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Unread 03-07-2013, 06:51 AM   #16
ZB_WJ
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Stupid question

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Unread 03-07-2013, 06:04 PM   #17
murph0124
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if you ever try to work on 4.7l wj you will understand why the i6 is so much better, no room to do anything. exhaust manifold are retarded to do, plus they have had problems with the valves not rotating and the carbon builds up on the valve and the rockers drops out and lays in the valve cover. keep the reliable easy to work on 4.0L. Just my opinion....
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Unread 03-07-2013, 06:23 PM   #18
86cj74.2L
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In my opinion the 4.7l comes with the better trans.

What's it worth owning a 4.0 for its longevity and going through 2 or 3 Transmittions.

When was the last time you 4.0 guys adjusted your bands? Hopefully at least twice in 150,000 miles.
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Unread 03-08-2013, 07:20 AM   #19
ZB_WJ
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4.0 used transmission run about $500 average on Craigslist and are fairly easy to find one with in 100 miles.

I really don't see too many 4.7s for sale. Mostly a WJ with blown 4.7 and being parted out. But the transmission is still good lol. (in all
Fairness there is an equal amount of 4.0s being parted out because they are smashed)
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Unread 03-08-2013, 07:51 AM   #20
PeteYJTJ
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Quote:
Originally Posted by james_2k View Post

also extra power is all fine, but wont make any difference when its broken down, 100% power loss right there.

keep the 4.
Ha, 100% power loss.

I'd keep the 6. It's a fantastic motor, rugged, reliable, last forever given even moderate care. If it needs a tranny, get one, install, done.

I see plenty of V8 grands on the local CL... "Needs motor." "Motor junk." "Bad knock." And not really high miles, either.

For me the 4.0 selectrac WJ is the best platform for simplicity and reliability. I had an '03 and took it to 215K+, now in an '04 at less than 100K.

Just my opinion.
Good luck with your choice,
Pete
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Unread 03-08-2013, 08:49 AM   #21
04Overland47
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Go for the 4.7HO. I've had 2 4.7HO WJ's and both of them have been exceptional as far as reliability. Put about 30k on my red one and only had to replace the radiator (which i consider maintenance anyway) and i now have about 15k on my gray one and she still runs like a champ. You have to do your homework before and when you go to check out the Jeep. Knowing what to look/listen for on a test drive can save you down the road. No doubt the I6's are practically bulletproof, but my experience with the 4.7 would have me pick it over the 4.0 in a heartbeat. Stronger motor, better tranny, better 4WD system, Columbia edition, low miles...what's not to love?! My vote is for the 4.7HO
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Unread 03-08-2013, 09:05 AM   #22
Cirruslydakota
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Quote:
Originally Posted by 86cj74.2L View Post
In my opinion the 4.7l comes with the better trans.

What's it worth owning a 4.0 for its longevity and going through 2 or 3 Transmittions.

When was the last time you 4.0 guys adjusted your bands? Hopefully at least twice in 150,000 miles.
Every trans fluid change 30,000 miles or two years whichever comes first. Then again im a former Chrysler tech so ive done it a million times.
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Unread 03-08-2013, 06:23 PM   #23
rlordjr
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Hey thanks for all the input guys! I think I'm going to keep the I6 Laredo and see what happens. I have a soft spot for inline sixes from my many years of BMW ownership. Of course, the Jeep 6 doesn't rev quite like the BMW 6, but even that motor was more of a torque engine than a revver. However, they are stupid simple to work on. Kind of like having a tractor motor in your car...that can be good and bad. The 4.7 would really be nice to have on the Atlanta freeways, but since my commute is about 1 mile it doesn't really matter.

I'll be sure to get some trans fluid changes and maybe even a band adjustment to be safe. Still have the Amsoil diff gear oil I bought last summer and need to put it in the pumpkins.

Wheeled it a couple of weekends ago and really can't complain. I wish it was a manual, but that just shows my age and that I grew up driving a Renegade in the mud!
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