Check out this sweet Meziere Enterprises Electric Water Pump that reduces the horsepower loss from having a belt driven pump on the front of your engine - 5.0 Mustang & Super Fords Magazine ...

Run sans water/methanol with the timing pegged at 17 degrees (safe level on pump gas), the supercharged stroker 4.6L produced 589 hp and 477 lb-ft of torque.

Air-to-water-intercooled boost is fed into the Mustang's Holley EFI-tuned, Paxton-supercharged, 350 cubic-inch small-block-Ford engine by a cog-driven Paxton Novi 2000 centrifugal supercharger.

Using a high-flow water pump, electric fan (s), and more all help, but what the system really needs is more capacity. The only way you'll get more capacity, and therefore more cooling, is with a ...

In any case, that 775-hp version handily outguns not just the top-dog Saleen S302 (which produces 640 hp), but also the formidable 2015 Hennessey HPE700 Mustang, with its paltry 717 ponies.