Remote Water Pump for Small Block questions

68cuda408 said
In the spirit of this^^^^^^^. These are the plates I was given by 76orangewagon . I was going to use a pump gasket as a template for the 3/8" block off plate. These would be drilled larger and tapped for 90 degree fittings. Mounted as pictured above and plumbed to a dual outlet pump. His install on his car was extremely well done

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were you going to bolt these over the block off plate? Are the center holes on that big enough for proper flow of a water pump? i know the timing cover water passages are big, but cant remember how big the block passages are. I suppose i'd just compare the ID to that of a -16AN fitting to see if they are in the ball park.

Question- does anything need to be done to ensure the flow is even into the 2 banks of the engine? A divider wall epoxied/welded down the center of the timing cover? Or will it just work itself out based on pressure? (related: can you run the output of the electric remote pump into a Y block and have it split close enough to 50/50?)