History
This GU had the ultimate upgrade in Feburary 2014.
The old 2.8 remove and a DuraMax 6.6 liter LMM engine with a Allison 6 speed gearbox added.
Conversion was completed by PID Diesel Engineering on the Sun Shine Coast.
The gives the old truck nearly 500 hp at the rear wheels. And it can push this hp 24 hours a day 7 days a week.
