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rear end decoding

933 Views 4 Replies 3 Participants Last post by  NovaResource
hello i bought a rear end i was trying to figure out exactly what it is the hopefully someone can help me out the numbers are JAG1784
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decode my reae end

the rear looks like the 8.5. where can i locate the casting numbers? i have another quesstion .i bought a rear end off of ebay had it put in but it seems to be holding back when i drive it as i approach a stop sign i can hear the tires scrathing a little also with both wheels in the air i try to spin the wheels but they are very hard to turn.what could be the prolem with that? anwers are appreciated
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