However, you also move the power curve higher in the rpm range. The bigger cams actually made less power. Several years back I read a Hot Rod article where they tried 3 different cams with the Vortec heads. These cams are often used for stock replacement, daily driver, and towing applications.Īs you increase the duration, you increase the peak power the engine can make. It is a guess but I think cam 3 will likely make the most power with the Vortec Heads.
Generally, cams with smaller duration numbers make peak horsepower at lower rpm. The rpm range has a lot to do with Duration. If you have questions, the best course of action is to contact the manufacturer. There is no formula to find the rpm range for a camshaft. Iam trying to get my friends four-wheel drive truck it. (Edited) Ok first of all I know this is the hotrodders Bulletin Board but I figured if anyone knew about cams and intakes you guys would.Many factors affect this range, including: 23894 Views 14 Replies 9 Participants Last post by red65mustang, Apr 18, 2006. The listed range is a result of testing the camshaft on a dyno with different combinations of engine parts. The rpm range is determined by the camshaft manufacturer. The basic operating rpm range for a camshaft is its "sweet spot." This range is where the engine will produce the most Torque and Horsepower.
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