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Converting from regular to fold down rear seats


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I guess maybe being a 1 armed bandit right now has made me look at the easiest way to do things lately. After talking with Don at OMS and the guy I got this car from, they both descibed what a PITA it is to convert from a conventional rear seat to a fold down. WELDING, WELDING and more WELDING! The conventional is the blue car and the fold down is the red.

I believe I have a way to minimize that and move the entire piece (top and both sides and the bottom in 1 move)

So, I told Don I'd post how I'm doing it. Needless to say the back seats and trim have aleady been removed. START.

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On the fold down car after removing the door, on the side braces, there are 2, 1/4 inch head screws at the bottom and 1 at about 3/4 up that have to be removed. (there is another at the top but that comes later) the brackets will swing loose except for the screw at the top. Both cars embelished plates can be removed fairly easily. The regular backseat plate has 5 pop rivets which must be drilled and then can be removed by placing a screwdiver or small wedge to hold it up out of the groove it sits in. And then using the holes on the left and right at the top to carefully push it toward the front of the car

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The fold down seat the panel is held in with screws but removes in the same manner. You will however need to drill holes in the regular back seat car for the screws but the tabs for them are already there.

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I'll take this back up tomorrow when I start the fold down frame removal.

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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Started early this morning to remove the rear wall of the fold down in order to make it easier to not damage it. I first removed the rear gas tank strap holder and trunck floor pan.

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Then I marked where it would be safe to cut without hitting the metal I'm trying to save. I started cutting from the bottom and worked my way up to have support for the weight.

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This is the part I know will be the PITA getting out of the good car without damaging anything. That's why I want to remove it in layers starting from the rear of the wall working toward the inside.

Having the whole wall on the stand makes things very easy to remove the metal without having to drill the spotwelds out. I just peel and cut.

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Have the bottom and both sides completed and will start on the top in the morning.

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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Guess today may not have been the right day to put that exhaust fan in the peak vent! :P

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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Started peeling the layers from the back top this morning. Took my time and really had no great discoveries but didn't want to screw this piece up.

As it turned out it was as I thought, the sides are not connected at the top underneath. Took 30 minutes to do the otherside.

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I then went into the other car knowing it wouldn't take long. Minimal peeling because I only need to be nice to the top crossmember. The sides I just cut with my mataba and ground because they'll be hidden with deadener and trim so why mess with the welds. Took 2 hours and sweat from the heat.DSCN1710.thumb.JPG.5227911cdbd2369c9a27b7871fed9996.JPGDSCN1711.thumb.JPG.50e6ae30bd19ddb12f86ac9f592d937e.JPGDSCN1712.thumb.JPG.7df530e02077210fdaf1e008862f4a00.JPGDSCN1713.thumb.JPG.94495d56d61534240226c5fcda9a0d5f.JPGDSCN1714.thumb.JPG.6181b7a7a43a5a62e6d4f3eb3c1c7f6b.JPG

Tomorrow I need to clean,sand, and prime the sides and rest of the roof before the install. Did get the new rear wall sanded and primed on one side before calling it a day.

I figure from start to finish on the removal of both (after interior removed) 10 hours and no holes.

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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I guess if you really want fold down seats, you really want fold down seats.

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351C Bold Manners, Brash Attitude

Favorite Teams: Michigan Wolverines and Whoever Is Playing Ohio State.

 

When I drive past a herd of cows, the cows MOO at me

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I was thinking about putting fold down seats in my car as a project...that thought is now gone.

 

Jim

Jim

 

M code 71 Mach 1, 351 4V Cleveland, Ram Air (not factory), C6 Trans, 3.5 rear

 

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Started the morning by cutting 2- 1/16" grooves in the front and rear of the bottom frame to allow for re-entry into the car. Went in through the back window and folded it slightly on the cuts. Went strait in! I used 1 inch clamps and a 2 X 1-1/2 backing plate to weld them back up and checked the level.

