Can I cut side window glass?

Still working the electrical and rear window issues... anybody know if the 62 Valiant had tempered glass? The body shop "adjusted" the post position in the restoration and my window is too big now...I want to know if I can have the side cut 1/2"?
Nope. it's tempered you might get someone brave enough to try and diamond wheel (water grinding) it but 95% of the time it breaks it anyway due to weakening of the tension of the glass. small tiny chips and edge fractures that chip out a bit of glass on the edge can usually be ground but not 1/2"