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Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

 
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post #1 of (permalink) Old 03-20-2001, 03:45 PM Thread Starter
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Drawings anyone?

Would any of you out there have detailed and precise drawing of the rear end crossmember from YJ/TJ/CJ's?
If so could you share this info with me?

I have a bunch of Jeep pals that want stuff made and I don't have there trucks to take measurements off of(too far)!!!

I would appreciate if someone could help me out.........

thx in advance.

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post #2 of (permalink) Old 03-20-2001, 04:31 PM
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Re: Drawings anyone?

Danny, what exactly do you need? I'm fabbing a rear bumper as we speak and can give you mounting bolt spacings, sizes, etc. Let me know.

'91 YJ,I-6,2.5" lift,Boomerangs,33s,D30,D35c,Lock-Rights F&R
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post #3 of (permalink) Old 03-20-2001, 05:23 PM Thread Starter
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Re: Drawings anyone?

Ya that would be what I need, exactly what you mentioned would be a great help!!


Thanks


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post #4 of (permalink) Old 03-20-2001, 08:07 PM Thread Starter
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Re: Drawings anyone?

To infinity and.........

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post #5 of (permalink) Old 03-20-2001, 09:15 PM
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Re: Drawings anyone?

How's this: http://www.geocities.com/Yosemite/1740/frames.html?

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post #6 of (permalink) Old 03-21-2001, 12:07 PM
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Re: Drawings anyone?

Sorry man, I was tied up last night. I have the mail on my home machine that I sent to another guy with all the info. I'll look tonight and will forward it to you.

'91 YJ,I-6,2.5" lift,Boomerangs,33s,D30,D35c,Lock-Rights F&R
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post #7 of (permalink) Old 03-21-2001, 11:29 PM
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Re: Drawings anyone?

Well here are the measurements. I was measuring in relation to the edge of the rear cross member that has the original bumperettes mounted to it. I just made a rear bumper from a 4x3x1/4 angle iron and my actual drilled hole locations are slightly different as indicated in the text. I guess these are the rounded out measurements that the designers intended but there may be slight manufacturing differences. At any case the rear cross member mounting holes are slightly oval to compensate for this. Mounting bolts are all 7/16x14, including the frame tie-in weldnut inside the frame just behind the rear shackle bushing (accessed from bottom). This was hell to track down because of heavy rust it appears as different size.

1" 8" 32" 8" 1"
________________________________
} = 1"
| *-----* *-----* |
} = 1 1/4"
| *-----* ___________*-----* |


Man, love this ASCII crap... anyway in so many words from the cross member edge inward to first column of bolts is 1". Between the first and second column of bolts (all bolts for one of the bumperettes) it's 8" (7 7/8 on mine). Between the two inner set of bolts it is 32" (again 31 7/8 on mine).
Vertically the top row of bolts are 1" from the top of the cross member and there is 1 1/4" between the two rows of bolts vertically. The most important are the bolt spacings are in relation to one another. The edge distances are not so important except if you use a tie-in strap of metal on bottom of bumper to frame than the distance (on my angle iron bumper) from the bottom row of mounting holes to the bottom of bumper is 2 1/8. This is important so the strap can lay flush against the bottom of bumper for best fit. The way I got my hole measurements is by first mounting the tie-in straps than laying the angle iron on them and mark hole locations through cross member holes. Anyway, if you actually read all this I hope it helps. [img]/wwwthreads_images/icons/wink.gif[/img]


'91 YJ,I-6,2.5" lift,Boomerangs,33s,D30,D35c,Lock-Rights F&R
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post #8 of (permalink) Old 03-21-2001, 11:45 PM
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Re: Drawings anyone?

Excuse Me

Jeepn Are you like the GURU or what???

I have been looking for that page for months Thanks for the post.....

97 TJ 31's and mostly stock but seeing what I can do about that..
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post #9 of (permalink) Old 03-22-2001, 12:07 AM Thread Starter
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Re: Drawings anyone?

Thanks Kut


Is this about it for the YJ?
http://partszuki.homestead.com/files/Dimensions.jpg


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