Since the engine will be used for driving/towing on street with 3.07 gears and stock torque converter, I'd be more conservative with cam selection. I'd suggest a Comp Cams Xtreme Energy grind, perhaps the XE262H or XE268H. Powerband is 1300-5500 RPM for 262, 1600-5700 for 268. A really hot cam like the summits requires more compression, converter and gear than you're prolly going to be using. Refer to CompCams website for more info.
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