Thread: 1960 gmc rear end type?
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Old July 30th, 2021, 12:41 AM
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Default Re: 1960 gmc rear end type?
Hi ZDADDY;

from what I have read, you have an Eaton HO32 differential that most commonly had the 3:90 ratio but also rarely came with 3:38's
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1961 GMC Suburban 305A Overdrive
1962 GMC Utility 305D
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