Using the v8 tube motor mount from CP here there is just an open tube ... The camaro motor mount that bolts on block ... The ID of the tube is hugely oversized.. What fills this?
You need different motor mounts for that cross member http://www.classicparts.com/1947-69-Front-Motor-Mounts-pair/productinfo/79-015/ I git mine from Napa for like $6.00 a piece. I think they are actually a 6 cylinder mount.
You need different mounts. You need these http://www.classicparts.com/1947-69-Front-Motor-Mounts-pair/productinfo/79-015/ You can get them from Napa for like 6 bucks a piece I think they are actually 6 cylinder mounts.