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Post Info TOPIC: 12 BOLT SERIES 4 POSI 4.10 ratio


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12 BOLT SERIES 4 POSI 4.10 ratio


IMG_0971.JPGIMG_0961.JPGIMG_0951 (1).JPGIMG_0951 (1).JPGIMG_0901.JPGIMG_0954.JPGIMG_0958.JPGIMG_0963.JPGIMG_0964.JPG



-- Edited by flatop on Saturday 19th of August 2023 01:43:21 PM



-- Edited by flatop on Saturday 19th of August 2023 02:20:37 PM



-- Edited by flatop on Saturday 19th of August 2023 02:22:33 PM



-- Edited by flatop on Saturday 19th of August 2023 02:42:06 PM

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Addicted!

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12 BOLT SERIES 4 POSI


Sorry about the pics , just removed from a 65 parisienne but curios to know its original application if possible. If im reading that casting number correctly its 3894860 but that comes up as camaro?? Most info is all for chevelles and camaros , Thanks Percy

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Poncho Master!

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RE: 12 BOLT SERIES 4 POSI 4.10 ratio


This is the data for your axle housing from what you posted
EP is 2:73 open (non posi)
0602 - June 2
K - GM Canada



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Thanks,does anything dictate the year?

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Its a 65 from the vin.P/owner installed 66 grand parisienne tailights and front clip and dash plaque. Im guessing maybe the 12 bolt came out of that car too,im guessing this was a 283 car and know from reading on here it could have had a 12 bolt also,

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Poncho Master!

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flatop wrote:

Thanks,does anything dictate the year?


 It is full size Chevrolet or Canadian Pontiac. The date code is cast in the center section. Will start with a letter code (month), one or two numbers (day of month) one number (last digit of the year) 

this link should help you. https://impalas.org/drivetrain/

 



-- Edited by SD 396 on Saturday 19th of August 2023 06:54:42 PM

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