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
Thunderbird 2 pod vehicles seen in "End of The Road". No model manufacturer has yet made a "Thunderbird 2" model which incorporates these grabs. The Sealant Device is an underwater machine capable of sealing cracks in the sea bed or underwater air pockets. The device is initially buoyant but can be submerged and towed underwater by Thunderbird 4 to a disaster zone. Four steel pins are then activated which cement themselves into the ground whilst the central section acts as the sealant. The Sealant Device is seen in the episode "Atlantic Inferno". No models have been produced of this device. "Thunderbird 2" is used