Contents
What are finger followers?
Overview. ENGINE. The Roller Finger Follower is used in the valve train of passenger cars as part of a cam follower system that is capable of shutting off a cylinder while the engine is running.
What are lash caps used for?
Lash caps increase the diameter of slender valve tips. On race engines running skinny 6 or 7mm valves, lash caps allow the nose roller of the rocker arm a greater footprint on which to operate.
Should I use lash caps?
Registered. If your running steel valves you shouldn’t need to use lash caps. They can be used if your having an issue with the rocker arm hitting the retainer or if your running shafts and need to lower the stand more than you can safely mill it then you can use lash caps to increase valve height instead.
What are the components of a valve train?
The valve train typically includes the camshaft, valves, valve springs, retainers, rocker arms and shafts. On engines with traditional mounting of the camshaft in the cylinder block, the valve train also includes lifters and pushrods. Overhead cam engines may use more than one camshaft per cylinder head.
What is a tappet in an engine?
A tappet is most commonly a component in an internal combustion engine which converts the rotating motion of the camshaft into linear motion of the valves, either directly or indirectly. An earlier use of the term was for part of the valve gear in beam engines beginning in 1715.
What are roller followers?
The Roller Follower is a compact bearing with a high-rigidity shaft and a built-in needle bearing. Most suitable as a guide roller for cam mechanisms and linear motion.
What is a valve lash?
Valve lash is the available clearance (or gap) between the rocker arm and the tip of the valve stem when the lifter for that valve is sitting on the base circle of the cam lobe (when the valve is intended to be fully closed). But on a solid cam and lifter setup, lash is a very big deal because it must be set manually.
What is the purpose of a valve train?
A valvetrain or valve train is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine.
What are the types of valve train?
Types of valve train: I direct acting; II end pivot rocker arm; III center pivot rocker arm; IV center pivot rocker arm with follower; V pushrod.