So, you want to swap a 2.5L into your Mazda 3? Better watch this first! Check the links below for more info and details.

Warning: Lot's of boring yapping going on in this one. lol

http://www.mazda3forums.com/61-powert...

http://www.mazda3forums.com/61-powert...

http://www.happywrenching.com/mazda/6...