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Old May 5th, 2013, 01:16 PM   #1
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Default LQ4J: A 6.0 TJ DD on a budget

So I've been into this whole Jeep thing for about 6 years now. I've had 3 XJ's, and 2 TJ's, this one being the latest. Lets just say that I've learned a lot over the past few years and have come to a point where I just want a cheap do it all daily that I can hop in, and drive 5 hours without worry.

I've always been a huge fan of GM products, even though I've never owned one. The original idea was to swap in a 5.3 drivetrain when I had my previous TJ, but frame rot got the best of it.

The Jeep:
1998 TJ SE 4cyl auto
Its purple...
did I mention its purple?
bought it blown up for a decent price. After fighting with frame rot on my last TJ I was sure to check this one over real good.

The plan:
6.0 LQ4 V8 from a 2001 Yukon Denali
4l65E Trans
NP231c/j (later a 241c)
Ford 8.8 Rear LSD
3.73 gears (highway rpms are important, same with towing)
1.25" BL (just for clearance)
2.5" Suspension lift
33's
drive the damn thing everywhere.

So here she is pulling the motor and replacing it with a temporary 2.5 I had laying around


Got that motor out, and the new one in over the course of a few hours. Drove it home and realized that the 4.0 I had in my last TJ on 35's had wayyy more balls than this worthless anemic drivetrain. Not to say that a 4.0 has a ton of power, they're gutless pigs to me too. However I found myself wanting more, like always.

Speaking of my last TJ, this is a pic right before It...

That was a year long project in which i'll get into in a few.
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Old May 5th, 2013, 01:41 PM   #2
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More pics less chatter.
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Old May 5th, 2013, 01:42 PM   #3
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A little about me... I'm still a college student, in school for business. Mainly just to get a degree and own my own company. I've been working in the automotive industry since age 12. Started out at the my fathers auto repair, and worked my way up. I've done quite a few different things over the past 8 years, parts, towing (by far the most fun), wrenching, managing, etc. I've have horrible ADD, you will probably notice after reading this thread. If I could get half of my ideas down on paper, and 1/4 of them into production, i'd be set for life...

I have an obsession with not paying anyone to do anything for me. I've never once had to pay to have a car/truck/jeep fixed. Everything I do, is on my own. If i can't afford to buy something, I make it. (excludes safety related items of course) You will see a lot of fabrication from scratch in here.

Location:
I'm working on this out of my fathers new shop. 8 bay full service auto repair, with damn near every automotive tool imaginable. Just finished building it this feb.
This was in the move in phase. Setting up hoists from our old shop and such


Everything will be built in house, unless i decide that something is money well spent.
When i say everything, i mean driveshafts, mounts (except engine... AA), brackets, all the fuel lines, exhaust, wiring harness, transfer case. I truly enjoy doing this.

Weekend build:
I'll be doing this project on the weekends, and after work. The plan is as follows...
Friday night: pull 4cyl drivetrain, install body lift.
Saturday: Mock up motor mounts, set drivetrain in, check all clearances, pull tub. Gonna get measurements for all my lines and such, exhaust etc. basically do a mockup of everything. then pull the drivetrain back out. burn the mounts in, and roll the frame outside, sandblast, and paint. bottom of the tub is getting the same treatment.
Sunday: Install everything i can, and finish the odds and ends after work throughout the week.

The next weekend if money allows...
Install 8.8, SYE, and finish any thing up i couldn't do during the week.

Following weekend...
Lift it, and pull the body for paint... Yes, paint.
Going Gunmetal grey, spraying it with a buddy of mine.


So here's some pics...

Donor: 2001 Yukon Denali XL, rolled 7 times. Landed shiny side up


Got the motor pulled, along with damn near anything i thought i could remotely use.


Cleaned up the motor, It really needs to be steam cleaned and such.


Wiring harness kinda done.


