Questions tagged [valve-train]

I have been looking for information on how rotary valves are sealed, but have not had much luck. Coates has engines with them, and they are oil less to boot or so they claim, but how do you get them to seal during a compression stroke? The only…

My car is Chrysler 300C V6 2013 with SOHC So it write 24 valve as you explain have to 12 valves Because you say each Cylender on top only 2 valves it means my car have to 12 valves but actualy 24 valves please more explain to me Many thanks

I inherited a '79 F-350 along with its half-rebuilt 400ci. The push rods, rocker arms and lifters are (somewhat) neatly placed in a labeled box, but I'm at a loss as to what the fellow meant with his labels: Right/left is ambiguous, depending on…

I've got a VW CC 2.0 TSI that seems to have had the timing chain tensioner fail causing you to jump time (cranks fast but will confirm tomorrow). Is there any chance that the cylinder head/valves might not be bent, in other words is there any chance…