In some other brand rear ends you can not use anything other than a straight 80 or 90 weight oil as the detergents/additives will dissolve some of the softer metals inside.
Question is: what is recommended or best for 1955 buick rear ends?
Last edited by restoroddin; 10-02-2007 at 09:31 AM.
Jason
Weird is relative and my relatives are weird!
I use 90wt in my '53 special.
I got soul n im supa badd!
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