Saginaw pump leak (with Borgeson bracket)

This Saginaw pump never leaked when it was installed on my old 273 engine. But now I'm trying to use it on my 360 and to do that I bought this Borgeson bracket that mounts to the back of the P/S pump. Oil is now weeping out both bolt holes. It doesn't look like these bolts go into oil so I'm a bit confused. Should I try silicone or teflon tape? Anyone else who had the same problem?

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