Dave, a few years ago I lucked into a roll of 3/4” black, soft closed cell foam insulation. A layer on the floor acts as both sound and heat insulation and it’s soft enough that tools sorta nestin and don’t move.
RonR
RonR
1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5
| 
