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Old 03-20-2014, 08:27 AM   #14
J and M Machine
Senior Member
 
Join Date: Oct 2010
Location: 40 Mt.Vickery Rd. Southborough,MA 508-460-0733
Posts: 373
Default Re: What oil on fresh rebuild?

Quote:
Originally Posted by captain j View Post
Builder said to use whatever weight I prefer as long as it's a non detergent oil. He said that it's not good for the Babbitt it could seperate it from the block or cause it to flake. Ill prob go with a 10-40 weight non detergent.

Now I read in other posts that a lot you you guys use detergent oils????
What century is your rebuilder living in?
Clearly detergent oil doesn't harm babbitt or every one of our engines would be in the do over position and we'd be out of business for recommending it at break in and throughout the life cycle of the engines.

Bad information from the rebuilder. That's a warning sign that the babbitt will separate from the block and flake.??
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