Hello, different size, grade, thread size, application will always have
something to do the torque specification of bots, nuts, plug etc.
Remember, to get the proper torque specification on bolts, nuts and
threaded holes. If these have been used on an engine and it being
repaired/overhauled. To get the proper torque spec these items will be need to
cleaned inside and out, threads on bolts need to be straightened, and the same
for nuts and bolt holes in the engine block, head, timing cover----all bolts,
nuts, threaded casting holes all need to be rework to presence condition...
Almost new in shape. Now, once this is done you can get the proper torque
requirement and to get these spec. all bolts, nuts, threaded holes need to be
oiled first. They the torque can be set properly as to the manufactures
specifications. Also, there are not set standards for torquing head bolts on a
265 cu/in Chevy and compared to a Ford 265 cu/in engine, they will be totally
different.
If you don't the torque spec. go to your local library they have many
American Auto Maintenance Manual that will give the all the information that you
need. So, just remember all bolts, nuts, machined holes with thread need to
cleaned and resized the threads. To torque any bolt will need to oiled--not
much.... I hope this helps you and I wish lot of luck.
GB...stewbison
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