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Re: Possible gas in oil
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Posted by Jeff King on April 10, 1999 at 19:09:28:
In Reply to: Possible gas in oil posted by David S. on April 10, 1999 at 18:34:19:
Need to check your operating temperature. Cooling system temperatures need to reach at least 160 degrees, preferably 180 degrees, in order to evaporate off unburnt fuel that gets past the rings. If not, it will dilute the crankcase oil and cause exactly what you have noticed. Personally I would not trust a 30W ND oil in any engine I valued, but that is a personal decision. Recommend a diesel rated 15w-40 and frequent changes of oil filter instead. The newer oils rated SH/SJ offer superior bearing protection, which could just make the difference after being contaminated with a little unburnt gasoline. Jeff
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