Also, a fast-idle cam makes the engine idle more quickly when it is cold, thereby avoiding stalling the engine. ... In addition, the 1966 1600 type 3 also incorporated it, along with the 1500 type 3 aquot;notch- backaquot; and other 1500 type 3 models ... At idle speed, the throttle valve is practically closed, so there is not enough vacuum in the venturi to cause the fuel to be drawn out of the discharge arm (see diagram).
|Title||:||Chilton's repair and tune-up guide for the Volkswagen, 1949-71|
|Author||:||Chilton Book Company|
|Publisher||:||Nichols Publishing Company - 1972-09|