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  1. Sound/thermal insulation

    General Modification Discussion (Non-Engine)
    I've got a 54 Dodge M37 I'm converting to my daily driver/wheeler. The first thing I noticed is that after 15 minutes driving at anything greater than 20 MPH that the floorboard and firewall get HOT. As I am getting ready to start tearing it down for a frame-off I am trying to plan for sound...