Fittings such as these, for connecting a compressed air line to the spark plug hole for valve support, are available at most auto parts stores. Occasionally it is necessary or desirable to inspect or ...

Any Chevy engine, if it's well-modified or just slightly warmed-over, requires a good set of valve seals. Originally, a small rubber O-ring, fitted in the second valve stem groove, served as the only ...

Imagine this scenario. You've scrimped and saved, and finally have enough dough to get the Corvette you've had your eyes on. Just for argument's sake, let's say that dream car is a cream-puff '92 ...

Many gearheads buy their cylinder heads fully assembled and don’t have to sweat making sure all of the various parts are set up correctly. But for those that build their own, or that just need to swap ...

Less leakage results in reduced product loss, increased efficiency, and improved energy management. Figure 1. This control valve is subjected to EPA’s Method 21 “sniff ” test to determine the fugitive ...

Q: I had a beautiful VW Scirocco that used oil at an increasing rate. Finally, a VW mechanic told me that the problem was probably the valve seals. He took out the seals and they looked like bacon ...