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MuscleTang mod project thread (1971 M-Mach 1)
(02-28-2017, 06:31 PM)tony-muscle Wrote: I am currently working on fixing rust issues in the trunk and inner fenders. As I ready to paint the trunk area I am curious on how the trunk side of the tail light panel it's supposed to look from factory - this is a hard picture to find since it has to be taken from inside the trunk. By no means I am performing a rotisserie restoration, but I would like to approximate as close within my capabilities. After repairs, grinding, cleaning, prepping, I am covering the trunk floor with Rust Bullet, beadliner coating and trunk paint, but I don't know how the inside of the tail light panel is painted, how the center support of the panel is painted and how the lock bracket is painted. Also, if someone has a picture of the trunk seal groove (without seal) where it meets the inside of the trunk it would be appreciated.
Another question, I have seen some tail light panels painted black, was this an option, or just customization?

This was responded on this separate thread:
https://www.7173mustangs.com/thread-corr...#pid292709


        [Image: 20160929_171923_edit2_small.jpg]

1971 M-Code Mach 1 w/Ram Air, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump
4-wheel disc brakes
  Reply
Now that I have the trunk and the repaired areas of the inner fender coated with 3 layer of Rust Bullet I am looking into seam sealing the overlaps and in between panels. However, as you can see in the picture, I had to cut a piece of the fender due to rust. The picture shows an underside view of the fender behind the wheel. I overlapped the new inner fender panel on top of the fender welding it with plug welds. The bottom of the fender now shows an overlap seam. I am not too concerned on making this look perfect, but I would like to do better. So I would describe what I am thinking of doing with the idea of getting some help from the forum. I will roughen the Rust Bullet coat with 120 grit, add some putty to smooth the overlap, spray with primer, and then spray with Argent paint. Does this make sense? If so, what type of putty should I use here? I have some 3M Bondo Glazing putty. With this plan, I seem to be missing the step of sealing the seam. I will seam seal on the inside, but I don't know if should do the outside and then shape it with putty. Help...... thank you.


[Image: 20170306_121258.jpg]


        [Image: 20160929_171923_edit2_small.jpg]

1971 M-Code Mach 1 w/Ram Air, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump
4-wheel disc brakes
  Reply
Wanted to post some pictures here to summarize the work I did on the trunk and wheel wells.
Here are the steps involved:
-Clean, grind, sand, and I mean a lot of it.
-Cut rusted pieces.
-Kept sanding, and again, a lot of sanding. Some small areas of the rear fender were rusted through. These were in the surfaces that face down. I tried to remove all the rust and then a little more.
-Cut pieces out of sheetmetal to replace, fit and shape pieces. I bought new complete wheelwells for each side. I cut the pieces from here. However, the piece of the trunk drop off I made it myself from sheetmetal I had laying around.
-Welded pieces and ground the welds. I overlap the sheetmetal and spot welded. This is not an structural piece so I minimize the amount of welding.
-Clean and primed all the sanded surfaces with three layers of Rust Bullet (with brush).
-Applied seam sealer.
-Applied epoxy to the through holes in the rear fenders.
-Cleaned and applied two coats of UPOL bedliner (with brush) on the interior surfaces.
-Sprayed BoomMat insulation on the trunk side of the wheel wells
-Sprayed Eastwood's trunk paint on interior. As you can see in the pictures, some areas turned out a bit more yellow. My guess is that there was a reaction between the BoomMat and trunk paint. I tried to fix it by removing the trunk paint, priming and repainting, but to no avail. The pictures exaggerate the yellowing due to the flash. You can't see unless you are really looking for it.
-Sprayed Eastwood's undercoating on the exterior areas of the wheel wells that were affected.
-Repaired the bottom surface of the rear fender with epoxy, putty, primer and "closely" matching paint. It is not perfect but it is well hidden since it is facing downwards.

Before:
[Image: 20170102_215518.jpg]

[Image: 20170102_223204.jpg]

[Image: 20170105_211616.jpg]

[Image: 20170109_231311.jpg]

[Image: 20170109_232625.jpg]

[Image: 20170109_232704.jpg]

Grinding, sanding, cutting:
[Image: 20170301_222616.jpg]

[Image: 20170301_222701.jpg]

[Image: 20170301_222730.jpg]

[Image: 20170304_223730.jpg]

[Image: 20170305_000605.jpg]

[Image: 20170305_000639.jpg]

Rust Bullet coats:
[Image: 20170305_224453.jpg]

[Image: 20170305_224521.jpg]

[Image: 20170306_121219.jpg]

[Image: 20170306_121258.jpg]

Seam sealer:
[Image: 20170312_173705.jpg]

[Image: 20170312_173806.jpg]

UPOL bedliner coats:
[Image: 20170313_122842.jpg]

[Image: 20170313_122852.jpg]

Eastwood's trunk paing
[Image: 20170331_175900.jpg]

[Image: 20170331_175927.jpg]

Wheel well after Eastwood's undercoating:
[Image: 20170428_174931.jpg]

Bottom of rear fender after repair and painting:
[Image: 20170428_175011.jpg]


        [Image: 20160929_171923_edit2_small.jpg]

1971 M-Code Mach 1 w/Ram Air, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump
4-wheel disc brakes
  Reply
That is a lot of tedious work. Should be good for another 40+ years!
[Image: Stang1.jpg]
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Nice job!
- Mike
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That's a lot of cleaning and grinding, looks good
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Some time back I posted about my 6x9 speaker enclosures. I bought the car with these enclosures and after replacing the old Pioneer speakers with a new pair of Kickers I was disappointed with the sound of the bass. I have used these speakers in the past so I knew they have the pop I wanted. The enclosures were completely closed, so what I did is to port them. I purchased a 1.75" OD (1 5/8" ID) polycarbonate tube from Amazon to do the trick. What I like of this tube is that while it's tough, it's also thin. I used one of the many vent port calculators in the internet to get an idea of diameter/length of the tube. My goal was to make the longest port tube I could, which ended up being 11.5" long. You have to locate the end of the tube at least one diameter from the internal wall of the enclosure. In my case I let the tube protrude 3/4" out of the enclosure, which gave me 11.5". According to the calculator for the volume of my enclosure (minus the approximate volume of the tube and speaker), that diameter and length gave me a frequency of about 50Hz, which is not bad.
Well, the final result is amazing. The bass is now alive!! It was so worth it. I am satisfied with the sound so no need to get a subwoofer or anything more fancy.

[Image: 20170519_083744.jpg]
Don't get fooled by the Pioneer grill. I left it there so it looks "vintage". The speaker is a 6x9 Kicker.



Links:
Tubes: https://www.amazon.com/gp/product/B000OM...UTF8&psc=1
Vent port calculator: http://www.mobileinformationlabs.com/How...th%201.htm


        [Image: 20160929_171923_edit2_small.jpg]

1971 M-Code Mach 1 w/Ram Air, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump
4-wheel disc brakes
  Reply


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