When you visit a large motorsport trade show, as I recently did, there will be a number of engine component suppliers present, some of which will be selling high-quality valvetrain components. In the display cabinets ranged before you, among other things you are likely to see valves of all sizes, sh

I am trying to install my tial waste gate. I'm pretty sure it is a 38mm. I had an eBay waste gate before and the valve seatbdid not fit.

I haven't seen coil pumps in a while but recently ran across them on a job. I have the opportunity to remove them and "correct" the piping if needed.

Can someone explain to me how a Direct Acting Counterbalance Valve (Parker BC6PFV) works? Does it need pressure on both sides in order to open?

1. Table 3-B gives valve body minimum wall thicknesses based on inside diameter. I believe these values are based on a 30k min yield material. Is this true?

Can someone tell me why most piping diamgrams show drilled holes in bolted flanges straddling the vertical centerline, so as to not have a hole at top dead center?