Re: [oletrucks] '55 1st Driveline.

[Advdesign1@aol.com]

>   When did GM first introduce the open
>  driveshaft on the 1/2-Tons?

that was the big change between 54 and early 55--open driveline.  In the shop 
manual supp. for first 55, they have instructions for trans, driveshaft and 
rear to accommodate the new system.
Bob ADler
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959