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4.0 l jeep


2wdmuddin

Well-Known Member
Joined
Nov 12, 2009
Messages
211
City
suwanee, ga
Vehicle Year
1994
Transmission
Automatic
has anyone ever put a 4.0l I6 in a ranger? if so what all has to be done and is it a worth while swap? also does anyone have any pics
 
Some have, but it's a lot of work. Do a search on the site. Basically, unless you have a 4.0 I6 lying around begging to go into something, dont waste your time...
 
If your gonna do that much work, turn your 4 into a 4.6l stroker. They run a lot better that way.
 
If your gonna do that much work, turn your 4 into a 4.6l stroker. They run a lot better that way.

I've read in JP magazine of 270ish at the rear wheels with a 4.6 stroker properly set up. Takes some finaggling to get enough fuel to the cylinders though.
 
Some have, but it's a lot of work. Do a search on the site. Basically, unless you have a 4.0 I6 lying around begging to go into something, dont waste your time...

Heh, been a while since I saw a Jeep 4.0L thread. But yes, he's right.

You'll need to "doghouse" the firewall, otherwise, it'll fit rather well. My beliefs were a little bigger than my skills when i did this, so I went with a V8. I could do it now but, ehh.

This is as far as I got it. A few more inches farther back and the oil pump bulge will clear the crossmember and it'll slide right in like it belongs. Even would clear the passenger drop beam bracket (what it's sitting on in the pictures). It'll also put a top loading transmission (T-18, NP435, etc) in a very good position in the cab with plenty of room for a radiator up front.

100_0915.jpg


100_0918.jpg
 
my thing is with daily drivability the i6 just seems a little more what im lookin for plus ther reliability just seems better. i thought 4.6 but id rather have a 5.0 and turn it to a 347 stroker if im gonna go v8
 
my thing is with daily drivability the i6 just seems a little more what im lookin for plus ther reliability just seems better. i thought 4.6 but id rather have a 5.0 and turn it to a 347 stroker if im gonna go v8

If you need a reliable, daily driven vehicle - Use the Ford 4.0L

They're made to fit Rangers, all the parts are there to fit Rangers, and you don't need custom parts. It's a factory setup designed by teams of people far, far smarter than us (it's their bosses that make things frustrating to you, and it's generally due to part/assembly cost - you let engineers be engineers and they'll build some sick shit).

It's nice to dream about something like this, but just about any project (like a V8 and especially an I6) is really relegated to a toy or secondary vehicle. It will be down a long while until you figure things out and take it apart eleventy billion times (at least it seems that way), unless you're very good at this stuff and done it several times before.

It took me 2 months of weekends to shoe horn in the 302 in DeathTrap. Of course I never used a body lift (actually the mounts are crumbling). The long tube headers were required for a 3" body lift as well. But this was one little detail I somehow missed before I did it, and a 302 is a fairly common swap.

Do yourself a favor and source a complete Ford 4.0L V6 setup.

:icon_thumby:
 
thanks for all the help and insight, i guess ill look more into the ford 4.0 swap
 

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