Delco batteries; Y77 vs Y89 - The Supercar Registry

06-01-2008, 07:15 PM

Mr70

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Re: Delco batteries; Y77 vs Y89

I think the the Y77 assembly line installed vehicles used the Y87 as their later service replacement.Then the 5/16" negative terminal cable had to be updated by the installing mechanic,which was the same scenario for the R79 being replaced with the R89 series.
The VERY short lived safety feature of a 5/16" negative terminal design proved to be more of a nuisance then previously thought.

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