Puck came off while dyno ing the engine got wedged between the cam and block broke the cam.
Schubeck ceramic lifters.
These lifters are manufactured from m2 tool steel and come with an optional dlc coating.
Experimental lifters made by schubeck.
I discovered this by finding 5 worn lobes on my cam.
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If you aspire to produce the best solid flat tappets in the industry than look no further than trend performance products line of premium and elite style cup lifters.
Also they make very light solid or hydraulic flat tappets.
I have a set of schubeck solid roller lifters roller x in my engine and they have apparrently been skidding instead of rolling.
Schubeck is and or was a respected name in racing.
Good for class racing where roller cams are not allowed or high rpm needed.
If you have a high performance engine operating at levels above 7 000 rpm you will need the industries best solid flat tappet on the market.
Have curved face and have to cut slots into block to make these work.
Furthermore they can be swapped on to other cams with no problems.
I have read that they are mainly ceramic and need no breakin.
The schubeck ceramic lifters are the work of gentleman joe schubeck legendary 1960s top fuel slingshot drag racer hurst hairy olds kamikaze pilot and founder of lakewood industries best.
Qanda for everything mechanical.
I have the typical high rpm bbc setup ti retainers and keepers 300 900 spring pressures and approx 800 lift cam.
Schubeck paid for the damages r r engine disassemble replace rings bearings and provided me with a set utilizing the puck.
It seems that they make a composite radius lifter to replace solid rollers.