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Old 11-24-2002, 09:55 AM
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Post Ford 7.5 vs 8.8 rearend ID

Can anyone out there help me decode a '78 Ford rearend tag? I need to know if this is a 7.5 or 8.8 rear. It came from a 302 Mercury Monarch. I believe it is an open carrier w/2.47 gears. The tag reads:

WER-AC 7HE
2 4 7 8 7 5 7 6 A

If this means anything to you, please translate for me. Thanks.

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Old 11-24-2002, 11:53 AM
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1977/78 Granada

2.47 Open

8.7" RG (Same as 8.8")

28 Spline Axle
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Old 11-24-2002, 11:53 PM
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Thanks, I thought that was how the bottom line read, but I had never heard of an 8.7" axle. It looked too big to be a 7.5, but I didn't think Ford used the 8.8 in passenger cars until the 80's. Do the parts all interchange with the 8.8?
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Old 11-25-2002, 03:43 AM
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It appears that many parts do not interchange. It is the same basic design but was upgraded when the FOX bodies began coming through.

I believe I was thinking of the '79 FORD 8.5" when I typed same thing. Sorry about the mistake.
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