|
Re: New guy here with a question.
Quote:
Originally Posted by GASoline71
From the factory, that hole is the port where you hook up a vacuum line to the automatic transmission modulator. The brake booster vacuum line usually came out of the rear of the carb.
Gary
|
Yup. You can even see the capped booster vacuum line over where there is no booster. And it comes from the back of the carb. It's a lot of flow when it's in use (say, brakes being pumped, or the booster leaks), and you really don't want it on just one runner.
__________________
~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
|