[Whiterabbit]

Anyone heard of success stories of efi conversions on 258 4.2 wagoneer engine

 

[Simcoe]

Welcome to the forum @Whiterabbit! Maybe this might help you out.

https://www.4wdmechanix.com/Carburetion-Versus-EFI-Conversion-for-the-4.2L-Jeep-Inline-Six?r=1

 

[Whiterabbit]

Well, I have already moved on the Holley sniper. I returned vehicle to mechanics after flooding issues as well as failing Arizona emissions test badly.