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I then cleaned and sanded the sides before I started welding it all down.

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Here it is finished in primer. Out and in, in 1 piece!

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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  • 3 weeks later...

Nice job Mark. I have the parts and pieces but not sure I want the rattles and weight. Thanks for posting.

Gotta plan on that rattle thing when the time comes! :idea:

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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I'd consider fitting the door now so you can tweak positioning if necessary to get a nice tight fit . . .

http://www.7173mustangs.com/gallery/1_01_07_15_8_53_18.png

 

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!

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  • 1 year later...

Reached that point to start the installation of the final product. In order to find the proper placement for the top hole of the verticle side rails to the fold down door, I pretty much needed to assemble the entire seat. (Whished I hadn't missed writing down that measurement).

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Those 2 bolts needed to be in place before installing the top crossmember. I did realize that I can tighten up the entire back seat and trim by putting it in place and then marking and installing the brackets behind the interior plastic. Tomorrow I'll mark the placement of the latch and weld it to the inner fender well.

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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Wow, it looks great! Hopefully the next update won't take quite as long... :D

Doc

Project started 8-7-10

Completed: All new suspension, rebuilt 351C H Code bored .030 over with mild cam and intake, new 3.50 TracLok, custom exhaust system

Current "mini-project": interior upgrade :-/

[button=http://www.7173mustangs.com/forum-garage?filterxt_uid=76]Doc's Garage[/button][button=http://www.7173mustangs.com/thread-1973-mustang-convertible-restoration-and-modification]Doc's Wiki[/button]

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Wow ! Hats off to you Mark ! :cool:

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460 , Edelbrock Performer carb. + intake , 204 / 214 cam , Pertronix Flamethrower 2 billet dizzy + coil , Crites long tubes , C6 .

 

 

 

 

 

 

 

 

 

 

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THANK YOU for doing this first! I have all of the pieces and plan to do this as well, this will be my reference for sure!

1972 H-code Mach1

2010 GT Premium

2015 Hyundai Sonata Sport 2.0T

1995 F150- The "home depot" machine

2012 Harley Davidson Road Glide Ultra

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Wow, it looks great! Hopefully the next update won't take quite as long... :D

 

Well Doc. I've always said God has a sense of humor and will only put on you what you can handle. I'm pretty sure everone heard how my 1 rotator cuff surgury back in January turned into 4 surgeries over the year. The plan was to finish this little project on Sunday. However, my appendix ruptured early Sunday morning and I just got home last night. On hold for another 4-6 weeks! :@

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Just cruising along minding our own business when BAM!!! The LAWS show up.

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  • 2 years later...

Wow that is so awesome work [WINKING FACE] But I just find it now.. Now that it is some years ago you did this work! But I am so glad I found this review! [OK HAND SIGN]😎[THUMBS UP SIGN] Well done you have my respect sir! [PERSON WITH FOLDED HANDS]😎[THUMBS UP SIGN] Regards Lars DK73

 

So I'm a proud owner of one Mach 1 73! Regards Lars DK73 😎

So I'm a proud owner of one Mach 1 73! Regards Lars DK73:whistling:

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  • 1 month later...

I was going to do this conversion a few years back and spent a lot of time and money gathering all the parts then once I was sure I had all the bits and pieces I started looking at everything I was going to cut out and then everything I would have to replace and decided it just wasn't worth all of the effort. I sold everything I had bought to another guy who had the same plan and was happy just to have gotten my $$$$ back. I can see from your post I was right it is a lot of effort and cutting. Good luck moving forward I can't wait to see the finished results.

Going fast is fun but life is short so slow down and enjoy the ride :D Frank

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I have a fold down rear seat and I do like it, but the utility is minimal. I'd almost rather have the fixed seat back for the ability to have a rear deck to install speakers in. Almost.

http://www.7173mustangs.com/gallery/1_01_07_15_8_53_18.png

 

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!

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