From the 1969 Firebird sales brochure printed 09/68...note the differentiation between HO and RA.
Quote:
Frankly, we don't know what you'd call our 400 after you've opted for a 400 H.O. with its high-output cam and free-flowing exhaust. Maybe even with a Ram Air Package.
Our 400 Ram Air IV is a different breed altogether...
Vikki 1969 Goldenrod Yellow / black 400 convertible numbers matching