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Well, with some exceptions. Like the 427 heads with big valves will bolt to a 352 block, but the valves hit the block. But in most cases all FEs are the same. In the case of the 360 and 390 both have the same bore, 4.05", but different stroke (360 is 3.50" and the 390 is 3.78"). But on the exhaust question, the 390GT motors had staggered exhaust bolts like the 428CJ and the 427.
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.