Old fashioned tire gauge quetion.
The old type tire gauge; the kind that the rod slides out of the end; do they wear out? How come some slide very easily and others have alot of resistance? If I were to lubricate the slide, would it cause false readings? Silly questions to which I need to know the answer.
There was some discussion on air gauges recently
Hmmm. Both the above links lead nowhere.
IIRC, the general conclusion was that many air pressure gauges are accurate within [+/-] a pound or three, whether it's an expensive gauge or an inexpensive one. The details and absolutes escape me now, however.
A brief search of the MOA forum pages turned up the previous thread on the subject- which includes the above referenced articles, as well as some good info/discussion, from this "gear" forum: