Holden Colorado Z71 LS3 Conversion

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To kick-start the project Tony teamed up with Steve from Killa Kustom Kables & Conversions and set to work. As nothing like this had ever been done before, Tony purchased a statutory write-off RG Colorado that’d allow Steve to slice his way through sheetmetal and the electrical system to see if the conversion was even viable. Physically getting it in the engine bay was the easy part.
With no commercially available adaptors and nothing but blank stares when the topic of electrical integration came up, the pair had their work cut out for them. After countless hours spent on the project, and more than a little electrical wizardry, the write-off was powered up and Tony was on the hunt for a suitable replacement that would be a little more fitting of what the team had in mind.
The heart of the beast is a General Motors LS3 V8 engine. A 6.2-litre, 400hp+ lump normally found in high-end HSV performance cars – although, it has seen service in Corvettes and Camaros.
With around 580Nm available the torque is comparable to the twin-turbo V8 diesel found in 200 Series Land Cruisers, making it the perfect choice for the substantially lighter Colorado.
It’s backed by a 6L80E, a fully electronic six-speed automatic transmission that’s seen duties in everything from Cadillac CTS-Vs through to H2 Hummers and 2500HD Silverados, so it’s more than up to the task of serious off-roading or towing.
The combination feeds power through a secret squirrel adaptor with custom engine mounts, before the standard Colorado transfer case sends drive to front and rear diffs. This isn’t exactly a backyard engine conversion."
https://www.4x4australia.com.au/revi...ine-transplant