http://www.1-formula.com/other-formulas/firebird-formula.html Firebird Formula Information, pictures and forum. Find new, certified or used Pontiac Firebird Formula models in your city. en-us Sat, 11 Oct 2008 21:50:12 GMT Tue, 3 Mar 2009 08:52:59 GMT www.1-formula.com www.1-formula.com http://www.1-formula.com/other-formulas/firebird-formula/1973-pontiac-firebird-formula.html A bold new eggcrate grille decorated the front end of the base Firebird, Esprit, and the 1973 Pontiac Firebird Formula Tue, 3 Mar 2009 08:52:59 GMT http://www.1-formula.com/other-formulas/firebird-formula/1973-pontiac-firebird-formula.html