split or solid drive line ?

when did maz b series chang them up ? in a standard cab

i think it was an option or somethin, cause i own an 86 b2000 with a 2 piece and had a 91 b2200 with a 2 piece and a 93 with a 2 piece.

and i have a 92 w/ a one piece (std cab)
and have had:
89 one piece (std cab)
91 2600i cab plus 2 piece

i have a 87 with a one piece it is my parts truck

I have two 86s a 90 and a 93 with one piece all std and my 93 cab plus it two piece

i had a 89 2200 with a two piece

mineis two peice

wish i had 1peice