Quote:
Originally Posted by SCOTI
As mentioned, the 'transition' year was 70. Some housings were the shorter 63-69 housing; others were wider like 71-87 housings. If you have one of the wider 70 housings w/6-lug axles, you can swap the later 5-lug axles. From what I understand, these a few & far between w/the majority being the narrower housings when 6-lug. The wider housings measure approx 9" from the back-side of the backing plate flange to the center-line of the truck-arm perch on the housing (as measured from the center of the axle tube @ the 12:00 position).
Otherwise (and the better choice) there's aftermarket. New, stronger axles w/zero bearing or torsional wear.
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I just measured the rear end.
It is 56 1/2" from backing plate to backing plate, 7 1/2" from flange to perch at 9 o'clock position, 9" at the 3 o'clock position and 8 1/4" at the 12 o'clock position.
Shorter housing or wider?
Greg