6-8 hrs (probably most of a day)
I would personally have recommended a Dash shell (available for $60 - 80) that simply glues over the dash and hides the cracks and has cutouts for the speakers.

This is however the 'proper' way to do it.

cheers
Hari


ps- email me offline at grimgaunt at yahoo dot com,
I notice that you have bid on my turbo kit on EBAY, lets talk

__________________
1982 300SD (214 k, excellent shape) kidmobile running mostly biodiesel, gets 31 mpg hwy with 2.82 rear from a euro 500SEL



1976 115 body 240D 4-speed (traded for Jeep parts) - Engine lives on in my CJ7