Originally Posted by Harold46
Hope this answers your question. There is a clamp holding the line to the top/side of the thermostat housing.
The vacuum line connects into the backside of the carb base.
Harold
Harold,
The idle mixture screw is located right about this line, correct?
Screw A in this image:
http://chevy.oldcarmanualproject.com/shop/1942_47/4247csm637.htm
Do you have an image of screw B- idle speed adjustment screw?
Andy