This engine is an LS3 418 inch built by Wegner Motorsports for West Bend Dyno Tuning’s house car (’81 Firebird). The engine features a Wegner accessory drive matched up with a 3300 Vortech Lysolm twin screw supercharger. The engine pumped out 933 HP and 938 torque on E85 with 16.5-17lbs of boost. The front drive was also designed to work with a Dailey billet dry sump system for road racing. Different pulleys are available to support a wide boost range depending on application.