Monroe,
Are you talking about the "Toe board clearance adjustment"? My manual is only through '52 and my truck is a '53. It calls for 13/16" clearance under the floor toe pan and the top of the pedal arm.
John


"It wasn't broke but I still decided to fix it. Now its broke"
I really love my coon hounds
Pics at http://s982.photobucket.com/albums/...0truck/53%20Chevy%20truck%20Sept%202010/