Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Cam selection... 383 chevy, vortechs, heavy car...streetable but fun. 400hp-ish
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Old 12-04-2012, 11:46 AM
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mileage and power are different tunings
even the A/F ratio is different. The longer the duration the cam,the more fuel it will waste at idle.
If you want both(who doesnt) consider fuel injection or swapping in an LS engine. AP72 can help you with wiring and harness questions,and,,,, a 5.3 with little work can produce 340 hp and return decent MPH
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