yea what he said. Not sure what is best but while your getting your answer lets see what is said about this Just ran into similar situation turbo 400 from Hughes Transmissions has a threaded hole in output shaft.Turns out this is for the bolt on type.Bolt on set up has an o ring on output shaft that prevents "slip on yoke" from slipping on completly.from what I have learned a "bolt on shaft" will work with a special slip on yoke or I can remove the tail housing ,remove o ring and dremel output shaft .030""smaller o No: scott
