Posted by dave horvath [12.130.9.139] on Wednesday, February 16, 2011 at 08:41:21 :
In Reply to: Re: Anyone here adding zinc to their oil? posted by MoparNorm [71.110.251.13] on Tuesday, February 15, 2011 at 22:32:07 :
My engine rebuilder sold me a bunch of green oil for break-in period when he rebuilt my 251. I imagine it has zinc.