Can any one help me with a question on steering column compatability

[xcalibre]

Hi all im kinda sure what the answer on this might be but i would rather ask people who would know better than i anyway my question is will a tilt steering column that is said to fit 79-87 truck/blazer/suburban fit into my 1977 silverado ive been truckless a month now waiting on a new column that was promised to me by a friend an it looks like he has flaked out so im goin to have to buy 1 and i want to be sure i buy 1 that will fit. tyvm for all answers in advance