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All that money gets you 615 horsepower without a supercharger. Instead of forced compression, the Megazilla uses CNC-machined aluminum heads, a low-profile design, a 92-millimeter body, and an improved camshaft that has no idle time to worry about. Compression is the same as before at 10.5:1, but now you get Callies H-beam forged connecting rods as well as Mahle forged pistons inside. The standard 7.3-liter block of steel should be very hard to handle, and the forged steel is also sticky.
Ford says these parts allow the engine to produce 615 hp at 5,750 rpm along with 638 lb-ft of torque at 4,650 rpm. It’s worth noting that a good amount of that torque comes on quickly and sticks around as the shift climbs with more than 500 lb-ft available from 2,500 to 6,000 rpm. Meanwhile, the standard Godzilla tops out at 475 lb-ft.
You should really like it for that price. Ford Performance already the standard 7.3-liter listed at $8,500 and I bet you can force it to higher levels for cheaper than that the Megazilla at $22,995. That said, anyone willing to spend the cash can hit the ground running with this plugin that already has a number of key improvements. And, if they decide to be crazy and build something with quadruple power, they’ll be even closer to success with Megazilla.
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