[W126 Coupe] W126 Engine ideas

[Axel Wulff]

David,
 
There have been numerous attempts at converting an M117 engine to aftermarket EFI, some more successful than others.
 
Here is a link to one such effort on Benzworld.org:
http://www.benzworld.org/forums/w126-s-se-sec-sel-sd/1452439-budget-efi-conversion-thread.html
 
One refrain I keep hearing is that you're going to need a lot of time on a dyno. Depending on how close you've got such facilites and what their hourly rate is, it may the most expensive part of the project.

Regards,
Axel J. Wulff
610-731-5453 Cellular
610-572-4611 Home



 

> Date: Tue, 7 Sep 2010 08:40:38 -0700

> From: coloradocroat at yahoo.com

> To: mbcoupes at mbcoupes.com

> Subject: [W126 Coupe] W126 Engine ideas

> 

> Here is a question I would like to start exploring the possibilities for.

> 

> I have the 5.6L US engine and tranny out of my destroyed '91 560SEC laying 

> around. When I pulled the engine, I pulled it as one piece, and have most all 

> electrical parts for it. I am looking to put it eventually in my "work in 

> progress" '85 500SEC. 

> 

> Here are my thoughts/questions. I like the M117 engine and feel it is a strong 

> power plant, but as we all know the fuel injection is a bit archaic. I would 

> like to explore the options of taking the engine and putting on a "new" 

> aftermarket fuel injection and electronic system. Possibly incorporating an ECM 

> and fuel rails. 

> 

> I know some out there will say just either stick to original, or go to an M119 

> engine in total. Some of this is because I have the powerplant, some of this is 

> because I want something unique, and some of it is because I want to see if it 

> can be done. 

> 

> Question is, where to start looking? Is one major problem going to be 

> injectors? If I put in a complete unit I won't have to worry about integrating 

> into any of the existing electronics.

> 

> Hope that was murky enough for everybody!

> 

> David

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