Which one flows better, factory 6 blade water pump or 8 blade

ir3333 said

Johnny Dart is correct.The pulleys were sized to move the same amount of water.Stick to factory specs.

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Then you're saying to the guy you MUST run a zillion groove ac pulley.
No thanks!
We are NOT restoring to stock, so that's irrelevant what pulley the factory used!
Johnny is just giving you a history lesson more or less.

Use the non a/c pulley, be it with or without power steering and the 8 blade pump. It works.