Quote:
Originally Posted by PANAVIA
9"s are reallly --heavy --
--if you can get a 31 splined 8.8 with 5 lug , that would be the ticket.
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I'm probably wrong, but here's some numbers I found. I would think some extra weight in the rear area would be a good thing.
FORD REAR END WEIGHT COMPARISON 8" vs. 9"
8-inch Rear End Assembly Weight : 170 lbs.
1. Housing: 36 lbs.
2. Axles: Medium Journal, 28-spline -15 lbs. ea.
3. Brakes: Small 10" x 1¾" Drum Assemblies - 22 lbs. ea.
4. 3rd Member: Reinforced Revision 8-inch Case - 60 lbs.
9-inch Rear End Assembly Weight: 194 lbs.
1. Housing: 38 lbs.
2. Axles: Large Journal, 28-spline - 18 Lbs. ea.
3. Brakes: Massive 11-1/32 x 2½" Drum Assemblies - 26 lbs. ea.
4. 3rd Member: Conventional Diff. - 68 lbs.
a. w/Traction-Lok Diff. - 71 lbs.