I bought a 1969 Chevrolet Chevelle SS 396 recently and want to know if unleaded gas will harm my engine. Also, will using regular unleaded instead of high-octane unleaded hurt? I’d rather use the less ...

During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...

The internal combustion engine lives by some pretty basic principles, some of which include letting air in, compressing said air, and letting air out. An engine's valves come into play during each of ...

Valve seat wear or "sinkage" or "recession" was observed in eight engines run on unleaded fuel. Detailed studies of valve seat wear were undertaken in a 302 cu in. V-8 engine run for 10-1/4 hr at WOT ...

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The new automated valve solutions feature the company’s VZBE ball valves, VZXA angle seat valves, VZQA pinch valves, DFPD quarter-turn actuators, VSNC NAMUR pilot valves, and the SRBC family of ...

Porting gets all the attention when it comes to preparing cylinder heads to rocket more air fuel into the chamber. Granted, a well planned and executed port job can turn stifling heads into ...

Due to power demands many energy companies are forced to run their power plants close to maximum capacity for more energy output by implementing power uprates and upgrades to multiple systems. Power ...

RTK®, a CIRCOR International brand, and an international leader in the design and manufacture of control valves and actuators, introduces the REflex Quick Change Seat Control Valve with REact 30 ...