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What type of differential is fitted to the 2001 Holden Commodore?

Asked by Pete

What type of diff is fitted to the 2001 Holden Commodore VX2 Lumina V6? (M80?) I can't seem to find a definitive answer, thanks.

Answered by CarsGuide

16 Sep 2020 David Morley

The standard differential on this vehicle was a non-LSD (non-limited-slip) unit with a final-drive ratio of 3.08:1. Some owners changed the gears in the diff for more acceleration, although this was more commonly done in V8 models where owners were chasing performance at the expense of a little fuel economy.

If you’re in doubt, you can put the car on a hoist, mark a spot on the driveshaft and then turn the rear wheel a full revolution. By counting the number of times the driveshaft rotates during that process, you’ll know the ratio. In this case, one full rotation of the rear wheel should equal 3.08 rotations of the driveshaft.

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