The ceramic lifter did not seem to be reliable.
Schubeck ceramic lifters.
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.
I have a set of schubeck solid roller lifters roller x in my engine and they have apparrently been skidding instead of rolling.
Experimental lifters made by schubeck.
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I have the typical high rpm bbc setup ti retainers and keepers 300 900 spring pressures and approx 800 lift cam.
Puck came off while dyno ing the engine got wedged between the cam and block broke the cam.
Schubeck is and or was a respected name in racing.
Furthermore they can be swapped on to other cams with no problems.
Also they make very light solid or hydraulic flat tappets.
Now most seem to be using the coated tool steel lifters in stock.
Have curved face and have to cut slots into block to make these work.
I have read that they are mainly ceramic and need no breakin.
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.
Good for class racing where roller cams are not allowed or high rpm needed.
It seems that they make a composite radius lifter to replace solid rollers.
Schubeck ceramic lifters sbc solid 842 rounded end.
I discovered this by finding 5 worn lobes on my cam.