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The Tempest was the result of a decision by the Pontiac division to enter the compact car market following the success of the Chevrolet Corvair. [4] The division wanted to produce a clone of the Corvair, but instead GM gave Pontiac the lead to develop a new car in an interdivisional program coded named "X-100."
In addition to the 1970–71 L.A. Dart, Shrewsberry still owns his 1972 L.A. Dart funny car with flip-up body, his original 1963 Super Duty Tempest (one of only four remaining), the 1965 Hemi Under Glass Barracuda, the Knott's Berry Wagon, a 1964 Mercury Comet Caliente 427 which he raced in A/FX that year with Jack Chrisman (one of only 50 ...
The Pontiac Trophy 4 engine (also called the Indianapolis 4, [1] or Indy 4) is a 194.5 cu in (3.2 L) inline four-cylinder engine [2] produced by the Pontiac Motor Division of General Motors for model years 1961 through 1963. [3] Created from one bank of Pontiac's powerful 389 cu in (6.4 L) Trophy V8, [3] its only application was in the first ...
In 1963 Pontiac dropped the Buick division built 215 cu. in. aluminum V8 it had offered in the Tempest and replaced it with a small-bore version of the standard 389 cu in (6.4 L) Pontiac V8. It shared the 389's 3 + 3 ⁄ 4 in (95.3 mm) stroke, but its bore was 3.78 in (96.0 mm) for a displacement of 336.66 cu in (5.5 L).
The Tempest also used an independent rear swing axle suspension similar to the rear-engine Chevy Corvair while the Buick and Olds compacts featured a conventional rear coil spring suspension. For 1963, Pontiac replaced the Buick-sourced 215 aluminum V8 with a Pontiac built 336 cubic-inch V8 as the top power option for the Tempest.
An optional Buick 215 cu in (3.5 L) V8, was not popular when it was available for 1961 and 1962 in the Tempest. For 1963, Pontiac replaced it with a new "326" that was actually 336 cu in (5.5 L) V8 with a bore of 3.78 and stroke of 3.75 (same stroke as the 389). It was based and shared parts with the 389, but an altered, reduced bore.
Bloomington woman remembers first car, one of several she received as gifts from boyfriends through the years.
The 405 hp (302 kW) Super Duty 421 was still offered to racing teams during the early portion of the model year but discontinued after General Motors ordered Pontiac (and Chevrolet) to "cease and desist" from factory-supported racing efforts in February 1963.