Advertisement Video Video: Engine of the Week – 370 cid Twin-Turbo LS ByGreg Jones on Apr 28, 2020 Close Video Watch Video Distraction Free Find out the details of this twin-turbo 370 cid LS engine built by Stefan Rossi of ACE Performance Engines in Torrance, CA. Advertisement In this episode of Engine of the Week sponsored by PennGrade Motor Oil and Elring – Das Original, we give you the details of a twin-turbo 370 cid LS engine built by Stefan Rossi of ACE Performance Engines in Torrance, CA.AdvertisementClick Here to Read MoreAdvertisement Advertisement In this article:Elring, Engine of the Week, LS Engines, PennGrade Motor Oil, Turbocharged Video: Intellectual Horsepower – Ep. 2 Video: 8 Things Your Diesel Oil is Telling You Video: The Science of Speed in Motorcycle Drag Racing Video: How to Split Motorcycle Engine Cases Advertisement VIDEOS Watch Engine Builder's latest discussions and explanations. SHOP Shop the latest Engine Builder merchandise. SUBSCRIBE Stay up to date by signing up for the Engine Builder newsletter.