the internal design of your circuit and the overall function of your valves. The two major valves used most commonly are the poppet and piston spool varieties. These valves are primarily involved ...

Concerns about valves kissing the pistons were often ... but you could also use an old small-block hydraulic roller lifter where the internal piston is replaced with small washers, leaving the ...

See All 15 Photos Before we get to the Live Valve, let's take a quick look at how the internal bypass works. Seen here is the 2021 Ford F-150 Raptor's shock piston at normal ride height.

When the crankcase pressure rises, the piston moves ... Cadillac CTS at between $340 and $430. The PCV valve was a vital ...

That's to say, the Wankel rotary engine design doesn't have valves — but quite a few rotary engine designs have incorporated them. Both rotary engines and piston engines utilize internal ...

internal-combustion engine with the valves on the top. But why must that be the way of the world? Why not an opposed-piston setup? Why not radial? Why not any number of other possibilities that ...

It's just a natural part of the internal combustion process ... keeps that oil in the top end where it belongs. Like piston rings, valve seals are a wear item and an engine with a lot of miles ...