Seafoam- Why put it in the Vac line?

[Festiva Time]

If you put in the Vac lines, are you not, just bypassing alot of the components you want cleaned?
I have a F.I. Festiva. I put half of it [SeaFoam] in the gas tank [full] and the rest in my crankcase when I had about 300 miles left before my oil change.

Thank you for your answers.
-Kirk

[FestYboy]

putting it in via a vac line atomizes it so that it can be burnt and it also makes that vac port act like a spritz nozzle spraying the seafoam evenly out of the port in all directions.

[Evil D]

Personally, i'm doing 3 cans of it...one down the carb, one through a vacuum line and one in the tank. I figure 20 years...it can't hurt. Right now i'm running a can through the gas with about 2-3 gallons of gas in the tank, just to run it extra concentrated. I don't know if that makes any difference or not.

[redlobster84]

Get ready for a smoke show!