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View Full Version : mopoor 258 efi konversion


robertf03
04-19-2006, 07:05 PM
4.0 intake and an almost complete 94 yj harness, no headlight portion but dash stuff is still there.


175
Reckless
04-19-2006, 07:15 PM
temptation. what all is included with this
robertf03
04-19-2006, 07:17 PM
temptation. what all is included with this


included is the following:

4.0 intake and an almost complete 94 yj harness, no headlight portion but dash stuff is still there


:flipoff2:
Reckless
04-19-2006, 07:18 PM
I know that much, so this "konversion" will make a 258 into efi without much problems.
robertf03
04-19-2006, 07:19 PM
I know that much, so this "konversion" will make a 258 into efi without much problems.

probably not, but its in my way
sasquatch
04-19-2006, 07:20 PM
robbie?
J Cooper
04-19-2006, 07:40 PM
ya robbie this is what i was talking to you about
agjohn02
04-19-2006, 07:49 PM
wheres the head?
robertf03
04-19-2006, 07:50 PM
wheres the head?


underneath the sand bunker near the 17th hole of an undisclosed golf course
CheapJeep
04-20-2006, 02:47 AM
Definitely interested, only thing is I'd have to find a 4.0 H.O. head, but I'm sure I could find one in a "yard". Tommy, do you still have yours?
TMatheaus
04-20-2006, 10:47 AM
Definitely interested, only thing is I'd have to find a 4.0 H.O. head, but I'm sure I could find one in a "yard". Tommy, do you still have yours?
yeah i still got it, but i think im gonna get that jeep drivable again, but i will keep an eye out for one
uglyota
04-20-2006, 02:57 PM
dime a dozen at the PNP in Houston
CheapJeep
04-20-2006, 07:10 PM
Ah good deal.
robertf03
04-20-2006, 07:11 PM
drill the locating foot for the 258 dowel pins and it should fit the 258 head.

You'll have to rig the power steering pump but you are no stranger to that.
CheapJeep
04-20-2006, 07:20 PM
Ah what a comedian. :laughing: Is there much of an advantage with the 4.0 compared to the 258 head? I've heard it makes a difference.
robertf03
04-21-2006, 05:41 PM
I'm sure it makes a difference, but its not a requirement to do the swap

do you really want to crack open the engine if it runs? strap on the efi and run it till it dies.
colman
04-24-2006, 06:49 AM
i did it and love it, thats the head of course, its 40 hourses bolt on, this is due to the better angle of the intake to the valves, the non ho heads are 90 degreas and the ho is 47 i think. if your are interested in doing efi, tbi is easier but not quite as efficient, thats what i am going to do the 2 weeks before summr school