page_title: Chevrolet Camaro (third generation)
section_title: 1991
hierarchical_section_title: Chevrolet Camaro (third generation) / 1991
caption_attribution_description: My own pic
context_page_description: The third-generation Chevrolet Camaro is an American pony car which was introduced for the 1982 model year by Chevrolet. It continued to use General Motors' F-body platform and produced a "20th Anniversary Commemorative Edition" for 1987 and "25th Anniversary Heritage Edition" for 1992. These were also the first Camaros with factory fuel injection, four-speed automatic transmissions, five-speed manual transmissions, four-cylinder engines, 16-inch wheels, and hatchback bodies. For 1987 a convertible Camaro was reintroduced, converted by ASC in relatively small numbers. The third-generation Camaro continued through the 1992 model year.
context_section_description: Production for the 1991 Camaro started in February 1990. Big changes occurred, as all Camaros received a facelift in the form of a ground effects package for not only RS but also the Z28 models, while the IROC-Z was no longer offered. The Z28 also featured a high rise spoiler and non-functional hood "blisters". The CHMSL was relocated from the spoiler to the top of the Hatch again like the 1986 models, except the housing was now on the inside rather than the outside of the hatch.  The Convertible still retained the spoiler mounted 3rd brake light.  The 1991 Z28 also received a new wheel design to accent the new body. The B4C "Special Service" option was made available to law enforcement, the government, and military agencies. The B4C amounted to little more than a Z28 powertrain and suspension in the RS. (Car Craft Magazine refers to the B4C as a 1LE equipped with air conditioning; although this is slightly erroneous because in 1991, the large brakes with PBR calipers from the 1LE package were not included with B4C.) Just under 600 B4C Camaros were sold for 1991. Power ratings on the 350 TPI were as follows; 245 hp (183 kW) at 4,400 rpm and 345 lb⋅ft (468 N⋅m) at 3,200 rpm. Power rating on the 305 TPI motor were as follows; 230 hp (172 kW) at 4,200 rpm and 300 lb⋅ft (407 N⋅m) at 3,200 rpm. Power rating on the 305 TBI stayed  same at 170 hp(127 kW) at 4,000 rpm and 255 lb⋅ft (346 N⋅m) at 2,400 rpm. Rumors say that these numbers were slightly underrated by GM, but this has not been investigated.
  Beginning with the 1991 model year, GM pioneered some modified assembly techniques with the F-body Camaro and Firebird which were carried forward into the fourth generation. Different seam sealers, structural adhesives, and body assembly techniques were employed in key areas in an effort to reduce squeaks and rattles and improve the perception of quality.
  The SCCA Showroom-Stock-ready 1LE package continued with similar equipment to previous years, and was again triggered automatically by the G92 Performance Axle option combined with C41 basic ventilation system (no air conditioning) on the Z28 coupe. Enthusiasts and dealers were becoming more aware of the 1LE, as production increased to 478 units.
caption: 1991 Chevrolet Camaro Z28
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