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Ford’s DOHC Coyote makes as much as 480 horsepower and weighs less than an iron 302 – but it measures roughly 29 inches across, and a 1965 Mustang’s shock towers were never asked to make room for that. CJ Pony Parts walks through the control packs, clearance calls, and hidden costs that decide whether this swap becomes a weekend win or a two-year money pit.
A 1970 Ford Mustang SportsRoof gets a complete heart transplant on PowerNation’s Detroit Muscle, swapping its original small-block for a supercharged 5.0-liter Coyote V8 paired with a Tremec TKX five-speed transmission. The build leans on ARP fasteners, Detroit Speed headers, and a custom belt-drive system to make the modern powerplant fit a decades-old engine bay. Viewers in the comments debated the real cost of the swap, with one builder pricing out a $305 header alternative to the show’s $3,500 name-brand set. The result is a classic fastback built to run with cars its original engineers never had to worry about.