Search:

Yes, it is the single exhaust port and definitely the LFX engine. Problem was, I ordered the engine after they had started disassembly of the car and the original ECM had already gone into...

What about needing a different OS to go from the LLT to the LFX; Will I need to, can EFILive do it?
And the CASE or other relearn functions? Needed and can they be done by EFILive?

The LFX in a 3800 lb Camaro and rear gearing around 3.24 gets 30MPG (US Gals). In a 2300 lb (roughly) Chevette with 2.19 rear gears, should be around 50 MPG. With the stock 323 HP, that's also a...

The factory labels are still in place with the following:

E39A 12655478 ABMX
Serv# 12653998 86ABMXC123511390

and the factory LFX engine harness plugs into this ECM perfectly.

I read that...

I have discovered that the salvage yard, from which I purchased the engine/trans, sent me an ECM from a 2013 Acadia with the VIN "D" LLT engine and AWD. So, that begs a couple more questions. Will...

I'm a blockhead, obsessive compulsive engineer, so you can figure out which road I will opt for :wave:

Thanks for the information. I believe the KISS approach of just ECM/TCM is the way to go. Two questions on this approach -

I couldn't find confirmation on the EFI Live website, but I would have...

I have gotten feedback from several sources that say doing engine swaps like I’m wanting to do is not a problem. After considering the situation, I have come to the conclusion that the security...

Forget AllData for service information. Use www.ACDelcoTDS.com
A three day subscription for $20 gets you access to ALL GM service information for all vehicles.
Once you find the information you...

I purchased a 2013 Camaro 3.6 LFX and 6L50 transmission with the E39 (E39A?) ECM for installation in a Chevette. I have accessed the factory service manual to try and get a handle on the controller...