M1 Grizzly question

Modeling Subjects Armor
1

Anyone know where I can get detailed drawings, including dimensions, of the M1 Grizzly CMV. I am thinking of scratch building one in 1/35 scale

2

here is some good walk arounds of it

http://www.primeportal.net/ce/brent_sauer/m1_grizzly_walk_1.htm

3

Also this looks like it may be usefull. Didnt read it all through but looks like a bunch of references at the botom.

http://www.fas.org/man/dod-101/sys/land/grizzly.htm