Swap carb with fuel injection on 4.0 motor - Jp Magazine Forums at Jp Magazine JP Magazine

Swap carb with fuel injection on 4.0 motor

  
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Swap carb with fuel injection on 4.0 motor

 
my84cj my84cj
New User | Posts: 1 | Joined: 11/08
Posted: 11/21/08
04:22 PM

I have a 91 xj that has a good fuel injector system in it and I have a 88 yj that has a carb in it .I would like to put the injector set up in my yj. They both have a 4.0 in them. Could you help me out on where to go to find info on how to do the swap and what I will need to get to do this job.Thanks  

 
ftgiles ftgiles
Addict | Posts: 2038 | Joined: 05/08
Posted: 11/21/08
09:01 PM

The YJ has a 258 not a 4.0L (242). People put the 4.0L head and injection on their 258 all the time. It requires you to weld up some of the water jacket holes.

Do a search using "258 4.0L head swap". You'll find tons.

Click here for one write up.  

 

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