1967 W30 442 rear end

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Dec 25, 2023 | 07:09 PM

#41

66-3X2 442

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Joined: Jul 2009

Posts: 5,193

From: Birmingham,Alabama

Oldsmobile used 2 letter codes on the axle stampings. Is that a 10 bolt cover or 12?.

Dec 25, 2023 | 08:58 PM

#42

aqua67w30

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Joined: Jan 2015

Posts: 140

From: Oh

My invoice sheet shows my W30 car [build date 03B] was delivered with M21, G94 3:90 rear and G80 anti spin. That rear is long gone.

Last edited by aqua67w30; Dec 26, 2023 at 07:30 AM.

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