More photos soon...
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Old May 5th, 2013, 01:49 PM   #4
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Here's a few pics of the my last TJ.

It went from this


To this...


Got bored labor day weekend... so i painted it.


And this is just before i sold it.
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Old May 5th, 2013, 02:31 PM   #5
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I think I remember seeing that tj for sale here. Good luck on the build. I remember being that motivated in my 20s!
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Old May 5th, 2013, 04:36 PM   #6
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Yup, the white one was up on here for a bit. It was too big for my daily use, and had been in an accident. While it was fixed and all that, it still was never right. Little details about alignment of body parts and such just bothered me. Which is why i bought one blown up that was relatively clean, and straight. I can fix blown up broken and trashed. I can fix rust, rot and all that... But when shits tweaked, little tiny 1/8th and 1/16th inch differences in panel gaps and such bother the shit out of me.

My motivation comes from others. Especially the ones who don't have any knowledge of what i'm doing, but still tell me its a stupid idea. And the ones who say what i want to do isn't possible. You bet your ass if you tell me it isnt, i'm gonna try every possible way to make it.

Anyways, onto More Pics.

The jeep when i first got it back to the shop (3 hour drive across the state)


The Donor


Radiator from Superior in Mt. Clemens, MI



Advance Adapters Mounts, 1.25" BL, and 40T clamp on reluctor should be here at the end of the week. Got a real good deal from poly performance.

Sent the computer out to waynehartwig on pirate4x4 for a retune, vats removal, and some other goodies.
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Old May 6th, 2013, 03:23 PM   #7
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You can't build the front D30 to hold up to the power of the 6.0L, have fund spending thousands or driving like a puss to prove me wrong
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Old May 6th, 2013, 04:25 PM   #8
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x2 and the 231...
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Old May 6th, 2013, 07:27 PM   #9
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Quote:
Originally Posted by feva4u View Post
You can't build the front D30 to hold up to the power of the 6.0L, have fund spending thousands or driving like a puss to prove me wrong
we'll just consider the front a roller... i have no doubt that i will break it on the first drive. trying to figure out what axle will fit. i don't want full widths on a dd, and i'm not spending 1500 on a rubi 44.

The 231c... free. 6 bolt hex to 5 bolt transfer case adapter, free. np231J for parts, free. Its all stuff i had laying around, might end up grabbing a 241c later this week but not sure yet.

If it blows up, then it blows up... who cares? If the motor blows, i'll build it up. If the trans blows, i'll get a 4l80e and swap that in. I've been collecting free parts for the past 2 years, so i don't have much into this project. Benefits of working at a shop and digging through the scrap bin.
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Old May 6th, 2013, 08:54 PM   #10
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Quote:
Originally Posted by Dannn View Post
we'll just consider the front a roller... i have no doubt that i will break it on the first drive. trying to figure out what axle will fit. i don't want full widths on a dd, and i'm not spending 1500 on a rubi 44.

The 231c... free. 6 bolt hex to 5 bolt transfer case adapter, free. np231J for parts, free. Its all stuff i had laying around, might end up grabbing a 241c later this week but not sure yet.

If it blows up, then it blows up... who cares? If the motor blows, i'll build it up. If the trans blows, i'll get a 4l80e and swap that in. I've been collecting free parts for the past 2 years, so i don't have much into this project. Benefits of working at a shop and digging through the scrap bin.
A rubi 44 won't hold any better than the Dana 30
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Old May 6th, 2013, 10:12 PM   #11
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Quote:
Originally Posted by High Center Hancho View Post
A rubi 44 won't hold any better than the Dana 30
which is why i'm not blowing 2k on one :)

i was eventually thinking about going the 44/9" route later on. i really really dont want full widths, this is just a DD for me, with a few silver lake runs a year. i enjoy driving it more than i enjoy wheeling it.
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Old May 7th, 2013, 07:09 AM   #12
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which is why i'm not blowing 2k on one :)

