PCM Upgrade Available for Popular MerCruiser Engines

The Powertrain Control Module upgrades increase rpm limits, offering enhanced power and more propeller options.

5th January 2014.
By Matt Trulio

After several months of testing, Whipple Industries is releasing new Powertrain Control Module upgrade kits for out-of-warranty MerCruiser engines—the 380-hp 8.2 Mag and the 430-hp 8.2 Mag H.O.

After several months of testing, Whipple Industries is releasing its PCM upgrade kits for out-of-warranty MerCruiser 8.2-litre engines.

After several months of testing, Whipple Industries is releasing its PCM upgrade kits for out-of-warranty MerCruiser 8.2-litre engines.

The package basically exchanges the stock PCM for one specially calibrated by the Fresno, Calif., company, which has specialized in automotive and marine supercharging and calibration development for more than 25 years.

“The demand has been steadily increasing over the past year for increased performance on the 8.2L lineup,” said the company’s Dustin Whipple. “Mercury Marine built a tremendous platform with the latest big block, going back to the traditional bolt patterns and design, meaning many pre-existing components already fit.”

With their increased rpm limits, which increase propeller options, as well as enhanced fuel and spark curves for significant power gains throughout the rpm range, the PCM packages are available for both cable-based and digital-throttle-equipped engines. Each package also is offered with calibrations for stock exhaust manifolds, stock catalytic converters, and aftermarket headers.

Whipple said company provides two options, both of which have a flat torque curve for strong midrange power. The Stage 1 kit ($795) features gains of more than 55 hp and 15 ft./lb. of torque over the base 8.2 Mag model, and is compatible with 89-octane fuel. The Stage 2 kit ($995), which is 91-octane compatible, provides a more aggressive spark curve for far greater torque and significant acceleration improvements. The performance gains, according to testing done at Whipple Superchargers, are more than 85 hp and 50 ft./lb. of torque over the base model.

“Our stage 1 and 2 kits are officially released and we are now working on some other simple bolt-on components to further enhance the power,” said Whipple. “We’re very excited to also be working on the stage 3 upgrade, which is a cam and valve train upgrade that reaches even higher power levels. Our biggest offering, which will be available in April, is our 3.3-liter-based supercharger package that works with digital throttle or mechanical controls and will produce more than 650 hp on the stock engines.”


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Matt Trulio

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Matt Trulio is the co-publisher and editor in chief of speedonthewater.com, a daily news site with a weekly newsletter and a new bi-monthly digital magazine that covers the high-performance powerboating world. The former editor-in-chief of Sportboat magazine and editor at large of Powerboat magazine, Trulio has covered the go-fast powerboat world since 1995. Since joining boats.com in 2000, he has written more than 200 features and blogs.
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