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#1 |
Senior Member
![]() Join Date: Mar 2001
Location: From Kansas now in Palmer, Alaska
Posts: 807
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GM part number on NOS posi??
I was wondering if anyone has the part number for a 3:73 posi carrier for a 72 12 bolt rear end. I came across a NOS posi unit and want to see if it is really for 3:73 as it was advertised. Thanks for your help.
john
__________________
63 Buick Wildcat 425 72 Chevy Blazer CST 72 Chevy C10 Cheyenne 00 Ford F-350 Super Duty 7.3L 09 Dodge Challenger SRT-8 10 Ford Expedition Limited |
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#2 |
Senior Member
Join Date: Apr 2001
Location: Amazonia, Mo. USA
Posts: 2,821
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I have the GM parts book here. Trying to figure it out for you.
Gear set for 63-72 Ser. 10(4wd)(2ser.)(3:73)3831912 Housing 72 Ser. 10 (4wd)blazer (K) 6272169 72 Ser. 10 Blazer (C) 6272170 Case 71-72 Ser. 10 blazer w/P trac. (3:73)(4:11) 393 8932 This make any sense?
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72 3/4 4x4 350 4spd 72 3/4 4x4 350 auto 2004 Duramax Silverado 4x4 2006 Duramax Crew cab 4x4 2010 Harley Ultra Limited 2011 Harley Street Glide |
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#3 |
Senior Member
![]() Join Date: Mar 2001
Location: From Kansas now in Palmer, Alaska
Posts: 807
|
gm number`
the number that I have is 3996153 anyone know what it is? I guess he said he bought it for his 73 gmc jimmy with a 3:73 gear ratio, but never installed it.
john
__________________
63 Buick Wildcat 425 72 Chevy Blazer CST 72 Chevy C10 Cheyenne 00 Ford F-350 Super Duty 7.3L 09 Dodge Challenger SRT-8 10 Ford Expedition Limited |
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