Re: Break in oil

Posted by mike m. on March 02, 2003 at 09:03:07 from (66.119.34.39):

In Reply to: Break in oil posted by stan on March 01, 2003 at 22:58:04:

Stan, let me throw in my two cents worth. first, here in e. texas they are dollar stores "family dollar" and "general dollar" that have non-detergent 30 wt. oil at 75 cents a quart. I suspect every section of the country has these type stores. Next, I used to work with a mechanic that was quite a bit older than me and he had a lot of experience overhauling engines.To keep this short as possible, I would use the non-detergent to break it. But use your head, don't try it if its below 35 degrees or so because it will not flow. Keep an eye on your pressure guage.Let it warm up a little and then let the hammer down, don't dog it to death and don't baby it either. This will seat the rings. You will hear different from different people and even ring manufacture's web sites but I know from experience, hard earned experience,that this is the way to go.About the only time I could think of that this advice could get you in trouble is on modern engines that use computer controls that when first started they rev up very high at first. This is why the 5w oils are used so much now. They will get to the rod bearings quick enough to prevent damage.They may be some more reasons on modern engines I am not aware of, so I cannot reccomend this for them. I have heard, and there is a lot of controversy on this also that the moly rings are both hard and soft. So what this means is that it is soft so it will seat to uneven surface (which they all are to one degee or another) but hard to resist abrasive wear. I cannot find on the web anything about this, it was something I read years ago somewhere. I am going to assume it is true because I am going to try to locate some moly rings for my 8N because it is smoking like a freight train.I think I will post that question on the 8N web site.

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