oil drip stick problem

[EZTHERE]

well I bought this 72 jimmy, now im finding an oil leak from the dip stick. as it turns out some one broke the tube in the block. Its broke right where the tube butts up against the out side of the block. to fix that they fast weld 10 the other half of the tube on to the part that snapped off. But it leaks. Im i screwed? or can I some how pull the broken portion of the tube out of the block with out dropping the pan.

Also is there a skinny'er tube that I can just fit inside the broken one...

im pissed.