Re: sae 90 mineral oil

Posted by Owen_Dyneto On 2009/5/23 13:19:53

I agree! I use it for transmissions, overdrives and rear axles for all Packards from the onset of the hypoid rear axle. I especially like it for manual transmissions from 1932 and up; the extra viscosity helps retard gear spin and gives the synchronizers an easier time.