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- 2003 Mazdaspeed Protege 1660, 2004 Winning Blue RX8, 2005 Mazda6
Be prepared. T28 is not fun. I threw on a gt2871 myself had to pull fans and radiator (5mins no biggy) biggest pita for t25-t28 will be turbo clearing block and trans, your waterlines both will need to be either carefully rebent and oil return feed will need to be rebent and extended. Be careful with your oil feed fitting get some teflon tape.
Easy issues to overcome for the most part. Though, unlike you, I was running a Mishimoto radiator and fan shroud. Didn't have any issues. Slightly bent the steel lines and ordered a replacement feed. My return was already modified to the rear top of my AWR pan. Never had block-to-turbo clearance issues, though. I did fabricate my own actuator bracket, though one can be purchased for this setup for $30. I ran two 2860s and a 2871.
Additionally, the oil supply has inverted flare fittings- there is no need to use sealing tape or compound on it.