To find out, you'll need to:
1. Consult a repair manual: A Haynes or Chilton manual specific to your year and model Chevy truck will provide the most accurate information and diagrams.
2. Visually inspect the front clip: Carefully look at where the front clip connects to the frame and fenders. Count the visible bolts, screws, and other fasteners. Remember that some may be hidden behind other components.
3. Start removing fasteners carefully: Begin by removing fasteners one at a time, keeping track of their location and size for reassembly. This is the surest way to determine the total number.
Expect to find numerous bolts and possibly other fasteners; it's not a quick, simple job. Be prepared for a substantial number, likely in the dozens, rather than just a few.