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How do you identify Ford 8" & 9" rear ends?
- Both rear ends have removable differentials
- Both rear ends have five bolts holding the pinion bearing flange to the differential casting; two of the bolts are at the 9 o'clock & 11 o'clock positions
- On the 8" rear end, these bolts are 2 13/16" on centers
- On the 9", the bolts are 3 9/16" on centers
- Another way to identify the rear ends is by locating the bolt & nut at the bottom of the differential case. If the nut can be undone with a socket, the rear end is an 8". If the nut can only be undone using a wrench (because the socket won't fit onto the nut) the rear end is a 9"
Rear ends from V8 Mavericks are a good width for most Ford street rods.
The V8 Maverick rear end has 5 wheel studs on a 4 1/2" bolt circle.
From wheel mounting flange to flange, with the drums mounted, these rears measure 56 1/2".
Inside dimension, backing plate to backing plate is 48 7/8".
Spring pads are mounted at 42 7/8" center-to-center.
Bolt circle can be determined on 5 stud wheels/axles by measuring the center-to-center distance of studs one & three,
and adding 1/4".
Measurement
4 1/4"
4 1/4"
4 3/4"
5 1/4" |
Bolt Circle
4 1/2"
4 3/4"
5"
5 1/2" |
Application
Ford
GM
Early B-O-P
1948-1948 Ford
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