G 20 3/4 Ton Van V8-379 6.2L DSL VIN C FI (1984)
Figure M - Suburban
1.
Drill a 8 mm (5/16") diameter hole through the floor pan 127 mm (5") forward of the rear edge of the floor pan and on the center of the depressed
floor pan rib (see View A):
A.
Right Seating Position - 535 mm (21") inboard of the right quarter inner panel.
B.
Center Seating Position - 805 mm (31.75") inboard of the right quarter inner panel.