I'm sure you posted a while back that driving in a high gear taxes the valve train more. I would like to know a little more as you seem to know your stuff
Never would have said that fella, stress on valve train reduces as the RPM rises, its the old reciprocal mass thing, the slower it moves the more force is required to move it, and as the valve train is moving at half the engine RPM......
Its not that an engine left to idle on a regular basis is going to fail, its just going to show considerable more valve train wear than an engine that's not, and likely need to have valve clearance's adjusted/shimmed more frequently, and the cam belt/chain will also require more frequent replacement.
Fair enough. Must have got it wrong.
I read up do you think this person was wrong?
"Are any of you aware that an engine is under more strain at lower RPMs and particularly at idle,
the whole valve train is under the most strain at idle and low RPM.
If you then add the drive train into the equation, and then add in the inertial shock resulting from continually making small throttle adjustments to a 1.5 ton brick thats attached, not to mention the effects on fuel consumption."