mel_t_vin

Is the vertically-oriented spring on the throttle body, to the inside of the cam, called a throttle return spring?

The lower spring hook is attached to a fixed location on the TB, but the upper hook is attached to a lever that moves independent of the throttle butterfly. What is the purpose of this spring and moveable lever?

Almost centered in this photo [borrowed from another thread], you are looking down the barrel of the spring in question.

F18Rep

mel_t_vin ...There are two springs and they are both throttle return springs. They are configured as you describe but they function together when assembled.



I think the naming is un-official....Bruce

mel_t_vin

Thanks, Bruce.

The spring I'm referring to runs left to right in your photo. Again, in your photo, the left [lower] end of the spring is attached to a fixed location on the TB, but the right [upper] end is attached to a lever that moves independent of, and is not fixed to, the throttle butterfly.

Do you know what the purpose of this moveable lever is?