Here is a link to the upcoming issue of Vintage Truck Magazine. My 55.2 NAPCO Suburban is on the cover and there is a story on the history of NAPCO 4x4's.
Vintage Truck Cover Story

I think it has some good info for those trying to restore an old Chevy 4x4.

George

1954 Chevy 6400 2-Ton
1955 Second Series Napco 4 x 4 Suburban Carryall
1966 Chevrolet K-10 -- Sold to another 'Bolter