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Pontiac was introduced in 1926 as a mid-level brand from the General Motors that
aimed to promote a more sporting, aggressive, and youthful driving. Pontiac also
marketed their vehicles to be more affordable as compared to Buick and Oldsmobile,
vehicles of the same class. One of the significant models that stood this aim
was the Pontiac Bonneville.
Pontiac’s dominance was clearly seen during the race to create the ultimate muscle
car in the sixties. This era gave birth to the Pontiac best vehicles: the Pontiac
GTO and the Pontiac Firebird. The GTO was originally offered as an option package
on the LeMans/Tempest with an over powered 389ci V8 Tri-Power setup with three
two-barrel carburetors. It sold extremely well during its period for it offered
a full-sized engine, a small body, and a “fire breathing” performance. The Firebird
on the other hand carried the 400ci V8 engine.
When the muscle car and Pontiac vehicles were at its peak, several events triggered
the decrease in muscle car production; the Clean Air Act of 1970 was passed in
the United States, the growing concern on the environment, and the awareness of
the finite supply of oil reserves. The fate of Pontiac was certain with these
events.
Pontiac responded to this sure downslide by adopting the new technology that
will reduce the emission of harmful gases caused by engine combustion. Pontiac
used the catalytic converter. As engine releases gases like carbon monoxide, hydrocarbons,
and nitrogen oxides, they are transformed into carbon dioxide, a less harmful
gas. This is achieved by the help of clay sheets separating the different chambers
of a catalytic converter. These clay sheets are consist of numerous fine holes
that are lined with a thin metal oxide and small particles of platinum and rhodium.
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Pontiac Catalytic Converter
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