I use this one to do my powerglide transmissions. I remove the tailshaft and bolt this on.

https://www.summitracing.com/parts/otc-7118/overview/



Untitled by John Cadamore, on Flickr

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time