J1349 Certified Power Engine Data for GM L20 as used in 2010
Full Size Van, Chevrolet Express/GMC Savana <10,000 lb. GVW w/
Base Exhaust System - Level 1
This product includes information on the manufacturer, engine, application, testing location, certified maximum horsepower, certified maximum torque along with the certified curves of horsepower and torque over a wide range of engine RPM speeds.