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Old 01-25-2019, 12:40 PM   #1
Jeff1971
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SPID Question

If your SPID does not say the axel ratio, is there a default?

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The PO said he thought it was 3.73 but I'd like to know the original config.

Thanks

Jeff
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Old 01-25-2019, 02:32 PM   #2
Keith Seymore
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Re: SPID Question

3.07:1.

K

https://www.gmheritagecenter.com/doc..._Full-Size.pdf
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Old 01-25-2019, 03:05 PM   #3
Jeff1971
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Re: SPID Question

Thanks Keith. Confirmation is good! Thanks
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Old 01-26-2019, 08:36 AM   #4
rsavage
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Re: SPID Question

If your dana 44 front differential still has its tag (bolted under one of the cover bolts) it will tell you the ratio. Obviously, the rear corporate axle would be the same.
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