CJ with TJ chassis (YJ tub) - JeepForum.com

 
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post #1 of 10 Old 03-17-2010, 04:53 PM Thread Starter
Ezredcj
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CJ with TJ chassis (YJ tub)

Please before you flame me just read and think about it.

So I've searched and searched and all I get is people talking about how it can be done (as can anything with enough mind and money) and they've seen pictures of it but I can't find any.

Here's my original plan:
Have 1980 CJ-7 fresh re-built 350 but a rusted out frame and tub
Bought used CJ frame and YJ tub. Frame needs media blasted.
Have Scout dana 44's waiting for the rebuild to begin.
I have no suspension yet for the new build (can't decide)
So it's gonna cost me to have the frame blasted or dipped ($400?) plus I have to get suspension (not using the 30 year old stock springs). Looking at about $1,000 if Im thrifty. That's just to finally get my project rolling.

Here's what I'm thinking:
While searching for "jeep" on craigslist (like I do religiously everyday) I found a TJ rolling chassis I think is gonna be way way cheaper than the afore mentioned. I really like the idea of coil spring all the way around and tons of aftermarket options for suspension upgrades. Plus its a galvanized frame. Has anyone done this and documented it? Whats everyone's thoughts on this?

Also just buying a TJ is out of the question. I WANT to do the work and build!!! I know the body will not just bolt right up. I have no problem doing fab work to make it work.

Basically I have way way more time than I do money and I want to do this but I just want some feedback and info before I jump in.


1980 Cj-7 1979 350 with mild goodies
T-176 4spd. 33x12.50 Micky Thompson Baja belted. (Complete frame off comming soon!)

SOLD 1999 Cherokee classic Rusty's 4.5 AAL 33x12.5 Maxxis Bighorn mudders.

2005 Toyota Tundra spectra blue 4x4 double cab

Hers
1999 Wrangler aka "the beast" 4cyl automatic
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post #2 of 10 Old 03-17-2010, 05:26 PM
SlikRic
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I'll be watching this one Need LOTS of pics of course

United States of America
Born: July 4, 1776
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post #3 of 10 Old 03-17-2010, 08:23 PM
Scooter402
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So....what's the question? Seems like you've pretty much got your mind made up on it. Sounds like a plan to me. You're not afraid of work, which is a good thing. None of the body mounts will line up, which you were probably aware of, so thats probably going to be your biggest issue with mounting your body on the frame. Aside from that, doing the engine swap will be just like any other. Only thing is, how's your state with inspection/registration about VINs? I'd just give them the one for the body. Unless they actually look for one on the body and frame to match....
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post #4 of 10 Old 03-18-2010, 02:54 PM Thread Starter
Ezredcj
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Plenty of pictures will be posted!! (It'll be a while though)


I live in Ohio and titles are not a problem. My plan is to take the CJ vin plate and put it on the YJ tub in the original CJ location.

I think I'm pretty well sure I will eventually do it instead of the CJ frame and chassis.

I was wondering if anyone had seen any info or pictures frome anyone else doing this.

Forgot to mention there are 5 TJ's in my imediate family (one of which being at my house) so I've got plenty of ways to check stuff if need be. So as long as I get good encouragement from you all I'm on a mission.

1980 Cj-7 1979 350 with mild goodies
T-176 4spd. 33x12.50 Micky Thompson Baja belted. (Complete frame off comming soon!)

SOLD 1999 Cherokee classic Rusty's 4.5 AAL 33x12.5 Maxxis Bighorn mudders.

2005 Toyota Tundra spectra blue 4x4 double cab

Hers
1999 Wrangler aka "the beast" 4cyl automatic
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post #5 of 10 Old 03-18-2010, 05:06 PM
wertyu78
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I really want to see this.
Good Luck!
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post #6 of 10 Old 03-18-2010, 07:13 PM
JeepnBlake
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I too would like to see this.

What grill are you planning on using?

-Blake-

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post #7 of 10 Old 03-18-2010, 07:46 PM
crcj7
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i was thinking of just cuting all the suspention off of a tj and welding it to my cj. This is gona be cool pics pics pics good luck

geter done goter did flipeder over didit agian
i need an nv3550 any one need a hardtop
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post #8 of 10 Old 03-19-2010, 03:38 PM
Scooter402
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Quote:
Originally Posted by crcj7 View Post
i was thinking of just cuting all the suspention off of a tj and welding it to my cj. This is gona be cool pics pics pics good luck
This is what I was thinking of doing at some point, too, but I'd like to see the frame swap.
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post #9 of 10 Old 03-19-2010, 03:50 PM
CSP
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There are enough differences in TJ and CJ frames that removing the suspension of one and installing it on the other is a LOT of work IF you can even get the geometry to work. You'd be further ahead building a double-triangulated suspension from scratch and probably would require less effort and be a better suspension anyhow.
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post #10 of 10 Old 03-19-2010, 03:56 PM
LT1CJ7
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I'd use the CJ frame, YJ tub, 350 engine, scout 44's and build 4links with coilovers.
Best use of parts you already have.
CJ frame to YJ tub easily done.
4 link and coilovers easily built and the saved time of hacking tj junk to the 44's & CJ frame.
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