[jtweez010]

I have a 05 Mazda6 and i got a 06 Mazda6 engine and what changes would i have to make to swap the engines? There both 4 cylinder

 

[eizzle]

Why do you want to swap the engines? Is something wrong with the 05 engine?

 

[slow6i]

I dont think there was any change in the motor until '08. Or are you talking about a mazdaspeed 6 engine? Cause thats a completely different story.