[PonyDoc]

65 Comets have a lot of the same parts as mustangs, as with most 65 Fords. The doors will swap with the 64. Sheet metal is unique to that year. Check Auto Krafters for most parts. Most parts are not as plentiful as mustang, but are not usually that expensive, as this is the off year for collecting. 64 & 66 are more desirable, so you shouldn't get in too deep, if you pick your parts sources carefully.

 

[70Coupe]

I had a 4 spd vert in that year. Absolutely loved the car and wish I could find another. Unfortunately, it became one of those "drafted, must sell ads". As stated, many parts are interchangeable with the stang.

 

[G1967T]

Try http://www.tffn.net/cometclb.html for Comet's and http://www.thefordfalconnews.com/tffnie.html for 1965 Falcon's and Comets's.

 

[fordnut]

Hey buddy: Itried to send you a link to Crites Performance, but, it bounced back...If you will send me an e-mail, I will forward you the link. They have some cool parts for the Comet...
My e-mail is in my Bio.

 

[Cobra6]

I have not worked on a '65 Comet, but having worked on Rancheros, Falcons, and Fairlaines, the best advice I can give you is for you to go ahead and spend $40 or so on a DECENT interchange manual (not the one by Herd).
This will save you much time and $$$ by being able to use many Mustang parts that are widely reproduced and less expensive. You can also get junkyard parts from station wagons and other vehicles that no one wants.