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Posted
12 hours ago, NwiComanche said:

So I recently purchased a 1989 inline 4 

 

when you get a chance, you should put your truck's specs in your signature. :L: 

 

what size tires are what gearing are you at now?

Posted
I supercharged my 89, I also converted from TBI to MPFI.
20190720_185400.jpg.682e3e4f3c1ea57d00c02eecaa2bca97.jpg

How hard is it to convert to mpfi? Wanna do this but have no clue where to start. What all is needed?


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Posted

You need the engine and dash harnesses from an MPFI MJ/XJ, the ECM, gauge cluster, fuel pump/sending unit, fuel lines,flywheel, a complete MPFI engine and pretty much everything that plugs into it, and a few other things.

 

It's much easier to put in a complete MPFI 2.5l, but you could strip your TBI 2.5l down and redress it as an MPFI.

 

It's a pretty big project and rarely done, which is why you don't see much information on the swap.

 

 

Posted
On 2/5/2020 at 1:55 PM, eaglescout526 said:

I would do an MPFI set up on another 2.5L but finding a 2.5L of that config is not an easy feat itself.

 

They're out there. 91-2000 XJ or MJ, 91-20?? Wrangler.

Posted
13 minutes ago, Eagle said:

 

They're out there. 91-2000 XJ or MJ, 91-20?? Wrangler.

Yeah but I have to find one that is rusted and no one wants. That’s the problem I run into with living in the rust free states. 

Posted
2 minutes ago, eaglescout526 said:

Nope. 2002 TJ was the last year for the AMC 2.5L. After that it was the Chrysler 2.4L DOHC.

OK..........2006 for the 4.0, my mistake. 

 

 

Either way.......you all are chasing dead rabbits down shallow holes. 

Posted

I just keep an eye out for people doing swaps, many of them just want the 4banger stuff out of their garage. 

 

 

 

 

 

 

 

Posted
37 minutes ago, mnkyboy said:

I just keep an eye out for people doing swaps, many of them just want the 4banger stuff out of their garage.

 

truth

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