In about a month I am planning on doing the same swap that you are asking about, I actually picked up a reman one for 500 bucks! amazing! but I will let you know how it gos. The only thing that I see being a problem is that the oil filter for the front drive motors is in the way of the motor mount for the monteros. So, if you want to do the swap you would probaly want to have some experience, mechanically... I am going to make new motor mounts myself and get it to work in there!