December 11, 2023

Hemmings Fox Body Rehab Eps. 2

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How Much Horsepower Does a Fox Body Mustang Gain with a Supercharger?

Tara Hurlin


The Hemmings team brings on the boost in this episode of Fox Body Rehab, but first, our 1991 Mustang LX receives a full mechanical inspection to see exactly what the team is up against. Spoiler alert: The odds appear to be in our favor. After all, Ford’s introduction of factory fuel injection on the 1986 5.0L Mustangs opened the flood gates for a future of bolt-on performance possibilities.

Before digging into the project, the Hemmings technicians review the roadmap that will guide us through building a street-legal dragstrip dominating machine. Then, the guys get down to brass tacks, ripping the Fox Body’s 5.0-liter V8 apart to install a ProCharger supercharger kit. After the install, the Fox Body is prepped for another test run on the dyno. How much horsepower will the Mustang gain?

Searching for a Fox body Mustang of your own? See what’s available on Hemmings.

Fox Body Rehab is brought to you by these amazing sponsors:

Classic Industries
Mickey Thompson Tires
Moser Engineering
ProCharger Superchargers
Summit Racing
US Radiator