I don't know if they make deluxe seat foam for the rear but you can always cut foam from a craft store like Michael's or JoAnn and spray glue to your original. The seat frames, themselves, are the same. You'll need the brackets for the door pulls for the deluxe door panels and the door handles. If you'll be adding the door courtesy lights you'll also need the wiring and the grommets for the doors and jambs. There is a bracket for the console base at the front and a harness for the console lights. The biggest change to deal with will be the instrument cluster as there will be 2 major differences. First, there are 2 turn signal indicators versus a single one. That is fairly easy to deal with. The second is the change from an alternator warning lamp to an ammeter. A suggestion would be converting the ammeter to a voltmeter and leaving the alternator warning lamp wiring in place... I'd probably replace the socket with one of these small $3.99 (Summit) indicators that pull through a 1/4" hole and use an existing hole under the dash... That'll give you a visual cue to a charging system issue as well as maintain the existing wiring.

 

You'll need the pistol-grip door opening handles, kick panel carpeting and trim, rear quarter upholstery and padding, the rear quarter stainless trim cap and screws. You may run into an obstacle in changing the instrument bezel, as the original 65s with 5-dial gauge cluster and all 66s had a round scallop on the metal part of the dash for the bezel. So be sure to get a 65 conversion woodgrain bezel or be prepared to mod the dash or bezel a little as required. I went from standard to deluxe on my son's 66 at his request. Still planning to put the restored AC components and a restored console in later on.

Before...

After...well, sort of...

 

Did the rear seat foam work out with the rear deluxe upholstery?

 

Door latches and door panel clips are different as well. Quarter panel upholstery and door stainless pieces, door cups also needed. On rear of each door panel is a single screw too.

 

Lots of good information. I knew there was more than just upholstery and door panels, but wow that's a lot. I currently have an all black interior and want to add some contrasting color so I was going to go with black and white upholstery, white door panels, white dash, black dash pad, white steering column and steering wheel, black headliner is in great shape so I don't want to replace it. It would be similar to firstcar66's only in black and white. So I'm leaning toward upholstery and maybe door panels only. I'm not concerned so much with it being 100% correct, I just want it to be more than solid black.

 

.... I'm not concerned so much with it being 100% correct, I just want it to be more than solid black.

If you only want "a little less black" consider these two tone door panel. They are the ones I bought.

TMI Pony Door Panel Two-Tone Pair Pony Interior 1965-1966

 

The shaft is different. I swapped to deluxe door handles last year and had to change them. Don't buy from CJ. The one's I got from them didn't work. I am not sure who their supplier is. I just returned them and ordered from NPD.

 

Another option if your interior is good shape.

You can customize your interior with SEM dye/paint for flexible surfaces.
I’ve used this on several interior pieces.

It can be purchased at local auto part stores.
NPD also has them in various original colors too.

 

Thanks everyone for all the information. It will really help in making my final decision.

 

So here are some pics of the final product. (and a before pic). Added a little white to break up the black and I'm really happy with it. The only thing I question is whether a black steering wheel would have been better. Anyway its staying as it is. They only offer the two tone upholstery in deluxe, so I decided to go with the pony seats with the rest staying as standard.
Oh, and by the way, the yellow paint will be going bye-bye and return to its original silver smoke grey. I'm doing one step at a time and its time for a break.
The 8-track player was in the car when I got it and looks like brand new so I put it back in since it is time period correct. I left the the old UCLA sticker in the back window also.

 

Looks real nice, you need a set of Deluxe Quarter panel trim caps.

1964-73 Mustang Interior Quarter Panel Trim Caps

YEARONE Classic Car Parts for American Muscle Cars | Barracuda Cuda Challenger Charger Chevelle Road Runner Camaro Super Bee Dart Duster Valiant Firebird GTO Cutlass 442 Mustang Nova GM Truck Skylark GS Monte Carlo El Camino Mopar Chevy

www.yearone.com

John

 

Looks great.

If you’re brave enough...
Could customize your existing door panels to make it two toned as well.

Use a quality masking tape next to the stainless trim on door.

3m has a blue exterior masking tape for painting that prevents bleed through. It stretches a little for curves too. It doesn’t leave a residue like the 3m interior tapes.

There are probably better options but kinda limited resources in my small town in middle of nowhere.

 

Looks great!!

Chris

 

I really like it. I have an all black interior that I feel comfortable with, but I like what you did here.

 

I dig it. I have a tip that’s going to finish it off and you’ll love the two tone:

Paint the top part of the kick panel the same white as the dash. The two tone pony interior works because it has the contrasting carpet on the kick panel that aligns with the door panel. The continuous wraparound feel of it justifies the contrast. Of course, you could spring for the pony carpet and trim piece if you’re feeling fancy. Either way, with the door panel feeling connected to the dash, the two tone will feel just right.

Different colors here, but you see what I’m talking about.

 

Very nice, really freshens the interior up, love the look.

 

Very nice job.