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2. GM 4L60-E transmission - Wikipedia

   en.wikipedia.org/wiki/GM_4L60-E_transmission

   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.

3. Powershifting - Wikipedia

   en.wikipedia.org/wiki/Powershifting

   Keeping the engine in its power band allows it to put down power quicker when the clutch is re-engaged and power returns to the transmission. In a lot of powershift setups there is also a method of cutting the ignition or fuel delivery in a manner similar to a rev limiter , which prevents the engine from over-revving when the load from the ...

4. List of GM transmissions - Wikipedia

   en.wikipedia.org/wiki/List_of_GM_transmissions

   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 ...

5. GM 4T60-E transmission - Wikipedia

   en.wikipedia.org/wiki/GM_4T60-E_transmission

   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]

6. Shift-by-wire - Wikipedia

   en.wikipedia.org/wiki/Shift-by-wire

   Park-by-wire can be considered a part of a shift by wire system, as it shifts the transmission into park mode. [1] The main components of a park by wire system include the driver interface which could be a lever, switch, or knob; an electronic control unit ; and actuators which are capable of driving the parking pawl into and out of the locking ...

7. Float shifting - Wikipedia

   en.wikipedia.org/wiki/Float_shifting

   Float shifting can reduce clutch wear because it is used so much less (only for starting from a standstill). Conversely, improper engagement of a gear (when the engine and transmission speeds aren't matched) can cause wear on the synchros and lockouts, and damage the gears by physically grinding them together due to a difference in speed.