Installing shoulder belts in my sons 72 4X4?

[Fogline69]

Originally Posted by texanidiot25

I used the 1st gen S10 belts. Had to redrill the buckel side and the reel to work with my seats (08 silverado seats), but the shoulder harness goes into the cab under those round caps in the b-pillar.

I would really like to see some pics of how you installed these as well. Also, I am curious about any modifications you had to make to install those seats.
Thanks