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November 12th, 2007, 07:10 PM
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#1 (permalink) |
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Junior Member
Join Date: Nov 2007
Posts: 22
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how do i decode my rear end??!!
Hi everyone,
hopefully someone can help me decode my diff. I have a 72 cutlass and I have some numbers and letters that i got from the diff. Can anyone tell me how to decode them? J-159 1385724-F 123487890 (on driver side) |
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November 15th, 2007, 10:38 PM
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#2 (permalink) |
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Registered User
Join Date: Jul 2006
Location: Richfield, Oh
Posts: 204
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decoding
You need the axle tube suffix to tell you what is in the rear diff and where it was built and the date it was built. It is usually found on the passenger axle tube facing the front of the car parallel with the ground it will have a couple of letters or a letter and a number then a space then some more numbers and maybe another letter. use a wire wheel or sand paper etc. Take a look and get us those letters and numbers and will figure it out for you. Jim
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November 15th, 2007, 10:51 PM
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#3 (permalink) |
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Registered User
Join Date: Jul 2006
Location: Richfield, Oh
Posts: 204
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number you gave
The 1234567890 are test number (example stampings to compare to) they mean nothing.
1385724-F Is most likely the casting number which will tell you it is a 10 bolt 8.5 cutlas rear if it is original. I am not that great with the casting numbers. If you have a picture I know the gm rears by physical casting identification (sight) J-159 this could be a date code of when the housing was cast J = 10th month Oct. 15 th day and 9 is 1969 ...But that usually is chevy stuff. Jim |
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May 30th, 2008, 08:43 PM
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#4 (permalink) |
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Junior Member
Join Date: Jan 2008
Location: OKC
Posts: 8
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I don't want to hijack the thread, but I need help with this also. I have a 1958 Chevy Apache sitting on what I am told is a Delta 88. I am unsure of this due to the fact that engine was a SBO 350 1973-1974. Is there anyway I can ID the model and year of this car.
I looked on the rear end and I made out ACO 311. Any help would be much appreciated. Thanks |
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I'd rather have a numbers matching poker hand.
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