Based on cars.com the 7.4 liter engine has 295 horses.
The 4.0 liter OHV - V6 engine has 160 horsepower The 4.0 liter SOHC - V6 engine has 205 horsepower The 5.0 liter V8 engine has 211 horsepower
160 horsepower for your Ford 4.0 liter OHV engine
That is a 350 engine.
The 3.8 liter V6 engine in a 1997 Ford Mustang is rated at : ( 150 horsepower from the factory )
My 1995 Ford Explorer 4.0 liter OHV engine is rated at 160 horsepower , the 1997 4.0 liter SOHC is rated at 205 horsepower , the 4.0 liter SOHC is currently rated at 210 horsepower
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According to the 1997 Ford F-150 Owner Guide : The 4.2 liter V6 engine is rated at ( 205 horsepower ) The 4.6 liter V8 ( 210 horsepower ) The 5.4 shows that the horsepower rating is not available , but for the 1998 model it is ( 235 horsepower )
For a 1997 Ford Thunderbird , 4.6 liter V8 engine : ( 205 horsepower from the factory )
For a 1997 Ford Thunderbird , 3.8 liter V6 engine : ( 145 horsepower from the factory )
The 3.8 liter V6 engine in a 1997 Ford Mustang has ( 150 horsepower )
4.2 liter V6 ( 205 horsepower ) 4.6 liter V8 ( 210 horsepower ) 5.4 liter V8 ( 235 horsepower )
For a 1997 Ford Mustang GT , 4.6 litre SOHC , V8 engine : ( it is rated at 215 horsepower from the factory )