Following this thread
Working on repairing the floor in ours and then installing vintage air
Found the previous owner did a horrible job of swapping the Trans tunnel
Couldn't figure it why it was always so hot in the cab
Guess that one inch gap between the Trans tunnel and the firewall was a problem
Every project has been like that , so we named this truck "snowball "
Some kind of rubber bedliner stuff on the floor that won't grind or sand off
Gotta get rid of that and weld up the floor holes
Then dynamat everything , new firewall insulation , and new insulation and carpet on the floor
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