where does this metal line go?

[mr41cadillac]

facing front of 346 engine there a fitting under the fuel pump about 9 inches down. where does this line go ? cant belive I cant remember but don't see wher thanks john

[las39]

Vacuum to manifold or to metal tube in firewall grommet for wipers

[Bill Ingler #7799]

Here are two pictures to add to what Mo said.   Bill

[mr41cadillac]

sorry if i was not clear,the fitting comes off the block about 9 inches down from the fuel pump

[las39]

Sounds like the valve block feeder that goes under manifold between the two valve covers

[las39]

/quote]
You have a gorgeous engine room

[mr41cadillac]

thanks it was the valve block feeder line.