Posted by Mike [173.245.48.138] on Friday, May 12, 2017 at 18:26:06 :
In Reply to: Re: OT Ariens rocket rototiller posted by Bob In Indy [172.68.58.140] on Thursday, May 11, 2017 at 10:19:31 :
It's the sulfur additive in high pressure lubes used for hypoid gears that eats the bronze.
Many gear oils say on the labels that they are safe for bronze and yellow metals.