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Additionally, for Wrangler owners with high-horsepower GM LS engines, the 14-bolt can handle the engines' increased stress. [8] Many Wrangler owners will have up to two inches removed from the bottom of the 10.5" 14-bolt differential housing to maximize ground clearance. [9] The popularity of GM trucks and vans made 10.5" 14-bolt axles a common ...
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] The Hydramatic was a big success, and had been installed in the majority of GM models by 1950.
The 2nd Generation axles were driver's side with ball joints. 30 spline axle shafts were used instead of 35 splines, except 2000, 2001 and 2002 models which were equipped with 32 spline axle shafts. GM versions are passenger side differential drop, standard rotation gears, kingpin knuckles and 35 spline axle shafts.
The GM 9.25 IFS has been the main front differential in Four-wheel drive 3/4 Ton and 1 Ton GM trucks since 1988. The Dana 60 solid axle front end was used selectively in trucks with a higher GVWR from 1988 to 1991. The original Saginaw 9.5 differential, ring and pinion were modified to work with the independent front suspension.
The OEM Limited slip differential originally was a "Power Lok" until 1998 when the "Trac Lok" phased it out. Trac Loks were a US$350.00 option with Ford Super Duty trucks. [ 1 ] The Dana 80 Trac Lok is unique being it is a 4 pinion unit, unlike other Dana Trac Lok units with 2 pinions.
The earliest verified use of a differential was in a clock made by Joseph Williamson in 1720. It employed a differential to add the equation of time to local mean time, as determined by the clock mechanism, to produce solar time, which would have been the same as the reading of a sundial. During the 18th century, sundials were considered to ...