The 350 doesn't have any freeze plugs under the timing cover, and if it did, the leak would go into the oil pan, not outside. Check the gaskets where the water pump bolts to the block. You would have to remove the water pump (and the oil pan) to get the timing cover off, anyway.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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