I was born in January 29th 1966. I own a Hardtop 200 with a scheduled build date of June 11th 1966. I bought this car to my 50th birthday, I specifically wanted a 66 Mustang, so I have it.!
Now, I have bought my second Mustang, it's a 1966 Convertible 289 with a scheduled build date of September 9th 1965, so this is the closest one to my birthday.!
Sorry I haven't any parts related with your birthday buddy, good luck finding them.!
1966 Mustang Hardtop 200 Inline 6 - Arcadian Blue - AT TE - 6R07T213966 - San Jose built June 11th 1966 - DSO 71
1966 Mustang Convertible 289-2V - Vintage Burgundy - AT PS DB - 6F08C109403 - Dearborn built September 9th 1965 - DSO 36