Pontiac FIREBIRD 1972 Service Manual page 537

SIX CYLINDER ENGINE 6-25
ORIGINAL ROCKER ARM STUD
IS 318"
-
24 N.F. IF STUD IS
STRIPPED.
USE
318"
-
16 N.C.
DIE TO RETHREAPJTUD THEN
PULL THE STUD AS SHOWN.
Fig. 6 - 3 1 Rethreading Stripped Rocker Arm Stud
2. Install new stud, using tool J-6880. Tool should bot-
tom on head (Fig. 6-34).
3. Install push rod and rocker arm.
4. Remove spark plug frorr cylinder of valve train being
serviced.
RETHREADED.
Fig. 6-32 Removing Rocket Arm Stud
Fig. 6 - 3 3 Reaming Rocker Arm Stud Hole
- -
Fig. 6-34 Installing N e w Rocker Arm Stud