1998 gmc sierra torque specs from intake up?

Question

i also need the correct way to tune the rack, or valves?

Engine is a 350 or 5.7

Answer 1

Your valves have hydraulic lifters chances are they don't need to be adjusted, should be set for 0 clearance plus a half a turn on the adjusting nut.

Answer 2

Engine would be helpful. That year has 6 different engines in it.