1968 442 3.90 posi 12 bolt olds rear for sale - ClassicOldsmobile.com

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Old September 11th, 2007, 07:06 PM   #1
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Join Date: Jul 2006
Location: Richfield, Oh
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1968 442 3.90 posi 12 bolt olds rear for sale

I just picked up a 1968 Olds 442 12 bolt 'O' type Limited slip differential from Chicago. I Will be going through it this weekend to make sure it is in excellent shape.

The axle suffix stamp code is TO

The ratio is 11 43 which comes out to 3.90909090 or 3.91 rounded up.

They are fatory gears with number matching factory posi. This would be great for the guy wanting that Original rear for there American Built 442 car.

I will let you know after I have disassembled and cleaned it and checked the posi out. Just removing the cover it all looks to be in very excellent condition.

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Old September 16th, 2009, 08:22 AM   #2
Carisma Racing
Join Date: Aug 2009
Location: Coastal California
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Hi Jim:

I am interested in the Diff. Please call me on 831.818.2321

Thank you and Regards, Steve
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Old September 16th, 2009, 08:22 AM
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