Engine Swap - Renix Computer System?

[mzairboy]

I am interested in putting a Mercedes Diesel or V8 in my 89 Comanche. That, or an engine rebuild and add a turbo. Not sure what I want to do yet, I need to do more research.

 

The questions I have are mostly about the Renix electronics. I don't think too many things are computer controlled like the new JK wranglers, but I want to double check. As far as electronics go, is a swap relatively easy, or do I need to match up injection systems and so forth and so on? Ideally, I would like to plop a diesel or V8 in (with necessary modifications) without having to worry about electronic interference. I know you can put basically anything in older Jeeps like CJs, but I'm not sure about Comanches. You can view my truck here: http://comancheclub.com/topic/38783-mzairboys-comanche/

 

Thanks for your input!

[Eagle]

The Renix system controls both ignition (which a diesel doesn't have) and injection. The injection is calibrated to maintain an optimum air/fuel mixture for gasoline, in a 4.0 liter gasoline engine. Basically, regardless of whether it's a Renix system or a newer Chrysler system, none of the engine controls will be usable for a diesel conversion. You will have to get the injection and controls with the engine, and figure out for yourself how to integrate it into the chassis wiring harness. Not even the tachometer will work, since the Jeep tach operates off the ignition signal, and with a diesel there is no ignition.