neither Then V8 engine in the 1997 1500 pickups was a Vortec 5700 L31.
That would be the 700R4
That would be the 4L60E
what type of gear oil goes in my 2004 chevy silverado 1500 Front and rear, user guide does not specify
a black one
4L60E OR MAYBE A 700R4
mosty likely a 700r4 if it is a four speed
need to know the year.
Most likely R-12
4l60 or a 4l80
Atf iii (3)
10 w 30 over 75000
auto trak 2