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1978 Chevy Blazer Rear Dana 70 Axle

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The spider gears are welded in the rear Dana 70 axle, also from an ’83 Chevy 3500 dualie, and like the front axle it has 4.56 gears. It’s fed by a homemade driveshaft with 1350 U-joints. A pair of 6-inch-lift leaf springs with 4-inch lift blocks suspend the rear of the truck and a pair of Tuff Country shocks keep things under control.