What year did ford 5.0 engine make the most horsepower and in what?

It's impossible to definitively say what Ford 5.0 engine made the most horsepower without specifying which generation of the 5.0 engine you're interested in. There have been many variations of the 5.0L V8 across different models and years.

Here's why it's tricky:

* Different Generations: The 5.0L engine has been in production for decades with significant changes across generations.

* Different Tuning: Ford has tuned the 5.0L engine for different applications, ranging from fuel efficiency to high performance.

* Aftermarket Modifications: Many owners modify their 5.0L engines, significantly increasing horsepower beyond factory specifications.

To get a better answer, you need to be more specific. For example, you could ask:

* "What year Ford Mustang GT 5.0 engine had the most horsepower?"

* "What is the most powerful naturally aspirated Ford 5.0L engine ever produced?"

* "What is the most powerful Ford 5.0L engine with aftermarket modifications?"

Once you provide more context, I can help you find the answer!