We'll look at both the small-block Chevy and the 5.0L Ford ... hydraulic roller camshaft with enough lobe lift (in excess of 0.354 inch) to create this situation, so just be careful.

Can you assemble a small-block Chevy, starting from scratch ... 377 lbs @ 1.28Spring rate: 354 lbs/inCoil-bind height: 1.230 ...