Thanks everyone, that is exactly the info I needed. It is clearly the spot on the floorboard where the dimple is located. I have a hose and the retaining clip I had been saving for my 66, I am really surprised everyone sells the hoses but no one sells the retainer. I'll have to hunt down one.
68 289 convertible Candy-apple red & white
66 200 coupe Blue
94 GT convertible Red & black
98 GT convertible White & black
98 V6 convertible White & tan