1958 Chevrolet Impala

1958 Chevrolet Impala 
The Impala was introduced for the 1958 model year as top of the line hardtops and convertibles. From the windshield pillar rearward, the 1958 Impala differed structurally from the lower-priced Chevrolet models. Hardtops had a slightly shorter greenhouse and longer rear deck. The wheelbase of the Impala was longer than the lower priced models, although the overall length was identical. Interiors held a two-spoke steering wheel and color-keyed door panels with brushed aluminum trim. No other series included a convertible.The Chevrolet Impala is often credited with starting the muscle car era. 
 Three Taillight in 1958 Impala
The 1958 models were longer, lower, and wider than its predecessors. The tail fins of the 1957 were replaced by deeply sculptured rear fenders. Impalas had three taillights each side, while lesser models had two and wagons just one. Crossed-flag insignia's were attached above the side moldings, as well as bright rocker moldings and dummy rear-fender scoops. 1958 was the first year of dual headlamps.
1958, GM was promoting their fiftieth year of production, and introduced anniversary models for each brand; Cadillac, Buick, Oldsmobile, Pontiac, and Chevrolet. The 1958 models shared a common appearance on the top models for each brand; Cadillac Eldorado Seville, Buick Roadmaster Riviera, Oldsmobile Holiday 88, Pontiac Bonneville Catalina, and the all-new Chevrolet Impala.
W-series Turbo Thrust V8
A coil spring suspension replaced the previous year's rear leaf springs, and an air ride system was optional. A 283 cu in (4,640 cc) engine was the standard V8, with ratings that ranged from 185 to 290 horsepower. A "W" block (not to be confused with the big-block) 348 cu in (5,700 cc) Turbo-Thrust V8 was optional, producing 250 hp (190 kW), 280 hp (210 kW), or 315 hp (235 kW). The Ramjet fuel injection was available as an option for the Turbo-Fire 283 V8, not popular in 1958.


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