I tend to agree w/ the above post...if you're definitely going to supercharge it, I'd do the cam at the same time. I have a friend who built a Cobra engine to supercharge but hasn't supercharged it, and I wouldn't want to live with those cams.
And yes, you should upgrade the valvesprings with a cam.
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2010 Camaro SS in black/beige: Sold. | '91 Camaro RS: Still the dream car!
'98 Camaro SS: Incon twin turbo. Sold | '99 Camaro SS: Heads/cam/bolt-ons. Sold.
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