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Benz CIS To EFI Conversion (diy ECU "Brain Box") - Car Talk - Nairaland

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Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 7:30pm On Dec 23, 2017
How to start? Well I did the most logical thing grin and sold my dependable honda for a Benz 10 years older..C124 1989 coupe..the drive was pleasantly different..power was up a lil....my honda was manual, no slouch when kept in the VTECH rev range. The problem started 2 weeks later I knew I was going to have some troubles but boy was I unprepared for the headache called Bosch continuous injection system...

I learnt fast the in and out then came to the realization that it was a loosing battle, parts were scarce and often in bad state.

Option 1 junk the motor buy a c class m111 4 cylinder engine
And convert.

Option 2 convert the m103 6 cylinder to EFI

I chose option 2 because it's harder....really its because I already have one( lowest budget possible), and the need to experiment ....and I love the howl of the 6 when revved hard!!!!

After so much research, head scratching, parts scrouging


https://www.youtube.com/watch?v=J2mSOEUshU0

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 9:10pm On Dec 23, 2017
Pic

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 6:59pm On Jul 04, 2020
This has subsequently been swapped with a m11.975 kompressor engine after running the DIY setup for about 2 years. The engine is now being controlled by a professionally made standalone controller LPC8 by Baldur from www.controls.is . All wiring and tuning has been done here by me.

2 Likes

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by NaijadrivaCars: 10:40pm On Jul 04, 2020
You do well Three Pointed Star Monk

2 Likes

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by dicksonadams(m): 3:56am On Jul 05, 2020
Nice

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by kingreign(m): 6:31am On Jul 05, 2020
Ok

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by HeavenlyBang(m): 8:01am On Jul 05, 2020
xfay:
This has subsequently been swapped with a m11.975 kompressor engine after running the DIY setup for about 2 years. The engine is now being controlled by a professionally made standalone controller LPC8 by Baldur from www.controls.is . All wiring and tuning has been done here by me.


This is honestly impressive.

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by thebigkendo(m): 9:16am On Jul 05, 2020
NaijadrivaCars:
You do well Three Pointed Star Monk
grin grin

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Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by AutoElectNG: 9:57am On Jul 05, 2020
xfay:
...but boy was I unprepared for the headache called Bosch continuous injection system...

I learnt fast the in and out then came to the realization that it was a loosing battle, parts were scarce and often in bad state.

Option 1 junk the motor buy a c class m111 4 cylinder engine
And convert.

Option 2 convert the m103 6 cylinder to EFI

I chose option 2 because it's harder....really its because I already have one( lowest budget possible), and the need to experiment ....and I love the howl of the 6 when revved hard!!!!

After so much research, head scratching, parts scrouging


https://www.youtube.com/watch?v=J2mSOEUshU0


Maximum respect for doing the sort of thing that is so hard to see on these streets.

Electrical engineer by any chance or avid enthusiast?

2 Likes

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 8:15pm On Jul 07, 2020
AutoElectNG:

Maximum respect for doing the sort of thing that is so hard to see on these streets.

Electrical engineer by any chance or avid enthusiast?

Electrical Engineer � +avid automech enthusiast

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 8:33pm On Jul 07, 2020
Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by AutoElectNG: 9:03pm On Jul 07, 2020
xfay:


Electrical Engineer � +avid automech enthusiast

Like what I saw.

Would like to see more of projects like yours, such as rusEfi, megasquirt, speeduino here as well

2 Likes

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 8:00am On Sep 24, 2022

https://www.youtube.com/watch?v=lzz1nqoisao

At it again from a different angle grin

190e V8 swap
Pls like and subscribe for updates

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by Kirkman: 9:38am On Sep 24, 2022
xfay:

https://www.youtube.com/watch?v=x3DJAJX12mU
Chai! Hearing the sound of that engine got me like grin. You sir; have done very well in terms of this conversion. I am sure this vehicle would serve you many more years. Apart from the engine did you make any other subtle changes to the car in terms of suspension, brakes, steering rack?

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 7:33am On Oct 29, 2022
With big engine comes 'big" Brake upgrade for the V8 190e. Will be using parts readily available in our local market here

https://youtu.b+e/X2f_UgyQFng

Pls like and subscribe to the channel, gunning for 100 subscribers soon

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by Kirkman: 4:34pm On Oct 30, 2022
xfay:

With big engine comes 'big" Brake upgrade for the V8 190e. Will be using parts readily available in our local market here

https://youtu.b+e/X2f_UgyQFng

Pls like and subscribe to the channel, gunning for 100 subscribers soon
Oga the YouTube link that you posted is not working at all..
Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by xfay(m): 9:01pm On Nov 02, 2022
Kirkman:

Oga the YouTube link that you posted is not working at all..
Sorry about that


https://www.youtube.com/watch?v=X2f_UgyQFng
Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by JohnMurphy(m): 4:26am On Nov 03, 2022
Woo, Impressive.

1 Like

Re: Benz CIS To EFI Conversion (diy ECU "Brain Box") by Sixaxis: 3:09pm On Dec 19, 2022
Pls, let’s chat.
08067444333

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