This comprehensive service manual provides detailed instructions for conducting an engine compression test on a 1983 Mazda RX-7 GSL. The manual covers essential steps and procedures for properly performing the test, ensuring accurate and reliable results. It offers a clear and concise guide, equipping you with the necessary knowledge and expertise to diagnose engine issues and maintain optimal performance for your 1983 Mazda RX-7 GSL.

The 1983 Mazda RX-7 GSL, a two-door sports car, marked the beginning of a legendary lineage that would forever alter the perception of Japanese automobiles. This first-generation RX-7, known internally as the SA, was the successor to the Mazda RX-3 and was meticulously designed to be a true driver's car. The GSL trim level, standing for "Grand Sport Luxury," boasted a refined interior and a powerful 1.1-liter 12A rotary engine, the heart of the RX-7's performance. This engine, despite its compact size, delivered an impressive 100 horsepower thanks to its unique design featuring a pair of triangular rotors spinning within a housing. The RX-7's lightweight construction, aerodynamic body, and precise handling contributed to its phenomenal agility and responsiveness. Its rear-wheel drive layout further accentuated its sporting character, making it a joy to drive on both winding roads and racetracks. Beyond its spirited performance, the RX-7 GSL offered a level of comfort and sophistication rare for sports cars of its era. The interior, draped in luxurious velour fabric, boasted a comprehensive instrument cluster that kept the driver informed of the car's vital signs. The car’s innovative features included a digital instrument panel, a sunroof, power windows, and rear spoilers. The RX-7 GSL’s popularity soon extended beyond the Japanese market, with its export to the United States marking a significant step in Mazda’s ambition to establish itself as a global automotive force. The 1983 RX-7 GSL not only captivated enthusiasts with its performance and handling but also paved the way for the iconic RX-7 legacy, solidifying Mazda’s reputation as a manufacturer of high-performance, innovative, and stylish sports cars.