Anyone here use Schubeck lifters ?

RustyRatRod said

The Schubecks bridged a gap, much like mushroom lifters. They have both "had their time" and that time has "come and gone".

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I damn near tried a mushroom lifter this time. But, in the end, Jim didn't think it would be a big difference because I was already opening the valves about as fast as we thought the heads could keep up. We both may be wrong but I hope not.