are there any late model 5 speed Trans that can be used in 71-72 Chevelle SBC also have 10 bolt rear end would like to find cheapest way to convert to limited slip. have a 3.73 ring and pinion out of late model Chevy van.
can I use this

You can answer all your questions that you have by simply searching the archives of each forum. You're going to have to find out what rearend you have before you can "just" bolt in those 3.73's. Search the forums and I'm sure you'll find your answers to your problems and questions.