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Body jig like ...the one AMD uses.. #1154646
01/11/12 01:00 PM
01/11/12 01:00 PM
Joined: Jun 2005
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Tracy, New Brunswick, Canada
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magnumcharger Offline OP
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Anybody have a set of plans for building a body jig similar to the style used by the AMD crew, for mounting a Mopar unibody, when major panel replacement is underway?

7012994-Weldingjig.JPG (4810 downloads)


Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #1154647
01/11/12 01:32 PM
01/11/12 01:32 PM
Joined: Sep 2005
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Chino Valley
RodStRace Offline
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Looks like most of the info is right there, plus a straight unibody.
Build the base to size, then slap it under a straight unibody and fab up to the frame rails, spring and K member points and maybe even the door hinge points.
You could probably make the frame supports on a complete car except the areas above the rear springs, but could still take measurements.
If the drain holes are standard (they should be, they are used in the alignment drawings), you can put tapered pins on the tops so they self-align.
Firuge out what hard points are important and build removable arms to define them.
The alignment specs for the unibody should be available from a good collision shop.
Here's another
http://www.moparmusclemagazine.com/proje...g/photo_10.html

Re: Body jig like ...the one AMD uses.. [Re: RodStRace] #1154648
01/12/12 03:52 PM
01/12/12 03:52 PM
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OLD318 Offline
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Quote:


The alignment specs for the unibody should be available from a good collision shop.
Here's another
http://www.moparmusclemagazine.com/proje...g/photo_10.html




The "unibody" specs you refer to above is a little misleading.

There are no above the frame, "unibody" specs for old mopars...
There are only below the frame specs..

There is only 1 reliable source for those, the old tru-way frame book.

There is a page in the 196X or 197X book for your specific mopar.
This page shows all the point to point specs to within a 1/4 inch
and it shows the datum line...

There is no point of reference, or spec, for any above the frame measurement.

Modern collision shops do not have frame specs for cars that old
because they won't touch an old car (which needs structural work anyway) with a 10 foot pole.

There is a guy I believe you can call, give your car/model year be sure to mention convertible and I believe he will fax you a copy from the book.... (for free!)
at least he has done this in the past... I forget his name I'm sorry...

Here is the link:
http://www.klinesauto.com/PDFs/Current%20Newsletter%20PDF/Frame%20Spec%20Library.pdf

There are 5 or 6 locations shown.
I forget exactly which one it is (try Reading or Pottstown first)
Ask about the tru-way frame books.
Tell him you year/make/model etc...

Best of luck to you

Re: Body jig like ...the one AMD uses.. [Re: RodStRace] #1154649
01/12/12 06:00 PM
01/12/12 06:00 PM
Joined: Apr 2005
Posts: 1,527
Southeast PA
5wndwcpe Offline
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Southeast PA
Quote:

Looks like most of the info is right there, plus a straight unibody.
Build the base to size, then slap it under a straight unibody and fab up to the frame rails, spring and K member points and maybe even the door hinge points.
You could probably make the frame supports on a complete car except the areas above the rear springs, but could still take measurements.
If the drain holes are standard (they should be, they are used in the alignment drawings), you can put tapered pins on the tops so they self-align. Firuge out what hard points are important and build removable arms to define them.
The alignment specs for the unibody should be available from a good collision shop.
Here's another
http://www.moparmusclemagazine.com/proje...g/photo_10.html




I spoke to Craig Hopkins (AMD installation center) about this very thing last year. He said when they first built their jig they did this. Problems arose when they realized the holes weren't always in exactly the same spot between models and/or aftermarket frame rails. His advice was to tack weld the supports to the frame and cut them loose when you are done and skip the locating pins altogether.

I also spoke to AMD directly and they suggested to support the car at 8 points. Of course, I was talking about a convertible, but I don't think too much support can hurt you.

Re: Body jig like ...the one AMD uses.. [Re: OLD318] #1154650
01/12/12 09:11 PM
01/12/12 09:11 PM
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Chicagoland
cudastruction Offline
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If someone does get a copy please post it here. I could use those specs too.

Al

Re: Body jig like ...the one AMD uses.. [Re: cudastruction] #1154651
01/13/12 11:11 AM
01/13/12 11:11 AM
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Tracy, New Brunswick, Canada
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magnumcharger Offline OP
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Re: Body jig like ...the one AMD uses.. [Re: RodStRace] #1154652
01/13/12 11:34 AM
01/13/12 11:34 AM
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jersey shore
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flypaper Offline
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Quote:


If the drain holes are standard (they should be, they are used in the alignment drawings), you can put tapered pins on the tops so they self-align.





how about no way,no how?

just for instance
68,69,70 bbody the holes are different for each year.
i didn't even get to the dodge/plymouth differences in the same year yet

amd saying that about rails shows they don't know squat about replacing mopar metal
why would they even try it to begin with???
they must be learning on the job!
(any mopar body guy should know about the rail difference),they should just stick to making it
unless you plan on doing metal replacement for a living, a jig
is a wee bit overkill i would say

Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #1154653
01/14/12 06:46 AM
01/14/12 06:46 AM
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midwest
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68427vette Offline
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anyone have specs sheet for 70 and 71 challengers,, getting ready to rack one up,, jc

Re: Body jig like ...the one AMD uses.. [Re: 68427vette] #1154654
08/13/12 08:33 PM
08/13/12 08:33 PM
Joined: Jun 2005
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Tracy, New Brunswick, Canada
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magnumcharger Offline OP
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Got my jig built, the support posts are next!
See pics here:
https://www.facebook.com/media/set/?set=...mp;l=5580889a53



Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #1154655
08/14/12 04:16 PM
08/14/12 04:16 PM
Joined: Apr 2005
Posts: 1,527
Southeast PA
5wndwcpe Offline
pro stock
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When I built mine, I angled the corner braces, providing an open center so that I could use a creeper and slide under the car. It's proven to be quite useful.

