https://www.gnarpowpow.com/tags/sonnys-racing-engines/ Wed 13 May 2026 00:30:48 +0200 https://www.gnarpowpow.com/videos/19409/sonny-s-racing-engines-820-cid-efi-marine-engine/
This 820 cubic inch marine engine is designed and built by Sonny's Racing Engines for endurance boat applications. Using a billet aluminum block with 360-degree water jackets and 5.3-inch bore spacing hemispherical cylinder heads, find out why this engine is one of our Engine of the Week highlights. Engine of the Week is brought to you by: PennGrade https://www.penngrade.com/ Scat Crankshafts https://www.scatscrankshafts.com/ Elring https://www.elring.com/en/ ]]> Fri 08 Jan 2021 20:39:18 +0200 https://www.gnarpowpow.com/videos/19409/sonny-s-racing-engines-820-cid-efi-marine-engine/