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Re: M - losing oil rapidly, but where?
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Posted by george md on September 03, 2004 at 22:06:46 from (65.216.222.118):
In Reply to: Re: M - losing oil rapidly, but where? posted by TheRealRon on September 03, 2004 at 06:50:26:
Ron, I noticed that you think that a comp test or a leak down test will reveal all. Those tests will not -repeat will not - tell you the condition of the oil control rings , those tests will give you a good indication of the condition of the comp rings . Example- in the last ten years I have had 4 jobs come in the shop , all diesel, with very good comp but using large quantities of oil. 2 were IH industrial ,they got up to 3 quarts/hr, 1 was cont 2 qts/hr and 1 was 6.9 in ford pickup , 5 qts/225 miles.Remember all with good comp. The 2 IH and the cont all had 2 oil rings, upper one was 3 piece and had a scraper ring below the pin bore. Those were engineering problem,cannot use 3 piece ring above scraper ring , use one piece cast oil ring above or use 3 piece without scraper ring. The 6.9 had the rails of the oil ring wedged between the expander and the side of the ring groove so that it could not touch the cyl wall. Have also the other extreme that had more vapor coming out of the crankcase vent than out of the exaust pipe and had very low comp but use almost no oil . The last time we had a discussion you posted some smart alec responses and signed buick and deeres handle to them , don"t think you should do it again . The madam pulled those posts and because of them and the complaints filed with them , I think is why she put password protection on the names . I have some other bones to pick , but I will wait untill the time is ripe for them . have a good day . george
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