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08-02-2025, 07:45 PM
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Registered User
 
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,257
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Re: 1984 Chevrolet truck rear axle identification
That code doesn't show up for 1984 trucks, according to the GM parts catalog. RUB was used from 1978-80, 2.73 ratio axles. You could pull the cover and check the date stamped in the ring gear and also verify the ratio at the same time.
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