hello I have a 90 civic dx with a D15b2 engine. Tranny went out and to rebuilt is $1,000 that is me doing the work taking it to get it done. Engine have 145 k miles in it , have been looking everywhere to find a use tranny but nothing. Which tranny does it fit with out having to do crazy conversions, I have been looking online and can’t seem to get a straight answer. Any help will be apreaciated.