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How do you remove the oil filler pipe on a '41 356 engine? I want to replace all my freeze plugs; I did the middle ok, and the rear looks like I just need to remove the starter solenoid to access but the front is behind the oil filler tube. I heard its a press fit but it's pretty stuck. Any suggestions? Light impact with tension? Strap wrench and work it lightly back and forth? Heat? (Yikes). Don't want to wreck it.

Wiggle gently back and forth and pull.

Sometimes a few taps with a rubber mallet will be needed to free it enough you can wiggle it. If the tube and engine has been painted together there may also be a paint seal you will need to take care of.

Also take note of the position of the angled baffle plate at the bottom of some tubes or the notch orientation in the top tube opening so the cap will go back on properly. If it has the later version cap installed per service changes the notch ensures the slotted air vent in the cap would be facing toward the front or be positioned directly behind the horizontal air vent tube if your engine still has that tube attached.

It does have the air tube and slot in the cap so I will make sure to reinstall correctly... if I ever get it out. I think I'll apply a little Kroil and try again tomorrow. Thanks.

Plus don't wiggle too much, because when you put it back in it might seem a little loose.
Wes

That is a good point and possibly something that has happQuote:
That is a good point and possibly something that has happened in the past. There have been instances of some kind of sealant being found on the tubes. Perhaps yours had been worked on and found loose when being reinstalled. If that happened, depending on the type sealant used a tube could be very hard to remove after that treatment.