The 1970 4-4-2 equipped with the W-30 455 was an epic muscle car but it could've been even better with the 32-Valve W-43 455 ...
This 455-equipped 1970 Buick GS listed for sale on Hemmings Marketplace is a ... The second torquey engine offering was the LS6, available as an option on the Chevelle and El Camino SS.