Another nice thing about the powerglide aftermarket cases is they are SFI and no shields required. Aftermarket drums are cheap and my ATI case has a safety liner as added protection inside the case wrapped around the drum.

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