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Beginning in 1998 a new 300mm torque converter with improved higher-capacity internals, 300mm style input shaft, and 300mm style pump was also introduced on models coupled to a Gen III Small Block. The 4L60E is rated to handle up to 360 ft⋅lb (490 N⋅m) of torque. It weighs 133 pounds without transmission fluid. [1]
GM's Automatic Safety Transmission (AST) was a semi-automatic transmission released in 1937. The first mass-produced fully-automatic transmission developed for passenger automobile use was the GM Hydramatic introduced in 1940. [1]
For the 1981 model year, a lock-up torque converter was introduced which coincided with the new EMC control of most GM cars; this version is the THM350-C, which was phased out in 1984 in GM passenger cars for the 700R4. Chevrolet/GMC trucks and vans used the THM350-C until 1986. The lock-up torque converter was unpopular with transmission builders.
The fuel injection was a batch fire system and used a two piece cast aluminum dual-plenum manifold. This engine was available in Chevrolet S-10/GMC Sonoma pickups, Chevrolet S-10 Blazer/GMC S-15 Jimmy/Oldsmobile Bravada SUVs, and Chevrolet Astro/GMC Safari vans only. The L35 was rated at 200 hp (149 kW) and 260 lb⋅ft (353 N⋅m) of torque.
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]
1983–1990 Chevrolet S-10 Blazer 2-door 1985 Chevrolet S-10 Blazer 2-door, rear view. Base power was provided by GM's 2.0-liter OHV gasoline inline four-cylinder engine, producing up to 83 horsepower (62 kW). A 2.8-liter 110 hp (82 kW) V6 was offered as an option (coincidentally, this engine was also used in Jeep's competing Cherokee until 1987).
The 2.2l S10/Sonoma had the starter located in the same position as front wheel drive cars. A rear wheel drive bellhousing is displayed at right, and the integrated front wheel drive bellhousing is displayed at the lower right (in this case, as a part of the GM 6T70 Transmission).
The Chevrolet S-10 is a compact pickup truck produced by Chevrolet.It was the first domestically-built compact pickup of the big three American automakers. When it was first introduced as a "quarter-ton pickup" in 1981 for the 1982 model year, the GMC version was known as the S-15 and later renamed the GMC Sonoma.