+1 Sell you car and buy a 5 speed car. You will actually end up saving a lot of money and and be headache free.your looking to spend a lot of cash. why not just trade the car on a 5 speed. the auto you have will perform equal to any manual tranny you install with a little work.
Have 1991 mustang with 4.6 and 4r70w transmission. Want to install five or six speed transmission. want some suggestions as to which one to use. I want to go new.