ls differential options
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The Ford Traction Lock is a good unit. Just be aware that Mustang 8.8 TL units won't fit a truck due to the axle spline difference. You may be able to get the whole axle assembly from a salvage yard and save the cost of getting the gears set up.
I have had in the past a couple of Chevelles with the 12 bolt eaton posi units and they worked great, very smooth until you need them.
I have had in the past a couple of Chevelles with the 12 bolt eaton posi units and they worked great, very smooth until you need them.