Jim Grant's Tech Tips
‘78 Chevy
Camaro, Rocker Arm Torque Spec
Q: I would like to know what the correct torque specification
would be for the rocker arm studs for a ‘78 Chevy Camaro with a 305 v-8
engine.
A: The
rocker arm studs on your vehicle do not have a torque specification. The
studs are press fitted, meaning once they are pushed into place they do
not move. If the stud is moving there is a problem, or it has been modified
with a threaded stud. I can’t help but wonder if you what you really want
to know is what the valve adjustment is. GM does it differently , other
manufacters tell you to tighten the rocker arm nut or bolt down to a specified
torque value. On GM engines of your type the valve adjustment is achieved
differently. I would suggest buying a repair manual for the correct procedure.
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