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As I think of it I may have incorrectly posed the question. I asked about roller rockers when I should have asked if it actually has a roller cam.
>>oops<<.
The 5.0 truck engine used a flat tappet cam up to '91, 92-93 got the small roller cam engine formerly found in the Crown Vic.. because that car started using the brand new 4.6 modular in '92 so there were lots of 5.0 motors sitting around looking for something to do. In '94 both the 5.0 and 5.8 were updated to use the F4TE Explorer roller cam which meant all 5.0 shortblocks built from that point on were exactly the same.
Rezvani's Latest Post-Apocalyptic 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.