I posted this on Yenko.net, but am posting it here as well...

Does anyone have info to decipher the different wheel cover codes on build sheets? I'm looking at box #91 on a 70 Chevelle sheet. I'm specifically trying to find out what the code would be for the standard 68-70 "dog dish" hubcaps, part #3916434.

Asking this another way, does anyone know what wheel cover is indicated by "BG---"? I'm guessing this means a small cap (the standard dog dish?) with no trim ring.

Thanks!