The Haltech Horsepower Heroes competition saw new records established. On January 10, Dan Szabolics' HQ Holden broke its own record, reaching 3786hp.This occurred during an impromptu 3000hp shootout, which also featured Adam Rogash's Mk1 Capri, achieving a personal best of 3616hp, and Darren Portelli's HQ sedan, which performed multiple runs in the 3500hp range. Rogash's Capri is not part of the competition finals.The previous day, January 9, Daniel Szabolics' Monaro set a record of 3682hp during qualifying. This surpassed the record previously held by fellow Dandy Engines customer Darren Portelli's HQ sedan, which had achieved 3513hp.Frank Marchese of Dandy Engines, the engine builder, commented on the anticipation and pressure of tuning in front of a crowd, particularly with two customers vying for a spot.Concerns were raised regarding the 3000hp Mainline hub dyno, which may be reaching its operational limit. Issues were observed where the dyno appeared to grab the engine and stop it, indicating a potential 'out of dyno' situation.Daniel's Monaro and Darren Portelli's sedan are scheduled to compete in the finals to determine the Summernats 38 Haltech Horsepower Hero.