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Video: Using Rocker Arm Ratios to Gain Power and Torque

This excellent eight-minute Summit Racing Quick Flicks video dives into rocker arm ratio theory as it relates to your intake valves. There are torque and horsepower gains to be made by doing your homework and getting these calculations right.

Watch, listen, and learn here:

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  1. I have a 56 chevy 2 dr wagon with a stock 454 and a lunati voodoo cam lun10110702lk. i want to no if changing the rockers to 1.8 would be as good as changing the hole cam and if i changed the heads would that be better

    • Larry, depending on the cam specs you choose there could be added advantages. We’d recommend that you give the Summit tech guys a call at 330-630-0240 to figure out the right cam design for your needs.

  2. AnalogDan Wilson says:

    Yes. But just be cautious. Change the hole cam and awl the lifters two

  3. Pingback: Rock On: 3 Ways to Increase Power with a Rocker Arm Change - OnAllCylinders

  4. I’d like to know when good grammar will make a comeback?
    Or did we bury her already?

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