hi guys the names paden no i do not own a rx but i own a mazda b2600i ext cab adn a 91 240sx se yes i slide it.lol hints the name. i mostly joined cuz my friend -a 86 rx-7. so the seals blew and wants to put a jdm engine. and i would like to know which one would be the best to buy. and if you buy one do what all do you have to do to make it work in his car. im not used to the rx-7's so anything will help. and id wrather not be flamed. thanks.