I have a th400 out of my 1970 chevelle ss 454 orignally out of a 1970 ss 396 car needs complete rebuild 200 obo. I also have a probuilt 700r4 transmission out of my 90 camaro with the pro street package. the 700r4 will need a new 4th gear is completely gone. the 700r4 has aprox 1000 miles on it asking 350 obo.