7335185-jig.jpg (4388 downloads)

1968 GTX hardtop
1968 Sport Satellite Convertible 383/4spd
1933 Plymouth coupe
2002 Ram 2500 oil burner 4x4
2015 Grand Cherokee
2013 Challenger
1957 Chrysler Saratoga


Man...I need a bigger freakin' garage.
Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #1154656
08/21/12 01:18 AM
08/21/12 01:18 AM
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missouri, USA
moparmojo Offline
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Awesome stuff guys! I cant believe I just found this post as I have been thinking about building a frame/alignment jig myself. Matter of fact when I was at the Nats and saw that Autotwirler was selling one. It was very pricey. I tried twice to talk to the sales guy but each time he was busy when some other yahoo shooting the breeze. I just didnt want to stand around forever, so I left. Here's the link. http://www.autotwirler.us/product-p/abt.htm

Im trying to decide how best to build mine. Do you guys plan on putting on those leveling/stop/pads shown on the AMD one? If so, where can they be purchased at. I would also like to know how you came up with your measurements, or did you use the dimensions from that frame sheet to use to cut the stands (or have you not gotten to that yet)?

Re: Body jig like ...the one AMD uses.. [Re: 5wndwcpe] #1154657
08/21/12 01:20 AM
08/21/12 01:20 AM
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missouri, USA
moparmojo Offline
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Sorry, just saw the second pic with the leveling pads. Where did you get those from?

Re: Body jig like ...the one AMD uses.. [Re: moparmojo] #1154658
08/21/12 05:30 PM
08/21/12 05:30 PM
Joined: Apr 2005
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Southeast PA
5wndwcpe Offline
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I scarfed them off of some equipment in work headed for the scrap pile, but they are available commercially :

http://www.carrlane.com/Catalog/index.cf...A3C3B285350415F

Although mine isn't quite finished in the picture, I made it (if I remember) 36" to the center of the rails. Thought being, it splits the difference of how the frame rails vary in width on the car. I then made the uprights mimic the frame dimensions in the above post.

Jeff @ 521Restorations has a nice write up on his as well.
http://www.521restorations.com/index.pl?page=framejig


1968 GTX hardtop
1968 Sport Satellite Convertible 383/4spd
1933 Plymouth coupe
2002 Ram 2500 oil burner 4x4
2015 Grand Cherokee
2013 Challenger
1957 Chrysler Saratoga


Man...I need a bigger freakin' garage.
Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #2135900
08/18/16 02:06 PM
08/18/16 02:06 PM
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gainsville, usa
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johnfin Offline
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These are great frame dimensions but dies anyone have the boy dimensions for a 1969 B-Body. ie. door openings, trunk and hood dimensions?

Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #2136381
08/19/16 12:46 AM
08/19/16 12:46 AM
Joined: Apr 2005
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Southeast PA
5wndwcpe Offline
pro stock
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Here is how I mount the car to the jig. The bolts go into the factory holes and mount and un-mount quickly and cleanly.

P1010015.JPGP1010019.JPGP1010016.JPG

1968 GTX hardtop
1968 Sport Satellite Convertible 383/4spd
1933 Plymouth coupe
2002 Ram 2500 oil burner 4x4
2015 Grand Cherokee
2013 Challenger
1957 Chrysler Saratoga


Man...I need a bigger freakin' garage.
Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #2136902
08/19/16 09:21 PM
08/19/16 09:21 PM
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Harriman NY
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When building a body jig doesn't it have too be built on a body jig/table that is perfectly level.

Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #2137025
08/20/16 12:23 AM
08/20/16 12:23 AM
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Ontario, Canada
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Stanton Offline
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How did the very first jig ever get level ?!?!?

Re: Body jig like ...the one AMD uses.. [Re: magnumcharger] #2138267
08/21/16 10:51 PM
08/21/16 10:51 PM
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St Louis, MO 63026
convx4 Offline
mopar
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St Louis, MO 63026
A level would be used to get the frame jig level.

Re: Body jig like ...the one AMD uses.. [Re: 5wndwcpe] #2139698
08/24/16 12:23 AM
08/24/16 12:23 AM
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missouri, USA
moparmojo Offline
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Originally Posted By 5wndwcpe
Here is how I mount the car to the jig. The bolts go into the factory holes and mount and un-mount quickly and cleanly.



Now your set up looks pretty smart. Can you share more pics for us so we can see the pic up points underneath and the overall jig. Nice work.

Re: Body jig like ...the one AMD uses.. [Re: moparmojo] #2141810
08/27/16 11:05 AM
08/27/16 11:05 AM
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St. Croix, US Virgin Islands
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Search for Project Binky on You Tube to get some jig ideas. Two guys in the UK who build and race Rally cars stuffing a Celica AWD drivetrain into a 1980 1000cc Austin Mini.
Some good ideas on fabricating jigs for installing bits that, while in this case are putting an unoriginal part in, the basic concept and approach is very useful. Plus they are very entertaining and very talented.
Their jig can even function as a rotisserie.


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