Rear axle ratios in 57-72 F-100 trucks
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I had a '62 TBird that was like DAS54's, it would spin the one tire (RR I recall) without any provocation. It got stuck on flat level ground with an inch of snow once. It was because the opposite side rear brake was dragging, due to the e-brake cable being frozen up. Made all the difference in the world to fix the brakes.
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If I had the components you have in hand and found a complete rear but a peg leg, I'd use it. For driving on the street I don't think the expense of buying out weighs the benefits.
72 was the last year of the f-100 rear that was a straight swap. Broaden your search in the years from 64-72 and you will find what you want with posi.
A way to identify 28 spline from 31 spline is in the center of the hub plate on the axle there is a oval indention, on the 31 there are two round indentions
Find old farm trucks the farmers loved the posi to help pull the loads
Last edited by gerrymoe; 10-02-2014 at 02:31 PM. Reason: additional
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