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|    AUTOMOTIVE    |    Anything to do with cars    |    2,177 messages    |
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|    Message 912 of 2,177    |
|    Mark Hofmann to Roy Witt    |
|    Re: Odd rumble in Durango solved.    |
|    18 Apr 12 10:59:02    |
      RW> No. One could make an attempt to fix that by removing said lifter, take       RW> it       RW> apart and clean it, maybe replace the spring. As long as there is engine       RW> valve spring pressure on that weak lifter, it will leak down and need to       RW> be pumped up by engine oil pressure before the valve tap goes away.              My original engine didn't have that cold engine tap - so I guess they used       different parts on the Jasper rebuild. Not a big deal, since this is really       minor and not causing a problem.              RW> You might want to re-think that. By going heavier with your oil, rather       RW> than lighter. The heavier the oil, the less likely the lifter will leak       RW> down. Give 10w-40 oil a try.              I'll give that a try. It isn't easy to find synthetic in 10w-40 - most are       lower.               My thinking was since it doesn't do the "cold engine tap" when it is warmer       outside, the oil is more lean and can be pumped up quicker when you start the       car.               - Mark              --- WWIVToss v.1.50         * Origin: http://www.weather-station.org * Bel Air, MD -USA (1:261/1304.0)    |
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