We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...

Getting an engine compression test for your car is a bit like having your blood pressure taken. It sounds complicated without context, but it's a relatively straightforward and painless procedure that ...

You might talk about it often, but do you really know what compression is all about? Every engine has to make it and those that don't are hurtin' for sure. But, here's the confusing part, for this ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

Have you ever noticed when searching the online blogs that there are those subjects in our hobby where everyone has an opinion, and yet they don’t know why their opinion exists? Which oil, which tires ...

Common "Old Wives' Tales" and the rigid "60/80 rule" for piston aircraft engine compression checks are often incorrect and can lead to unnecessary cylinder removals, as low readings don't ...