Thread: Diff gears swap.
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Old 07-28-2012, 07:35 AM
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Join Date: Feb 2002
Location: Alice Springs, central Australia, NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
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Jaydee, with the 3.45:1 AU LSD centre, and the 6 speed gearbox behind the LS1, I am pulling 130kph at 1300rpm, great for fuel economy (and I should know having driven mine from Alice Springs to Cairns and back), but really not a great setup.
The 3.9:1 will give me a better ratio for drag racing, but still give me a decent ratio for when in 6th gear driving long distances.
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