SAAC Forum

The Cars => 1966 Shelby GT350/GT350H => Topic started by: brandosaac on June 18, 2026, 06:55:31 PM

Title: 66 Quarter Window Authenticity Help
Post by: brandosaac on June 18, 2026, 06:55:31 PM
I am looking for some help to identify if all of these parts I have are original.
Long story short, I picked up these parts from someone who has restored a handful of 65-66 shelbys in his day. After getting the parts home and going through the boxes I reached back out to him and asked if all parts were original take offs. He is quite old, but recalls installing a complete new Branda kit for the restoration and saved these take off parts. The parts were wrapped in newspaper dated 2001 so most likely theyve been boxed up since then.

The 4 black frame pieces are plastic and have grain, the gaskets and plexiglass deffinately look like they are 60+ yrs old, no markings on plexiglass, but its the exterior molding that is in question, How can I tell if they are original or not? What material was used? what finish? how to determine the finish? are there certain bends or crimp marks to look for?

Once I properly identify them Id like to get them to someone restoring a 66 , so would also like to know what fair market value might be as well?
I have many more pics if needed.

Looking forward to any replies, thanks

Title: Re: 66 Quarter Window Authenticity Help
Post by: brandosaac on June 18, 2026, 06:57:24 PM
more pics
Title: Re: 66 Quarter Window Authenticity Help
Post by: brandosaac on June 18, 2026, 06:59:35 PM
and more pics
Title: Re: 66 Quarter Window Authenticity Help
Post by: brandosaac on June 18, 2026, 07:00:13 PM
pics

thank you
Title: Re: 66 Quarter Window Authenticity Help
Post by: 6s1640 on June 19, 2026, 12:17:34 AM
Hi Brandosaac,

Because the original black trim pieces were plastic, not fiberglass like the Branda Kit, yours are likely original because they are plastic.  Because of their age, they tend to warp and that is when owners like to replace with new straight pieces.  The aluminum molding is probably original as well, guilt by association to the plastic pieces.  The plexiglass if original probably has some grazing, showing it age and authenticity.  I'd say, base on your story and the what you have shown us, they are original.  Value is a harder one to determine.  At least a couple of hundred dollars.  Maybe double a Branda kit.

Hope that helps.

Cory
Title: Re: 66 Quarter Window Authenticity Help
Post by: Bob Gaines on June 19, 2026, 01:07:31 AM
Quote from: 6s1640 on Today at 12:17:34 AMHi Brandosaac,

Because the original black trim pieces were plastic, not fiberglass like the Branda Kit, yours are likely original because they are plastic.  Because of their age, they tend to warp and that is when owners like to replace with new straight pieces.  The aluminum molding is probably original as well, guilt by association to the plastic pieces.  The plexiglass if original probably has some grazing, showing it age and authenticity.  I'd say, base on your story and the what you have shown us, they are original.  Value is a harder one to determine.  At least a couple of hundred dollars.  Maybe double a Branda kit.

Hope that helps.

Cory

The exterior aluminum trim That SA used was Brite dip anodized from the MFG. That is a special type of clear anodizing the automotive industry uses on aluminum trim that protects but does not dull the shine like if you did a typical clear anodizing job on them. If you can noticeably polish the trim up with aluminum polish (black on a rag) then they are not anodized . The clear anodizing barrier keeps that from happening in the same way the anodizing keeps the aluminum surface underneath the clear from reacting with the air and oxidizing(turning dull).
Title: Re: 66 Quarter Window Authenticity Help
Post by: brandosaac on June 19, 2026, 02:32:25 PM
thanks for the replies,
I dont have alum polish , do you think its safe to use good old fashion (turtle wax) chrome polish cream to do this test?
Title: Re: 66 Quarter Window Authenticity Help
Post by: Bob Gaines on June 19, 2026, 03:22:59 PM
Quote from: brandosaac on Today at 02:32:25 PMthanks for the replies,
I dont have alum polish , do you think its safe to use good old fashion (turtle wax) chrome polish cream to do this test?
Quote from: brandosaac on Today at 02:32:25 PMthanks for the replies,
I dont have alum polish , do you think its safe to use good old fashion (turtle wax) chrome polish cream to do this test?
I suppose if you tested your polish on something tarnished aluminum and it rubbed off black on the rag then  you could expect the same result on a bare aluminum quarter window trim piece.