68
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Re: Picked up an LT5 and ZF
You could do what I am doing and run megasquirt. It will be much easier to tune the the factory computer as you don't need to mess with chips. Megasquirt can tune the fuel tables its self too with auto tune.
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04-01-2019
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#6 |
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Join Date: Mar 2019
Location: Spokane, WA
Posts: 4
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Re: Picked up an LT5 and ZF
Thank you for the info. Good to know that there is an aftermarket solution.
Some questions. Engine will not be going in a ZR1. -Are the electrical connections/ports coming out under the rear of the plenum for the ICM? - I don't have the engine harness, if I go with the megasquirt system do I need it? - If I used the megasquirt system do I use the ICM? - If I need the harness are the 90-95 harnesses the same? I'm pretty fluent in LS stuff, not some much with this C4 LT5. |
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04-01-2019
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#7 |
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Join Date: Oct 2018
Location: ohio
Posts: 68
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Re: Picked up an LT5 and ZF
You do not have to use the icm. I am going to be using LS coils as they have built in ignitors and I have used them successfully with megasquirt before. They are easy to wire up and require just 4 wires per coil. I havnt looked over all of the connectors on the engine yet but most I have seen are standard GM weatherpack connectors so it would be fairly easy to make a harness.
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04-01-2019
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#8 |
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Join Date: Mar 2019
Location: Spokane, WA
Posts: 4
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Re: Picked up an LT5 and ZF
Found out the flywheel and clutch is not there, kinda bummed about that. Although for $3k I still would have bought.
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04-01-2019
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#9 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,137
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Re: Picked up an LT5 and ZF
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 Last edited by -=Jeff=-; 04-01-2019 at 11:09 PM. |
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04-01-2019
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#10 |
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Join Date: Sep 2004
Location: Limon, CO
Posts: 126
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Re: Picked up an LT5 and ZF
Mega-squirt has developed an ECM for the LT5 and should be available thru Jerry's Gaskets. It is the unit on my Raptor twin turbo.
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If life is just a highway, then the soul is just a car. meatloaf |
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