ok... according to a March 2002 issue of Mustang Monthly...
| Fair | Good | Exel
66' coupe | 3575 | 5975 | 9850
Fastback | 5650 | 9300 | 15350
convert | 5725 | 9525 | 15725
---------------------------------------------------------------
Air | +450 | +600 | +750
Deluxe Int| +425 | +550 | +700

6 cyl. | -525 | -700 | -875
