A couple minor points; I believe the 7028268 was a Quadrajet for larger 400/428 HO Pontiacs. The '68 Firebirds with a 400HO and TH400 got the same carb as the 400's, a 7028264. see: Carb AMA Specs By "Windslow Blue" did you mean the special color windward blue? See: Special Colors