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W27 diff cover

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Old August 10th, 2017, 05:34 PM
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W27 diff cover

Found this under my72 cutlass. Is there anyway i can determine whether this is original or aftermarket?
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Old August 10th, 2017, 05:49 PM
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I don't think there were any "original" 10 bolt W-27 rears.
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Old August 10th, 2017, 05:53 PM
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Originally Posted by Fun71
I don't think there were any "original" 10 bolt W-27 rears.
Cool. I was just curious , i hadn't ever seen one till I climbed under my car
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Old August 10th, 2017, 05:54 PM
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In 71 the W-27 option was a 10 bolt aluminum cover on an 8.5 10 bolt iron housing..

The one in the picture is a repop.
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Old August 10th, 2017, 06:07 PM
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Originally Posted by jensenracing77
In 71 the W-27 option was a 10 bolt aluminum cover on an 8.5 10 bolt iron housing..

The one in the picture is a repop.
How can You tell? Just curious
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Old August 11th, 2017, 06:13 AM
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Originally Posted by jensenracing77
In 71 the W-27 option was a 10 bolt aluminum cover on an 8.5 10 bolt iron housing..
RPO W-27, in fact. A $26.33 option. Also available from the parts department.

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