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06-03-2017, 12:50 PM | #1 |
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Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Help! Need a new ECM for my eRod LS3
Here's the part numbers from the instruction sheet. Can anyone help me find a replacement? I've had no luck with google, gmpartsdirect, etc...
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible Last edited by davepl; 06-04-2017 at 07:59 PM. |
06-04-2017, 12:30 PM | #2 |
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Join Date: Aug 2006
Location: Redmond, WA
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Re: Help! Need a new ECM for my eRod LS3
Closest I can find so far is:
https://www.summitracing.com/parts/nal-19259291 ...but that's just based on a forum post I found where the guy had the same operating system as mine on it, so I still don't know for sure. Any help would be appreciated!
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
06-05-2017, 12:21 AM | #3 |
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Join Date: Oct 2011
Location: Las Vegas, NV
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Re: Help! Need a new ECM for my eRod LS3
PM and I can help. Should just need a E38 ECU. Do you have to have a Erod tune for emissions?
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06-05-2017, 02:37 PM | #4 |
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Location: Redmond, WA
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Re: Help! Need a new ECM for my eRod LS3
Thanks! But it turns out the ECM was OK after all. For some reason it would not start, then I connected to the ECM with HPTuners, then was able to start it. No idea... very weird.
I do have a copy of the original tune. It shows: Hardware: E67, GM Gen IV VIN: Some magic number followed by "LS3_REL7" Operating System: 12638778 In case it does ever need replacing, what are the odds I could grab just any random E67 ECM off eBay and load that tune onto it? I'd have to buy another HPT license for it I guess, and the VIN wouldn't update, but would it take the tune?
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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