Ford Thunderbird be positioned back in the trunk. The V8 became the Thunderbird's standard engine, and now produced . Other, even more powerful versions of the V8 were available including one with two four-barrel Holley carburetors and another with a Paxton supercharger delivering . Though Ford was pleased to see sales of the Thunderbird rise to a record-breaking 21,380 units for 1957, company executives felt the car could do even better, leading to a substantial redesign of the car for 1958. Although the 1955-57 Thunderbird was a success, Ford executives—particularly Robert McNamara – were concerned that the car's position as a two-seater
Puma (car manufacturer) increasingly import-friendly regulations of the mid 1980s and turmoil in the company are widely considered to be among the main factors that ended the production of the first generation of Puma's Brazilian produced automobiles. During this era, Puma sourced engines from DKW (3 cylinders), Volkswagen (4 cylinders) and General Motors (4 and 6 cylinder) and mounted them on their own chassis and Fiberglass bodies. A select number of cars were exported to US markets during the 1970s to the 1980s, but a more cost effective Kit car option was responsible for the majority of US models. The Kit car variant