engine swap

I have a 2017 Ford Focus se hatchback that I am trying to turn into a st I am planning to buy a st motor and transmission in a couple days and I’m wanting to know if there is anything different from the se to st that I will need to change other than the manual transmission axle

need help knowing if I can use a 2007 Ford Focus engine to replace my blown 2003 Ford Focus engine. Long Story but I didn't do it.

I have a 2015 Focus Se 6-SPD with the 1.0 Ecoboost. I purchased this car from my father last year when it had 77k miles. Since then I have driven it up to 87k miles. Both myself and my father are very calm drivers, we avoid the interstate and take highways as much as possible to milk the car’s...

I'm currently just brainstorming ideas of what to do with my Fusion, pretty sure the engine in the car is going to kick out soon. I honestly was thinking of the 3.5 v6 from the sport but can't find much about anyone trying to do it before or if its even possible. Other than that really want to...

I have a 01 SPI focus with 5 speed manual transmission. Recently the engine has been lacking power and I have a lot of vibration and knocking from the harmonic balancer. Anyway I think it's time for a new engine from the junk yard. They have a '01 SVT for $300. I know I'll have to change the...