Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

Lots of displacement, more compression, and a ton of valve lift used to be the recipe for a typical professional-level drag-race motor. Today, this same description could just as easily be a serious ...

Xi3, the company behind the $1,000 Piston Steam box, has shed some light on its relationship with Valve after the latter apparently attempted to distance itself from the product today. Vlave's Doug ...

When servicing refrigeration or air conditioning systems that incorporate reciprocating or piston-type compressors, worn compressor rings and/or leaky compressor suction or discharge valves can cause ...