OK, my timing cover is leaking and I think I might do a cam swap while fixing the leak, LOL (snow ball effect). My question is this, I have an E-WP, so do I still need to keep the stock timing cover with the hole for the shaft that went to the stock pump, or can I get an aftermarket timing cover for a regular 350???

 

No, b/c your timing cover also has the hole for opti and proper seal in it.