I still know nothing
Truck 7-19 Seems like engine was built 5-19.Whats the build date on your 19?
No idea. I definitely notice a wobble and bounce pattern on the cam after the roller leaves the top of the lobe. Also the axle of the roller rotates and has slight play on the Cummins lifter.I wonder if the 2019+ valve springs are any stiffer than the earlier 6.7 valve springs?
Normally the cam profile is more aggressive with roller lifters and then the valve springs have to be stiffer.
There is no pressurized oil feed though. Going to call Wagler and ask if the Jesels have a pressurized oil feel to the roller bearing. If so, will buy. If not, I’ll just get new Cummins rollers.
Also, for @krs and @H3LZSN1P3R, timing case, cam, and
EDIT: See post #89