Trans shield

I've used both a TCI blanket and CSR shield in a 75 duster with 440 and 727. The blanket seemed to keep more heat in the trans but is easier to install. The CSR shield fits nicer, but is harder to install the bell bolts. I ended up drilling 4 holes in my floorpan/firewall to access the 4 bell bolts and have plugs to seal them back up. I did have to beat the firewall/floorpan seam flat for more clearance with the CSR shield.