![]() There was also a spot in the gauge cluster reading ASR off. In 1994, this was swapped to a non-removable reflashable chip, which could be reprogrammed via the Assembly Line Diagnostic Link (ALDL) located underneath the driver's side of the dashboard, next to the center console.ĭashboard gauge graphics were changed from yellow to white. In 1993, the computer used a removable Memcal chip essential to run the systems. ![]() Another prominent difference between 19 systems is how the programming (or custom tuning) of the computer takes place. The computer uses engine sensors to judge engine conditions and provide the proper fueling off of this mass airflow reading. The reduced heat is converted into a voltage signal, read by the PCM which interprets that voltage signal as mass flow. This system uses a Mass Air Flow Sensor placed in front of the throttle body to measure incoming airflow into the motor by using a heated wire sensor in the airstream path, which has heat pulled away from it via the incoming air. In 1994 however, the computer logic was changed to a Mass Air Flow system. An Intake Air Temperature (IAT) sensor was also used, as air density changes with temperature. The computer in 1993 was run via Speed Density system, which measured engine speed (RPM) and load (MAP in kPa) to compute airflow requirements and then use that against the VE (Volumetric Efficiency) table to closely estimate the amount of fuel to be injected. Accordingly, the car's on-board computer was modified from dealing only with the engine as in 1993 (ECM), to controlling both the engine and transmission on automatic models (PCM). The mechanically controlled and operated 4L60 automatic transmission was replaced with the electronically operated and controlled 4L60E, which was shared with other GM vehicles with V8s, such as the Tahoe. Several changes were made for the 1994 model year. A special "pace car edition" trim was introduced in the same year and featured "Indy 500" lettering on black and white body color scheme with multicolored pinstriping and white painted wheels. In 1993, the Camaro Z28 was selected as the official pace car for the Indianapolis 500. The V8 engine came standard with a 4-speed (4L60) automatic transmission, although the Borg-Warner T56 6-speed manual transmission was a no cost option. ![]() The Z28 featured the 5.7 L OHV LT1 V8 engine having a power output of 275 hp (205 kW) and 325 lb⋅ft (441 N⋅m) of torque that had been introduced on the Corvette one year earlier. The high performance Z28 model came with rectangular dual exhaust tips to distinguish it from the base models. Z28 1993 Camaro Z28 Indianapolis 500 pace car 1993 was the only year interior instruments had yellow lettering (this is one way to tell the 1993 models from the 1994 which had white interior instrument lettering). All models came with a red Chevrolet Bowtie on the grille. The 4-speed 4L60 automatic transmission was optional. The base models were powered by a 160 hp (119 kW) 3.4 L OHV V6 engine equipped with a 5-speed manual transmission as standard. Both the front and rear suspension design was improved over its predecessor. The new design incorporated sheet moulding compound (SMC) made from chopped fiberglass and polyester resin for the roof, hatch, doors, and spoiler. The production was moved from GM's Van Nuys, California assembly plant to Sainte-Thérèse, Quebec, Canada from November 1992. The fourth generation of the Camaro was introduced in January 1993, as a 1993 model. General Motors discontinued production of the fourth generation of the Camaro due to slow sales, a deteriorated sports coupé market, and plant overcapacity. The Camaro was revised in 1998 with both exterior and engine changes. It was introduced on an updated F-body platform, but retained the same characteristic since the first-generation's introduction back in 1967 2-doors, 2+2 seating, coupé (with optional T-top roof) or convertible bodystyles, rear-wheel drive, and a choice of OHV V6 and V8 engines. The fourth-generation Chevrolet Camaro is a pony car that was produced by American automobile manufacturer General Motors for the 1993 through 2002 model years.
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