Topic
3 claims checked
Claim:
In a hydraulic valve lifter, a check valve allows engine oil to flow into the lifter's high-pressure chamber but prevents it from flowing back out when the camshaft lobe loads the lifter to open the engine valve.
NOT BS
Claim:
In an internal combustion engine, the timing chain synchronizes the crankshaft and camshaft(s) so that piston motion is coordinated with the opening and closing of the intake and exhaust valves.
NOT BS
Claim:
An exhaust camshaft sprocket synchronizes camshaft rotation so that engine valves open and close at the correct times to expel burned gases from the engine.
HARDLY BS