Hi,
Yes, but when the tool is out of the ideal plane it will give you a slightly
larger reading. Take several measurements and go with the smallest you
get. You can eyeball a telescoping gauge and get pretty close. The problem
with measuring cylinders is that they are bigger in the middle than at the
top or bottom, if there is any wear at all. There will be a ridge at the
top. Pistons, too, are barrel shaped with a larger diameter in the middle
than at the top or bottom.
You will probably get the best reading with an internal mic. Hold one end
of the mic against the cylinder wall and open it up until it touches the
other side without free play. You kinda get a feel for it. Do this several
times and your lowest reading will probably be your best reading. Again,
anything out of the ideal plane will measure larger. Make sure your inside
mic has round tips.
Don't be surprised if your cylinders aren't perfectly circular.
Cheers,
Derf
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