PRI: Industry Mourns Loss Of Engine Building Icon Sonny Leonard

INDUSTRY NEWS
Industry Mourns Loss Of Engine Building Icon Sonny Leonard

For more than 50 years, the owner of Sonny’s World Class Racing powered countless championship and record-setting competitors.

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PRI ROAD TOUR
New Developments & Camshaft Profiles For The Ford Godzilla

COMP Cams and Edelbrock detail the latest innovations for the engine platform.

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PRI EDUCATION
Have A Hard Time Raising Money From Sponsors? 

Learn the difference between decks and proposals (and when to use each), plus how to make reports that keep your sponsors renewing year after year.

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FROM THE MAGAZINE
How To Optimize Piston Rings & Oil For A Longer Engine Life

There are several specialty oils designed to protect your engine. But, they can’t do their job without the piston ring doing its job.

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FROM THE MAGAZINE
Nitrous vs. Turbocharging: What's Best For Your Race Car?

Two legends—nitrous guru Pat Musi and turbocharger advocate Kenny Duttweiler—make the case for their preferred power adder.

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