In the 70s Pontiac made the fastest showroom stock standard sporty cars. The 1973/74 SD 455 & 1977-79 W72 400 Trans Ams got 1/4 mile in 13.56 & 14.6 seconds in Hot Rod magazine, 1973 & 1979 respectively.
1973/74 SD 455 Trans Am
http://www.geocities.com/wrenchplus/73xtra.html
1977/78 W72 400 Bandit style Trans Am
http://www.78ta.com/international.htm
Even the automatic 1981 turbo 4.9 Trans Am kicked butt that year when it got 16 seconds flat on ultra low octane gas and the Camaro Z/28 got 16.5, and a 4 speed Corvette got 17 seconds flat in Road & Track that year.
1980/81 Turbo Trans Am
http://my.execpc.com/~steveb/transam/rehorn/page1.html
Trans Am, king of 1973-81!
