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Template: C4. 8 languages. ... Download as PDF; Printable version; In other projects Wikidata item ...
In drag racing, a transbrake is a mechanism that selectively places the transmission in a forward and reverse gear simultaneously. This allows the engine to create full power without transmitting that power through the driveline, allowing the car to stay in one place.
Instead, the C4 model recommends using simple diagrams based on nested boxes in order to facilitate interactive collaborative drawing. The technique also promotes good modelling practices such as providing a title and legend on every diagram, and clear unambiguous labelling in order to facilitate the understanding by the intended audience.
The 4T80E is a series of front wheel drive fully automatic transmissions from General Motors.Designed for transverse engine configurations, the series includes 4 gear bearing overdrive [1] [2] 2 electronic shift solenoids, and electronic force motor to control line pressure.
The solenoid can be useful for positioning, stopping mid-stroke, or for low velocity actuation; especially in a closed loop control system. A uni-directional solenoid would actuate against an opposing force or a dual solenoid system would be self cycling. The proportional concept is more fully described in SAE publication 860759 (1986).
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The C4 was designed to be a lighter and simpler replacement for the original Ford-O-Matic two speed transmission being used in smaller, less powerful cars. Ford used the term "SelectShift" because in the first C4's, placing the gear selector in D2 forced the transmission to start in second gear and then shift to third gear.
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