Join Date: Apr 2007
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I don't have much faith in the Lucas EFI, or any EFI system from the dawn of fuel injection for that matter. I have worked on too many of them and seen the same issues time and again. Poor management systems, cheap, low grade sensors/controllers and huge amounts of really quite atrocious wiring that is poorly routed, susceptibility to moisture/vibration and heat these and more are all failings of any late eighties/early nineties EFI systems. These systems are also a factory retrofit on engines developed for use with carbs so the various sensors and controllers are often located in ridiculous places. Add to that almost twenty years of use and its a recipe for eternal issue's.
I know how to repair it, and have done so countless times and I agree when it on it's game it's the dog's bollocks. And the current generation of engines designed from the ground up for EFI and direct injection with the variable valve timing etc. with higher grade components are just fantastic.
But I can't fix it miles away from civilization without carrying $$$$ worth of spare gizmo's, special tools and a comprehensive circuit diagram. And that is the real difference for me because that is where I want to take my Rangie. I have also noted recently that the quality of replacement electrical parts is not what it once was and good used Rangie parts are rare and expensive in this neck of the woods.
Fuel consumption and emissions will not be any different with a well tuned carb system vs EFI the only down side is the ability of the EFI to adapt better to altitude changes and withstand high angle maneuvers such as long, steep hill climbs and rock crawling. But those are compromise's I am willing to accept as I have wheeled Carb fed vehicles for years (Older Rangies, Series I,II,IIA,III,90,110 and domestic pick-ups) and have always been able to overcome these issues.
Anyway, that's my reasoning behind the carb swap. It will most likely be different for others and that's ok.
"Your only supposed to blow the BLOODY DOORS OFF" Charlie Croaker. The Italian Job. 1969.
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