A Stage 1 clutch is the introductory level clutch used in cars used for daily driving. Stage 2 and greater clutches are designed for racing applications.
A stage 1 clutch is built for street cars that are mildly modified. The clutch has increased clamp loads that allow the capacity to handle the modified engines of the street cars.
It's a form of speed where there car is at full speed before it reaches it's climax and transitions into a stage 3 clutch.
You can find a Stage 2 or 3 clutch on eBay for about the same price as you could buy and OME clutch at your local autoparts store. About 150 for the clutch, and 100 to 300 for installation (depending on the mechenic). -Antwon00
No, a clutch has nothing to do with effeciency of the engine.
Nord Stage 2.
Father Knows Best - 1954 Stage to Yuma 2-14 is rated/received certificates of: Australia:G
You should use the clutch anytime you shift, up or down. It is possible to downshift without the clutch, when there is little torque involved, such as slowing for a stop, but that still causes momentary high torque on the engine and transmissioin components. There is usually a torque spreader inside that will handle these torque transients, but it is designed to only handle the momentum of the transmission and final stage clutch, not the input stage clutch and engine.
Father Knows Best - 1954 Stage to Yuma 2-14 was released on: USA: 7 December 1955
The best clutch shooter in the NBA is either Kobe Bryant or Kevin Durant
There are multiple websites to learn the designing of a clutch, depending on what clutch design you are looking for.
SACH clutch is probably the best.