Took me about 2 days considering I did it by myself with no help, and watching both my kids while the wifey was @ work, and I did and b16 to gsr tranny swap the day before so I had to clean my garage, and get everything ready for my swap. Keep in mind the cleaning of the engine I did while the engine sat in my garage for almost 2 weeks befor the install. I constantly have cars in my garage for work being done that sometimes I have to put my cars on hold but at least it pays