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#1 (permalink) |
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Moderator
Join Date: Sep 2006
Location: Medford, Oregon
Posts: 2,261
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Need Help With Posi Carrier Identification
Trying to organize the garage led me to pulling the guts out of what I thought was a 1973-77 Chebby mid-size rear end then scrapping the rest. I was expecting the corporate 8.5 unit but what I found has different casting numbers on it than what I expected. Does anybody recognize the numbers on this and know if I can install this in a 1972 Cutlass housing?
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1964 Cutlass Factory 4spd 1965 442 4spd 1967 442 Auto 1967 Cutlass Convertible 1967 Cutlass four door daily driver 1968 442 Auto 1969 442 W30 Auto 1970 442 4spd 1971 Cutlass Flat Top Wagon 1973 Che*vy 3/4 Ton 454/TH400 Tow Vehicle Only the tow vehicle is finished! |
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#2 (permalink) |
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Trying to remember member
Join Date: Oct 2005
Location: Ohio
Posts: 1,470
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Jim at http://www.jdrace.com (monzaz here on CO)
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#3 (permalink) |
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Seasoned beater pilot.
Join Date: Jan 2007
Location: Chicago
Posts: 2,698
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It's an 8.5"
2.73-5.57 ratios. Casting number for the bolt in axle is 725 and the c-clip casting number is 410408
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#4 (permalink) |
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Moderator
Join Date: Sep 2006
Location: Medford, Oregon
Posts: 2,261
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Thank you for your help guys! I was expecting the 410408 but am glad that it will still work.
John
__________________
1964 Cutlass Factory 4spd 1965 442 4spd 1967 442 Auto 1967 Cutlass Convertible 1967 Cutlass four door daily driver 1968 442 Auto 1969 442 W30 Auto 1970 442 4spd 1971 Cutlass Flat Top Wagon 1973 Che*vy 3/4 Ton 454/TH400 Tow Vehicle Only the tow vehicle is finished! |
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