Don't understand cams

Lunati ...701 .454 / .475 213 / 220 112 1000 - 5500
...702 .475 / .494 220 / 226 112 1400 - 5800

for those using these cams,i'm guessing a nice smooth idle and good lo speed torque?
Did you ever calculate how much compression you had? What did you use for valve springs and retainers? Sounds like a solid low maintenance combo.

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thanks, never did figure compression ratio, i used the thicker felpros instesd of the thin head gaskets, springs on the 302s were factory 340s, admittedly they are tired though, going for comp 901s next year