How to ID 1965 Mustang Fastback Fold Down Seats



Identification by Model Year

65 Identification

66 Identification

67 Identification

68 Identification

69-70 Identification

If you remember nothing else...

Top Identification Tips

Parts needed to Convert to Fold Down Seat by Model Year

67-68 Conversion

69-70 Conversion

How to restore your Fold Down Seat

Restoring main panels

Salvaging a Trap Door

How to get it in the car

How to make Adjustments

Reproduction parts evaluation

Trap Doors

Seat Trim

Repro Parts

How to make use of 65 panels

Cutting a 65 Seat

Fold Down Parts For Sale

For Sale

FOR SHAME!  The Ignorant or Liars

EBay Scams

65 fold down seats are easily identified by the rectangular shaped seat support on the rear panel, and a corresponding short round stop bumper that rests against it. 65 fold down seats also have only one latch, and as such have only one cutout for the latch in the seat on the passenger side. The latch guide is plastic and mounts with one screw.

Of note about 65 fastbacks is that 100% of them, yes, every one, came with a fold down seat as a standard option.  If you are working on a 65 fastback without a fold down seat, you can blame a previous owner for selling or discarding this option, because your car did originally come with it.  If you are working on a later year Mustang, chances are somebody is trying to sell you 65 fold down parts because they are much more prolific than the later year seats.

Identifying features

All of these pictures are thumb-nailed so that you can see the full resolution picture if you so choose.


Here is the view into the back of a 65 Fastback owned by Dave and Terri Gibson.  This fastback interior is in original unrestored condition.  You can see the latch on the passenger side as well as the rectangular shaped seat support in the far back corner.


This is a close-up of the rectangular seat support mentioned above.



This is the 65 style short round seat stop bumper. This fits against the seat support, as pictured below



The 65 side panel has a rectangular hole in the chrome trim for the latch only on the passenger side, which is protected by a black plastic latch guide.


Here is the side trim for the L-shaped panel.  Notice 2 things here.  1, again, there is no hole for a latch on the driver side (top, as pictured).  2, notice how the panel with the latch hole is retained, ie, note the screw holes.  This will be important to note as the screw hole on the left as pictured is in a slightly different location than the corresponding screw hole in later years.  Also note that this is the only screw hole adjacent to the latch hole.  67 and later years will have one hole in each side.


For comparison, here is the 65-66 style trim (top) compared to 67-68 style trim (middle) and 69-70 style trim (bottom).  Side by side the difference is very distinct if you know what to look for.  (I apologize, I took pictures of the wrong side for comparison, these are driver side pieces, and the top one is a reproduction piece for 65-66 that should not have a hole it in if it were to actually be used on a 65-66 car).

  Insert picture of 65-66 trap door

The two hinges on the left are for 65-66, the hinge on the right is for 67-70.  They have slightly different profiles, but easiest identifying feature is that 65-66 has all elongated bolt holes, 67-70 has round bolt holes where it attaches to the trap door. 

  Insert picture of 65-66 trap door prop rod
  Insert picture of 65-66 trap door latch

1965 fastback with fold down seat in the upright position.


Now that we know that all 65 fastbacks came with these, and we know the easily identifiable external features, lets take a look at what they look like underneath.  For many EBay listings or swap meets, you will find these panels disassembled with no carpet and no trim. 


In this picture the black panel is from a 1970, the red one is from a 1965. Same size, shape and contours except for the area around the hole for the latch.  The 1970 is recessed and has one extra screw hole for the metal latch guide. As pictured, the left screw hole for the latch guide replaces the left most trim screw.  Note as compared to the trim pictured above, that the left screw holes do not line up exactly.


Close up of area discussed above.


Again using the 70 and 65 piece to compare, notice how the top panel is threaded near the outer edge with a 5/16-18 nut for the 66 and later style stop bumper. The 65 only has a regular screw hole for the 65 style round stop bumper.


Rear panels are identical except for these mounting holes for the support plates. Top (blue) is for 65. Note the screw holes to the left edge for the rectangular shaped support plate. Bottom (brown) is for 66-70. Note the holes are moved inboard about two inches, and there is a triangle cut-out for the recess in the oval shaped support plate. You can also see on the carpet how the 65 had chrome trim across the back while the 70 this particular panel came from had just the trapdoor latch catch plate.




Rear side of both the 65 and 70 are nearly identical. The same brackets are used to hold them in place (pictured to the right of the panels), and they both have the rubber bumper glued to the center of the panel (brown one has lost the rubber, but glue residue remains indicating its presence at some time).  Can you see the difference?  The holes for the brackets are not in the exact same location, they are shifted approximately 1/2" towards the front of the car starting in 1966.



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