I was reading my owners manual (what F150 owner doesn't know it cover to cover) and noticed the specs for the 4.6 and 5.4. What jumped out at me was that the piston size is the same. The only bottom-end difference is the longer crank. Any engine bulders out there have comments on the affects of longer cranks in the seat of the pants test?

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'97 F150 Lariat, Flareside, white/sliver, SC, ORP, 5.4, Mods: 305/70/16 GY ATS, AR Baja wheels, dual exhaust, Smittybilt Nerf Bars, Edelbrock IAS Shocks, K&N Filter and Carbon Fiber Bug Gaurd. Rigged the fog lights too.

 

Generally, a longer stroke = more torque.