http://www.hotrod.com/techarticles/engine/hrdp_0804_small_block_mopar_engine/viewall.html

sample quote

Part of the reason for the good low end torque and poor top end horsepower is the unbelievably small stock cam.
Duration measures
250/264 SAE gross,
while lift is a paltry
0.385/0.401 inch
even with the Magnum's 1.6:1 rocker ratio
- Author Steve Dulcich
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