Harrop Truetrac Install 10 Bolt Salisbury Upgrade - Dyno day for the Mighty 308 Project Car 287rwhp

Installing the Harrop truetrac into the Holden 10 bolt salisbury diff to tuffen it up to handle more grunt and dyno day for the 308. The 308 punched out a solid 287rwhp through the th400. @HarropTV https://www.harrop.com.au/truetrac-ho...