![]() ![]() Turbo Trans AmĮxcluding the five test cars, all TTA models were white with a tan interior. Though production dropped slightly from the previous year, sales of the GTA were still high, with a total production of 8,081 for the year. Production was at 5,701 for the year, which would seem high compared to 1990. Probably due to the increasing interest in the Formula and GTA (and the TTA this year), sales of the Trans Am continued to decline. Unfortunately this number would be cut by about a quarter the following year. Sales of the Formula model reached an all time high in 1989, and 16,670 were produced. Total production for the model year was 31,876. FirebirdĪs it had been since 1984, the base Firebird was the best selling of all the models. In all, 64,409 Firebirds were produced, though this number would drop significantly in 1990. Perhaps because of all the excitement Pontiac added to the lineup, sales were up slightly from the previous year. Some cars also were equipped with GM’s Vehicle Anti Theft System (VATS), which included a small resistor embedded in the key of the car. Firebirds with rear disc brakes received PBR brake calipers and larger rotors, which increased stopping power. Though these were lighter in weight than previous options, time has shown these tend to age faster than older glass models. Other changes to the car in 1989 included the addition of new Lexan plastic tops for T-top models. True to the above statement taken from the Firebird sales brochures, the actual pace car were reportedly randomly selected from the 1,550 TTA models produced (with an additional five being test cars), and were only slightly changed with the addition of strobe lights and safety equipment. The result was a 250 horsepower motor that many testers felt was a conservative number. The aforementioned Buick 3.8 litre V6 was put into the Firebird TTA frame after Pontiac modified both the cylinder heads and the turbo system. Perhaps most surprising, however, was the fact that the top horsepower rating was offered by a V6. 5.0 models could be rated as low as 170 or as high as 230, while 5.7 engines were either 230 or 240. Because they weren’t installed on all V8 models throughout the production year, horsepower ratings vary more than usual. Though the 1989 models may not outwardly differ from their 1988 predecessors, there were many changes afoot for the car that year, particularly in regard to the aforementioned special models and the increased power under the hood.įirst to consider was the new catalytic converters, which squeezed an additional 13 percent of power from the 5.0 and 5.7 litre V8s that were installed in.
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