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Sierra Diff 3.92 or 4.10


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You should be able to pick up a 3.92 LSD easy enough as the best compromise, and see if you can feel the difference.

Otherwise maybe look at wheels&tyres to alter the gearing that way. Looks like you've 15's in the pic, so 13s maybe shorten things for you and improve acceleration.

Download the quaife gear calculator, and start doing some sums, and see how it looks.

What gearbox and ratios have you got? A 3.9 with a BGH could be money better spent than a 4.1/4.44 with std ratios.

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