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Do any of you know the size vacuum lines that are on top of the 5.4 engine (2000 F150)? I'm in process of tearing down to the gaskets to change out on the manifold and valve covers. The vacuum lines appear to be in okay shape, but the little rubber connectors from the lines to the tees are brittle. I was going to change out the entire vacuum assembly (as a restore), but I don't see any listing for this anywhere. Thanks
