The world's first Lotus Emira I4 ECU

[docron]

I want the flames! (Safely of course)

 

[docron]

Doc and I (and others) who came from 4C world (and other makes/models) are used to having a spare clone ECU. I drove with my stock ECU in the trunk in my 4C while the tuned one was in. On that platform the cloned ECU would get vin locked to the car but you could just swap out stock and clone anytime you wanted. This was also a good way to deal with smog depending on the hardware configuration.

So some questions as we learn more are: is this same methodology possible? buy an ECU, place flash on that one and use it like a clone, keep stock one stock. Also, whenever there was a firmware update to the 4C, EuroCompulsion would get a copy of an updated stock ECU, then you would send your clone to them for updates and then they would place your previous used tune and settings on it. I don't know what modules or how many computers get updated whenever we get these dealer flashes and updates. Especially with the important transmission and fuel system control module updates coming.

Exciting! again, I am so looking forward to dialing out CEL's and adding some burbles, and whatever tricks the tuner is able to access in the car.

This is what we had for our 4Cs. One ECU with stock tune and one clone ECU with Eurocompulsion tune(s) on it.

Im hoping Boomgear (or whoever the Chinese tuner is) can offer something similar.

 

[Emira Fan]

anyone know where the ECU is located and approx time to R&R?

 

[Milk242]

anyone know where the ECU is located and approx time to R&R?

under the engine cover, sits on top of the air intake filter forming part of the lid of the air intake.

edit:
it's basically the same as the A45s amg or CLA45s amg. Lotus modified/created a new tube that connects the side vent to the intake box instead of Mercedes tube that connects to the radiator area on their cars

 

[HankRS225]

Yes, 470 hp and 600+ Nm should be no problem, but I’d probably need some cooling upgrades to get that consistently here. Starting off slow, we can always take a step up later.

Going from 360 to 420-430 is a good first step for me

You can easily going from 360 to 430 via JB4 with no issue. Id recommend go the easy way.

The real merit of Hacked ECU is making your 360 to 470 or more, that's something out of piggybacks capabilities.

 

[Emira Fan]

under the engine cover, sits on top of the air intake filter forming part of the lid of the air intake.

Well that couldn't be simpler, a bit surprised its not in a conditioned space. However, the the intake air might help keep the assembly is a good range.
Thanks Milk242

 

[675430VME]

Sneak peak of stage 1+

 

[Beachbum]

Sneak peak of stage 1+
View attachment 70295

The US Airforce called, they want their B2 back

 

[675430VME]

This is what we had for our 4Cs. One ECU with stock tune and one clone ECU with Eurocompulsion tune(s) on it.

Im hoping Boomgear (or whoever the Chinese tuner is) can offer something similar.

View attachment 70280

Exactly!

 

[Nova]

Sneak peak of stage 1+
View attachment 70295

That is such a wide and useful powerband. Also, the massive torque down low is going to make the car very entertaining even just moving around town.

 

[675430VME]

That is such a wide and useful powerband. Also, the massive torque down low is going to make the car very entertaining even just moving around town.

It completely changes the car. Tour mode finally has its use, now I can feel the push starting from 2500 rpm in tour mode. This AMG engine is really something!

 

[Kaz]

It completely changes the car. Tour mode finally has its use, now I can feel the push starting from 2500 rpm in tour mode. This AMG engine is really something!

This is super exciting looking forward to all the info you can share when ready!

If possible ask about process of custom tuning for things like various aftermarket parts (downpipe, cat deletes, etc.) and for methanol injection. For my 4C what my shop did was run logs with the new tune and methanol active and sent that to EuroCompulsion, EC made adjustments to the tune and I sent the ecu back again to reflash...hope something like that is possible.

 

[allenyao09]

Now the i4 ECU has been cracked, I'm really hoping to see the V6 ECU as well.

 

[675430VME]

This is super exciting looking forward to all the info you can share when ready!

If possible ask about process of custom tuning for things like various aftermarket parts (downpipe, cat deletes, etc.) and for methanol injection. For my 4C what my shop did was run logs with the new tune and methanol active and sent that to EuroCompulsion, EC made adjustments to the tune and I sent the ecu back again to reflash...hope something like that is possible.

We have done a few dyno today.
Bone stock
Intake and full exhaust
Intake and full exhaust with JB4 Map4
Intake and full exhaust with Stage 1 ECU Flash
Intake and full exhaust with Stage 1+ ECU Flash
Intake and full exhaust with Stage 2 ECU Flash

 

[675430VME]

Now the i4 ECU has been cracked, I'm really hoping to see the V6 ECU as well.

It can be done using the same method

 

[Kaz]

We have done a few dyno today.
Bone stock
Intake and full exhaust
Intake and full exhaust with JB4 Map4
Intake and full exhaust with Stage 1 ECU Flash
Intake and full exhaust with Stage 1+ ECU Flash
Intake and full exhaust with Stage 2 ECU Flash

Intake = dry filter? or charge pipe

 

[675430VME]

Intake = dry filter? or charge pipe

SF high flow filter