EFI for older 258's?

EFI for older 258's?
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20
Thanks
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Location
Edmonds, WA
Vehicle(s)
1974 CJ5 (current)
258 I6, T-18, D-20, D-30, D-44

1975 CJ5
304 V8, T-15, D-20, D-30, D-44, Renegade, Levi Edition
Did a search but couldn't find what I was looking for so....

Can anyone tell me if the Mopar 4.0L EFI kit can be used with an original 1974 258?:drool: Would you need to swap heads to a later version - is that possible? Or would an entirely "new" engine need to be used (from the 80's or 90"s)? :confused:

Thanks in advance.
 
you are looking to put multi port injection on the 4.2??


Did a search but couldn't find what I was looking for so....

Can anyone tell me if the Mopar 4.0L EFI kit can be used with an original 1974 258?:drool: Would you need to swap heads to a later version - is that possible? Or would an entirely "new" engine need to be used (from the 80's or 90"s)? :confused:

Thanks in advance.
 
you are looking to put multi port injection on the 4.2??

Yes, thinking about it. Just would like to know if its do-able. What else would need to be changed to use this original block? Head? Exhaust manifold? Would it be better to use a newer engine? and if so, what years would work. Want to stay with a straight six, preferably the 258.
 

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