Seafoam Help Please

So I ended up doing it just through brake booster line and PCV line and some in gas tank. Do I still need to change oil even though I did not put it in with the oil?
 
Just do it at the regular time. Most of the deposits should of come out the exhaust when you did it. I would not be late on your oil change though, just in case.
 
PCV cleans the PCV system and the Brake booster would feed the seafoam into the cylinders and intake runners.
 
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