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The cast crank is probably fine up to around 600 hp. If you planned on boost, Forged is the way to go. The 6.2 bottom end is stout. Lots of guys on the raptor forums running around 600-700 hp on stock internals.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
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