Here's a link to motor mounts you can use for the 55, 56 and 57 motors in your truck..
http://www.ebay.com/itm/10046-235-2...75864454?hash=item339ce94186&vxp=mtr

Davis Speed Equipment note- "If you have a C-channel style frame, like on a 1947-54 truck for example, you will need to add a plate to the inner part of the frame."


53 Chevy 210 convertible; 55 GMC pickup; 57 GMC Suburban Carryall