i was eventually thinking about going the 44/9" route later on. i really really dont want full widths, this is just a DD for me, with a few silver lake runs a year. i enjoy driving it more than i enjoy wheeling it.
A full size 44 isn't going to like it either, and full width axles don't turn it into a nightmare to drive?
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Old May 7th, 2013, 07:21 AM   #13
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From the sounds of what you have planned for it I think the D30 and 231 will be fine. Know your limits and don't get stupid with it and on 33s you'll be alright
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Old May 7th, 2013, 08:31 AM   #14
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From the sounds of what you have planned for it I think the D30 and 231 will be fine. Know your limits and don't get stupid with it and on 33s you'll be alright
That's what I'm hoping. I don't really beat on my own shit...
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Old May 7th, 2013, 12:26 PM   #15
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From the sounds of what you have planned for it I think the D30 and 231 will be fine. Know your limits and don't get stupid with it and on 33s you'll be alright
x2.

We all had a lot of fun wheeling with 36s, 38s, even 44s on Dana 44s with V8s 15-20 years ago. Today they tell you that you'll blow it up in the parking lot.

For 33s, there's no issue at all, IMO. Especially if you want 3.73s, since its easy to just grab a whole spare axle.
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Old May 7th, 2013, 01:29 PM   #16
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x2.

We all had a lot of fun wheeling with 36s, 38s, even 44s on Dana 44s with V8s 15-20 years ago. Today they tell you that you'll blow it up in the parking lot.

For 33s, there's no issue at all, IMO. Especially if you want 3.73s, since its easy to just grab a whole spare axle.
Exactly, especially if it's open.

An even better detail that most people don't notice, is that the newer stock D30 shafts are actually stronger than the older stock D44 shafts. They share the same joints and yoke/ears, which is where they break most often. On the inner shafts the D30 has a fairly constant diameter all the way in, where every stock older D44 front shaft I've seen has a large neckdown just outboard of the splines. The diameter at the neckdown is smaller than that of the D30 shafts. So they share the same common weak point, and if that holds up the next spot to break is actually stronger on the D30. The D44 obviously has stronger gears, balljoints, and rebuildable hubs, but those areas likely won't be enough of a problem for you to justify the upgrade. Put aftermarket shafts in both and the D44 will be superior, but I really don't see D44 upgrades being a worthwhile improvement over the stock D30.

And as for the 231c, the 6 gear planetary is the same used in the 241 if I remember right, and most SYE kits have a much beefier output shaft. You'll be fine.
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Old May 7th, 2013, 02:09 PM   #17
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Mounts don't ship til the 18th of may... I was told they were in stock and would ship friday the 7th from advanced.

i had everything lined up to go in for this weekend, but upon contacting polyperf. they told me the above information.

Since when does IN STOCK mean that they have to make them, and then ship them 3 weeks later? fuggin bullshit.
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Old May 7th, 2013, 02:12 PM   #18
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Mounts don't ship til the 18th of may... I was told they were in stock and would ship friday the 7th from advanced.

i had everything lined up to go in for this weekend, but upon contacting polyperf. they told me the above information.

Since when does IN STOCK mean that they have to make them, and then ship them 3 weeks later? fuggin bullshit.
swaps never usally go according to plan.
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Old May 7th, 2013, 02:14 PM   #19
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yeah but this seems like a common occurrence in the 4x4 industry. i did my homework, and called around, including advanced to make sure they had them in stock, asked for delivery dates and such which all led to them being delivered either thursday or friday (9th/10th)

i ordered from poly, didnt get a tracking number. today i contacted them and asked about tracking, and was informed that they don't ship til the 18th.
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Old May 7th, 2013, 02:18 PM   #20
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I had all sorts of those issues with my 2wd LS motor swap. It took me over a month and a few shipments back in forth for me just to get my right motor mounts that accually fit from a company in Arizona. Its a pain in the ass and something you cant plan for.
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