Thread: Rear Axle Ratio Charts For 1967 - 1972 GM Trucks
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Old 04-21-2021, 10:47 PM   #65
LockDoc
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Re: Rear Axle Ratio Charts For 1967 - 1972 GM Trucks
Quote:
Originally Posted by Romo912 View Post
My 67 gmc starts with a HA
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That would be the 3.73 ratio non-posi then.

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