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Jim
Grant has been working in the automotive industry for over twenty
years. In addition, Jim is an ASE Master Technician with advanced
L/1 certification. He works as manager and technician in his
family's automotive business in New Hampshire. He writes weekly
automotive consumer columns and is editor of an automotive newsletter
that is circulated throughout North America. |
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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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