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The police package (9C1) B-body cars featured a First Gear Block Out (FGBO) Plate on the transmission housing to prevent drivetrain damage. The shift point for first to second gear is about 43 MPH (69 km/h) while second to third gear shift point is about 83 MPH (134 km/h) assuming a 3.08:1 differential and a 5,500 RPM engine speed limit.
Saginaw M26/27 transmission — 3 and 4-speed longitudinal light duty (less than 300 hp) wide ratio manual transmission made by GM at their Saginaw, Michigan factory; Muncie M62/M64 — 3-speed longitudinal transmission made by GM; Muncie SM318 transmission — 3-speed transmission used from 1954 through 1969 in both passenger car and truck ...
The 1500HD, introduced in 2000 for the 2001 model year, offered a Vortec 6000 V8 with 300 hp (224 kW) at 5200 rpm and 360 lb⋅ft (488 N⋅m) of torque at 4000 rpm with a Hydra-Matic 4L80-E four-speed automatic transmission. The 1500HD was only available in a crew-cab, standard-box configuration and shares several mechanical components with the ...
Designed for longitudinal engine configurations, the series included 4 forward gears. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. 4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and commercial vehicles, and the Hummer H1.
For 1991 GM introduced the 4T60-E which was a 4T60 with electronic controls, first seen on the new Buick Park Avenue.One benefit was that the cruise control was integrated into the gearbox' electronic control module, improving the ability to maintain a set speed while avoiding needless shifting, thus lowering fuel consumption and noise levels. [1]
In 1996, GM introduced a redesigned 4L60E transmission case that incorporated a bolt-on bellhousing and a six-bolt tail housing. This two-piece case style was first seen in 1996 and up model S-10 Blazer, S-10 pickup, GMC Jimmy, and GMC Sonoma with the 4.3 L engine. The majority of 1998 and later applications of the 4L60E were two-piece cases (i ...
The engine models are identified by the cylinder bore diameter in centimeters, which as of 2024 range from 20 to 46 centimetres (7.9 to 18.1 inches). The smallest engine series, Wärtsilä 20, produces a modest 200 to 220 kW (270 to 300 hp) per cylinder and is available in inline configurations from 4 to 9 cylinders.
SOHC (A different Brazilian based engine was used in the Chevrolet Chevette) 1980–2014 Family II SOHC/DOHC (designed by Opel) [16] [17] [18] 1981–2003 GM 122/Vortec 2200; 1981–2009 Saab H (acquired as part of Saab's merger into GM) 1982–present Family 1 SOHC/DOHC (designed by Opel) [19] 1987–2001 Quad 4 DOHC (produced by Oldsmobile)